State Forecast for Kalispell , MT
Change Zip Code: 
 
621
FPUS56 KMTR 181302
ZFPMTR
San Francisco Bay Area/Central California Zone Forecast
National Weather Service San Francisco Bay Area
602 AM PDT Mon May 18 2026
This is an automatically generated product that provides average
values for large geographic areas. For a more site specific
forecast...please refer to the point and click forecast on our
webpage at:
https://www.weather.gov/mtr
CAZ505-190400-
Coastal North Bay...Including Point Reyes National Seashore-
602 AM PDT Mon May 18 2026
...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM PDT THIS
MORNING...
.TODAY...Sunny. Highs in the 70s to lower 80s. Northwest winds
10 to 20 mph.
.TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
Northwest winds 10 to 20 mph...becoming north 5 to 10 mph after
midnight.
.TUESDAY...Sunny. Highs in the upper 60s to lower 80s. Light
winds...becoming northwest 5 to 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
Northwest winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy in the morning then becoming sunny.
Highs in the mid 60s to upper 70s. Light winds...becoming west
around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Patchy fog. Lows near 50.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the 60s to
mid 70s. Lows in the upper 40s.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog. Lows in the upper 40s.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the upper 50s to mid 60s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows in the upper 40s.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower to mid 60s.
&&
TEMPERATURE/PRECIPITATION
Point Reyes795179/
$$
CAZ503-190400-
Sonoma Coastal Range-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
10 mph in the evening...becoming light.
.TUESDAY...Sunny. Highs in the upper 80s. Light winds...becoming
northwest around 5 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows around 60. Northwest winds
around 5 mph in the evening...becoming light.
.WEDNESDAY...Sunny. Highs in the upper 80s. Light winds...
becoming southwest around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the upper
80s. Lows in the mid 50s.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the mid 70s.
Lows in the lower 50s.
.SATURDAY...Partly cloudy in the morning then becoming sunny.
Highs in the lower 70s.
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs
in the mid 70s.
$$
CAZ502-190400-
Marin Coastal Range-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the lower 80s. North winds 10 to 20 mph.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
15 mph.
.TUESDAY...Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s to mid 80s. Light
winds...becoming southwest around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 70s
to lower 80s. Lows in the lower 50s.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the mid 60s to
lower 70s. Lows in the lower 50s.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the mid 60s.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the lower
50s. Highs in the upper 60s.
$$
CAZ506-190400-
North Bay Interior Valleys-
602 AM PDT Mon May 18 2026
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 3 AM PDT TUESDAY...
.TODAY...Sunny, breezy. Highs in the mid 70s to upper 80s. North
winds 20 to 30 mph decreasing to 10 to 20 mph in the afternoon.
.TONIGHT...Clear. Lows in the 50s to lower 60s. Northwest winds
5 to 10 mph. Gusts up to 25 mph in the evening.
.TUESDAY...Sunny. Highs in the upper 70s to lower 90s. North
winds 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s to mid 60s.
West winds 10 to 15 mph...becoming northwest up to 5 mph after
midnight.
.WEDNESDAY...Sunny. Highs in the upper 70s to lower 90s. Light
winds...becoming southwest 5 to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid
60s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 70s
to lower 90s. Lows in the upper 40s to lower 60s.
.FRIDAY...Partly cloudy in the morning then becoming sunny. Highs
in the lower 70s to mid 80s.
.FRIDAY NIGHT...Clear in the evening then becoming partly cloudy.
Patchy fog. Lows in the upper 40s to mid 50s.
.SATURDAY...Mostly cloudy in the morning then becoming sunny.
Highs in the mid 60s to lower 80s.
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Patchy fog. Lows in the upper 40s to mid 50s.
.SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs
in the upper 60s to lower 80s.
&&
TEMPERATURE/PRECIPITATION
Santa Rosa895293/
San Rafael865590/
Napa835688/
$$
CAZ504-190400-
North Bay Interior Mountains-
602 AM PDT Mon May 18 2026
...WIND ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...
.TODAY...Sunny, breezy. Highs in the mid 70s to lower 80s. North
winds 20 to 30 mph decreasing to 10 to 20 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s to mid 60s. North winds
5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 70s to mid 80s. North winds
5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the 50s to upper 60s.
Northwest winds 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the 70s to upper 80s. Light winds...
becoming south 5 to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows in the upper 50s to mid 60s.
.THURSDAY AND THURSDAY NIGHT...Clear. Highs in the upper 70s to
lower 90s. Lows in the mid 50s to lower 60s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the upper 60s to
lower 80s. Lows in the 50s.
&&
TEMPERATURE/PRECIPITATION
Lake Berryessa815886/
$$
CAZ006-190400-
San Francisco-
602 AM PDT Mon May 18 2026
...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM PDT THIS
MORNING...
.TODAY...Sunny. Highs in the upper 60s to mid 80s. North winds
10 to 20 mph.
.TONIGHT...Mostly clear. Lows in the mid 50s. West winds 10 to
20 mph...becoming 5 to 10 mph after midnight.
.TUESDAY...Sunny. Highs in the upper 60s to mid 80s. Light
winds...becoming west 5 to 15 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower to mid 50s. West
winds 5 to 15 mph.
.WEDNESDAY...Partly cloudy in the morning then becoming sunny.
Highs in the mid 60s to upper 70s. Southwest winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the lower to mid 50s.
.THURSDAY THROUGH FRIDAY NIGHT...Partly cloudy. Highs in the
lower 60s to mid 70s. Lows in the lower 50s.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the 50s to upper 60s.
.SATURDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the 60s.
&&
TEMPERATURE/PRECIPITATION
San Francisco835383/
Ocean Beach795378/
$$
CAZ509-190400-
San Francisco Peninsula Coast-
602 AM PDT Mon May 18 2026
...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM PDT THIS
MORNING...
.TODAY...Sunny. Highs in the mid 70s. North winds 10 to 20 mph.
.TONIGHT...Mostly clear. Lows around 50. Northwest winds 5 to
15 mph.
.TUESDAY...Sunny. Highs in the upper 70s. Light winds...becoming
northwest 5 to 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows around 50. Northwest winds
5 to 10 mph.
.WEDNESDAY...Partly cloudy in the morning then becoming sunny.
Highs in the lower 70s. Light winds...becoming west 5 to 10 mph
in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs in the upper
60s. Lows in the upper 40s.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog. Lows around 50.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower 60s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows around 50.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs in the lower 60s.
$$
CAZ508-190400-
San Francisco Bay Shoreline-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the upper 70s to mid 80s. North winds
10 to 20 mph.
.TONIGHT...Clear. Lows in the mid 50s. West winds 10 to 20 mph...
becoming northwest 5 to 10 mph after midnight.
.TUESDAY...Sunny. Highs in the 80s to lower 90s. Light winds...
becoming northwest 5 to 15 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the mid 50s. West winds 10 to
20 mph...becoming southwest up to 5 mph after midnight.
.WEDNESDAY...Sunny. Highs in the 70s to upper 80s. Light winds...
becoming west 5 to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the 70s to
mid 80s. Lows in the mid 50s.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the 70s to
lower 80s. Lows in the mid 50s.
.SATURDAY...Mostly cloudy in the morning then becoming sunny.
Highs in the upper 60s to mid 70s.
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs
in the upper 60s to mid 70s.
&&
TEMPERATURE/PRECIPITATION
SFO Airport795381/
Oakland845686/
Fremont825486/
Redwood City835388/
Mountain View785482/
$$
CAZ510-190400-
East Bay Interior Valleys-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the mid 80s. North winds 10 to 20 mph.
Gusts up to 35 mph in the morning.
.TONIGHT...Clear. Lows in the 50s. West winds 5 to 15 mph
decreasing to up to 5 mph after midnight.
.TUESDAY...Sunny. Highs in the lower 90s. North winds 5 to
10 mph.
.TUESDAY NIGHT...Clear. Lows in the upper 50s. West winds 5 to
15 mph...becoming southwest up to 5 mph after midnight.
.WEDNESDAY...Sunny. Highs in the lower 90s. Light winds...
becoming northwest 5 to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows in the upper 50s.
.THURSDAY...Sunny. Highs in the lower to mid 90s.
.THURSDAY NIGHT...Clear. Lows in the 50s.
.FRIDAY...Sunny. Highs in the 80s to lower 90s.
.FRIDAY NIGHT...Clear. Lows in the mid 50s.
.SATURDAY...Partly cloudy in the morning then becoming sunny.
Highs in the upper 70s to mid 80s.
.SATURDAY NIGHT...Clear. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
in the upper 70s to mid 80s.
&&
TEMPERATURE/PRECIPITATION
Concord875593/
Livermore855290/
$$
CAZ513-190400-
Santa Clara Valley...including San Jose-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the lower 80s. Northwest winds 10 to
20 mph.
.TONIGHT...Clear. Lows in the lower 50s. Northwest winds 10 to
20 mph in the evening...becoming light.
.TUESDAY...Sunny. Highs in the upper 80s. Light winds...becoming
northwest 5 to 15 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
10 to 20 mph in the evening...becoming light.
.WEDNESDAY...Sunny. Highs near 90. Light winds...becoming west
5 to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s.
.THURSDAY...Sunny. Highs near 90.
.THURSDAY NIGHT...Clear. Lows in the mid 50s.
.FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs in the 70s
to upper 80s. Lows in the lower 50s.
.SUNDAY...Partly cloudy in the morning then becoming sunny. Highs
near 80.
&&
TEMPERATURE/PRECIPITATION
San Jose825486/
Morgan Hill845189/
$$
CAZ512-190400-
Santa Cruz Mountains-
602 AM PDT Mon May 18 2026
...WIND ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...
.TODAY...Sunny, breezy. Highs in the 70s to lower 80s. North
winds 20 to 30 mph with gusts to around 45 mph decreasing to 5 to
15 mph in the afternoon.
.TONIGHT...Clear. Lows in the lower 50s. Northwest winds 10 to
15 mph in the evening...becoming light.
.TUESDAY...Sunny. Highs in the mid 70s to upper 80s. North winds
5 to 10 mph.
.TUESDAY NIGHT...Clear. Lows in the mid 50s to lower 60s.
Northwest winds 5 to 10 mph in the evening...becoming light.
.WEDNESDAY...Sunny. Highs in the 70s to mid 80s. Light winds...
becoming west around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the 70s to
mid 80s. Lows in the 50s.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs in the 60s to mid
70s. Lows in the lower 50s.
.SATURDAY...Mostly cloudy in the morning then becoming sunny.
Highs in the 60s to lower 70s.
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs
in the 60s to lower 70s.
$$
CAZ515-190400-
East Bay Hills-
602 AM PDT Mon May 18 2026
...WIND ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...
.TODAY...Sunny, breezy. Highs in the lower 80s. North winds 20 to
30 mph with gusts to around 50 mph decreasing to 10 to 20 mph
with gusts to around 35 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.TUESDAY...Sunny. Highs in the upper 80s. North winds 5 to
10 mph.
.TUESDAY NIGHT...Clear. Lows in the lower 60s. West winds 5 to
10 mph.
.WEDNESDAY...Sunny. Highs in the upper 80s. Southwest winds
around 5 mph...becoming northwest in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows in the lower 60s.
.THURSDAY...Sunny. Highs in the upper 80s.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Clear. Lows in the upper
50s. Highs in the lower 80s.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 70s.
Lows in the mid 50s.
$$
CAZ514-190400-
Eastern Santa Clara Hills-
602 AM PDT Mon May 18 2026
...WIND ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...
.TODAY...Sunny. Highs in the lower 70s. North winds 10 to 20 mph
with gusts to around 40 mph...becoming 5 to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows in the mid 40s to upper 50s. Northwest
winds 5 to 15 mph.
.TUESDAY...Sunny. Highs in the upper 70s. North winds 5 to
10 mph.
.TUESDAY NIGHT...Clear. Lows in the lower 50s to mid 60s.
Northwest winds 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the lower 80s. North winds around
5 mph...becoming northwest in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s to mid 60s.
.THURSDAY THROUGH FRIDAY NIGHT...Clear. Highs in the mid 80s.
Lows in the upper 40s to mid 50s.
.SATURDAY...Sunny. Highs in the upper 70s.
.SATURDAY NIGHT...Clear. Lows in the upper 40s.
.SUNDAY...Sunny. Highs in the mid 70s.
$$
CAZ529-190400-
Northern Monterey Bay-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the lower 80s. North winds 5 to 10 mph...
becoming west in the afternoon.
.TONIGHT...Mostly clear. Lows around 50. Northeast winds 5 to
10 mph in the evening...becoming light.
.TUESDAY...Sunny. Highs in the mid 80s. Light winds...becoming
west around 5 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds
around 5 mph in the evening...becoming light.
.WEDNESDAY...Sunny. Highs in the lower 80s. Light winds...
becoming west around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Lows in the lower 50s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the upper
70s. Lows around 50.
.FRIDAY...Partly cloudy in the morning then becoming sunny. Highs
in the lower 70s.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Patchy fog. Lows
around 50. Highs in the upper 60s.
&&
TEMPERATURE/PRECIPITATION
Santa Cruz825185/
$$
CAZ530-190400-
Southern Monterey Bay and Big Sur Coast-
602 AM PDT Mon May 18 2026
...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM PDT THIS
MORNING...
.TODAY...Sunny. Highs in the lower 70s. North winds around
5 mph...becoming west in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 50s. West winds 5 to
10 mph...becoming northeast after midnight.
.TUESDAY...Sunny. Highs in the mid 70s to lower 80s. Light
winds...becoming northwest 5 to 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds
around 5 mph in the evening...becoming light.
.WEDNESDAY...Sunny. Highs in the mid 70s to lower 80s. Light
winds...becoming west 5 to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the 70s.
Lows in the lower 50s.
.FRIDAY...Partly cloudy in the morning then becoming sunny. Highs
in the upper 60s.
.FRIDAY NIGHT...Mostly clear in the evening then becoming partly
cloudy. Patchy fog. Lows in the lower 50s.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs in the mid 60s.
Lows in the lower 50s.
&&
TEMPERATURE/PRECIPITATION
Monterey725076/
Big Sur725479/
$$
CAZ528-190400-
Northern Salinas Valley...Hollister Valley...and Carmel Valley-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the upper 70s. Light winds...becoming
west 5 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the lower 50s. West winds 5 to 10 mph
in the evening...becoming light.
.TUESDAY...Sunny. Highs in the 80s. Light winds...becoming
northwest 5 to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the mid 50s. West winds 5 to
10 mph in the evening...becoming light.
.WEDNESDAY...Sunny. Highs in the 80s. Light winds...becoming west
10 to 15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the upper
70s to mid 80s. Lows in the lower 50s.
.FRIDAY...Partly cloudy in the morning then becoming sunny. Highs
in the 70s to lower 80s.
.FRIDAY NIGHT...Clear in the evening then becoming partly cloudy.
Patchy fog. Lows in the lower 50s.
.SATURDAY...Mostly cloudy in the morning then becoming sunny.
Highs in the 60s to upper 70s.
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Patchy fog. Lows in the lower 50s.
.SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs
in the upper 60s to mid 70s.
&&
TEMPERATURE/PRECIPITATION
Salinas775083/
Carmel Valley775284/
Hollister815088/
$$
CAZ516-190400-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the lower 80s. North winds around
5 mph...becoming southwest 10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 40s. Northwest winds 10 to
15 mph decreasing to around 5 mph after midnight.
.TUESDAY...Sunny. Highs in the upper 80s. Light winds...becoming
west around 5 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the lower 90s. Light winds...
becoming southwest around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Sunny. Highs in the lower 90s.
.THURSDAY NIGHT...Clear. Lows in the lower 50s.
.FRIDAY...Sunny. Highs in the upper 80s.
.FRIDAY NIGHT...Clear. Areas of fog. Lows in the upper 40s.
.SATURDAY...Sunny. Highs in the mid 80s.
.SATURDAY NIGHT...Clear except patchy fog. Lows in the upper 40s.
.SUNDAY...Partly cloudy in the morning then becoming sunny.
Patchy fog. Highs in the lower 80s.
&&
TEMPERATURE/PRECIPITATION
King City804986/
$$
CAZ517-190400-
Santa Lucia Mountains and Los Padres National Forest-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the lower 60s to mid 70s. Northeast
winds 10 to 20 mph...becoming northwest 5 to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows in the upper 40s to mid 50s. Northwest
winds 5 to 15 mph.
.TUESDAY...Sunny. Highs in the upper 60s to lower 80s. North
winds 5 to 10 mph.
.TUESDAY NIGHT...Clear. Lows in the 50s to lower 60s. Northwest
winds 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the lower 70s to mid 80s. East winds
around 5 mph...becoming west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s.
.THURSDAY THROUGH FRIDAY...Clear. Highs in the 70s to 80s. Lows
in the 50s.
.FRIDAY NIGHT...Clear. Lows in the lower 50s.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the upper 60s
to lower 80s. Lows in the upper 40s.
$$
CAZ518-190400-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
602 AM PDT Mon May 18 2026
.TODAY...Sunny. Highs in the mid 60s to lower 80s. Northeast
winds 10 to 20 mph...becoming northwest 5 to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows in the 40s to mid 50s. Northwest winds
5 to 15 mph.
.TUESDAY...Sunny. Highs in the 70s to 80s. North winds 5 to
10 mph.
.TUESDAY NIGHT...Clear. Lows in the upper 40s to lower 60s.
Northwest winds 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the upper 70s to lower 90s. East
winds up to 5 mph...becoming west in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s.
.THURSDAY THROUGH FRIDAY NIGHT...Clear. Highs in the upper 70s to
mid 90s. Lows in the mid 40s to lower 60s.
.SATURDAY AND SATURDAY NIGHT...Clear. Highs in the lower 70s to
mid 80s. Lows in the mid 40s to lower 50s.
.SUNDAY...Sunny. Highs in the lower 70s to mid 80s.
&&
TEMPERATURE/PRECIPITATION
Pinnacles NP814888/
$$
Visit us at www.weather.gov/sanfrancisco
Follow us on Facebook and X at:
www.facebook.com/nwsbayarea
x.com/nwsbayarea
040
FPUS65 KTFX 181300
SFPMT
State Forecast For Montana
National Weather Service Great Falls MT
700 AM MDT Mon May 18 2026
MTZ001>007-043-182200-
West of the Continental Divide-
National Weather Service Missoula MT
700 AM MDT Mon May 18 2026
...FROST ADVISORY IN EFFECT UNTIL 8 AM MDT THIS MORNING for
Kootenai/Cabinet Region...Lower Clark Fork Region...
...FROST ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING for
Flathead/Mission Valleys...Missoula/Bitterroot Valleys...
.TODAY...Partly cloudy with a chance of rain showers and a slight
chance of thunderstorms. Widespread frost. Highs in the mid 50s
to lower 60s.
.TONIGHT...Partly cloudy with a slight chance of rain. Widespread
frost. Lows in the upper 20s to mid 30s.
.TUESDAY...Partly cloudy. Areas of frost in the morning. Highs in
the 60s.
.WEDNESDAY...Mostly cloudy. Chance of rain showers. Lows in the
30s. Highs in the 60s.
.THURSDAY...Partly cloudy. Lows in the 30s. Highs in the mid 60s
to lower 70s.
.FRIDAY...Partly cloudy. Lows in the mid 30s to lower 40s. Highs
in the upper 60s to mid 70s.
$$
MTZ301>314-316>318-182200-
Central Montana-
National Weather Service Great Falls MT
700 AM MDT Mon May 18 2026
.REST OF TODAY...Partly cloudy. Patchy fog in the morning. Highs
45 to 55...35 to 45 in the mountains.
.TONIGHT...Mostly clear. Lows 25 to 30.
.TUESDAY...Increasing clouds. Slight chance of rain in the
afternoon and evening. Highs 60 to 65...45 to 55 in the
mountains.
.WEDNESDAY...Mostly cloudy. Chance of rain. Lows 35 to 40. Highs
55 to 65.
.THURSDAY...Partly cloudy. Chance of rain. Lows 35 to 40. Highs
55 to 65.
.FRIDAY...Partly cloudy. Lows 35 to 40. Highs 60 to 70.
$$
MTZ315-319>330-182200-
Southwest Montana-
National Weather Service Great Falls MT
700 AM MDT Mon May 18 2026
.REST OF TODAY...Partly cloudy. Slight chance of snow in the
morning. Highs 40 to 50...30 to 40 in the mountains. Gusts up to
35 mph in the morning.
.TONIGHT...Mostly clear. Lows 20 to 30...15 to 25 in the
mountains.
.TUESDAY...Increasing clouds in the afternoon then becoming
partly cloudy. Slight chance of rain and snow in the afternoon
and evening. Highs 50 to 60...40 to 50 in the mountains.
.WEDNESDAY...Partly cloudy. Chance of rain. Lows 25 to 35. Highs
50 to 60.
.THURSDAY...Partly cloudy. Chance of rain and snow. Lows 30 to
35. Highs 50 to 60.
.FRIDAY...Partly cloudy. Lows 30 to 40. Highs 55 to 65.
$$
MTZ016>027-059>062-182200-
Northeast Montana-
National Weather Service Glasgow MT
700 AM MDT Mon May 18 2026
.TODAY...Mostly cloudy with a slight chance of rain showers.
Highs in the mid to upper 40s.
.TONIGHT...Mostly cloudy. Lows in the mid 20s to lower 30s.
.TUESDAY...Partly cloudy. Highs in the lower to mid 60s.
.WEDNESDAY...Mostly cloudy with a slight chance of rain showers.
Highs in the mid 60s to lower 70s. Lows near 40.
.THURSDAY...Mostly cloudy with a chance of rain showers. Highs in
the lower to mid 60s. Lows near 40.
.FRIDAY...Partly cloudy. Highs in the mid 60s to lower 70s. Lows
near 40.
$$
MTZ028>042-056>058-063>068-182200-
South Central and Southeast Montana-
National Weather Service Billings MT
700 AM MDT Mon May 18 2026
...Winter Weather Advisory in effect until Noon MDT today for
portions of South Central Montana...
.TODAY...Cloudy. Patchy blowing snow. Slight chance of rain
showers and snow showers. Highs in the mid 40s to lower 50s.
.TONIGHT...Partly cloudy. Lows in the mid 20s to around 30.
.TUESDAY...Sunny. Highs in the upper 50s to the upper 60s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s to the mid
40s.
.WEDNESDAY...Mostly sunny. Chance of rain showers. Highs in the
mid 60s to lower 70s.
.WEDNESDAY NIGHT...Mostly cloudy. Showers likely and slight
chance of thunderstorms west...and chance of showers east. Lows
in the mid 30s to the mid 40s.
.THURSDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms. Highs in the upper 50s to mid 60s.
.THURSDAY NIGHT...Partly cloudy. Slight chance of rain showers.
Lows in the mid 30s to the mid 40s.
.FRIDAY...Mostly sunny. Slight chance of thunderstorms west...and
slight chance of showers east. Highs in the mid 60s to the mid
70s.
$$
759
FPUS65 KBYZ 181217
SFTBYZ
MTZ029>034-036-037-040-042-056>058-063>068-138-139-141-169>173-228-235-WYZ198-199-182300-
Tabular State Forecast for SCen and SErn MT/NCen WY
National Weather Service Billings MT
617 AM MDT Mon May 18 2026
ROWS INCLUDE...
Daily predominant daytime weather 6AM-6PM
Forecast temperatures...early morning low/daytime high
Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM
- indicates temperatures below zero
MM indicates missing data
 
FCSTFCSTFCSTFCSTFCSTFCSTFCST
TodayTueWedThuFriSatSun
May 18May 19May 20May 21May 22May 23May 24
...SOUTH CENTRAL MONTANA...
Livingston
MocldyPtcldyPtcldyTstrmsTstrmsPtcldyWindy
/4825/6236/6536/6136/6840/7644/80
/4010/0000/2080/5010/2010/1010/10
Big Timber
MocldyPtcldyPtcldyTstrmsTstrmsPtcldyPtcldy
/5028/6338/6638/6139/6842/7547/78
/2010/1000/2080/5020/2010/0000/10
Harlowton
PtcldySunnyTstrmsTstrmsTstrmsPtcldyPtcldy
/4925/6236/6436/6137/6740/7444/78
/2000/1000/3070/3010/2000/0000/10
Roundup
MocldySunnyPtcldyTstrmsTstrmsPtcldyPtcldy
/5027/6539/6840/6340/7043/7748/81
/2000/0000/3060/3020/2010/0010/10
Billings
MocldySunnyPtcldyTstrmsPtcldyPtcldyPtcldy
/5029/6743/7143/6342/7145/7950/84
/2010/0000/1070/5010/1000/0000/10
Red Lodge
SnoshwrPtcldyPtcldyTstrmsTstrmsPtcldySunny
/4226/5738/6139/5539/6243/7049/75
/5020/1000/3070/7030/4010/1010/10
Columbus
MocldySunnyPtcldyTstrmsTstrmsPtcldyPtcldy
/5025/6435/6836/6237/6939/7744/81
/2010/0000/1070/5020/2010/0000/10
Hardin
MocldySunnyPtcldyTstrmsTstrmsPtcldyPtcldy
/5026/6737/7341/6439/7242/7947/83
/2010/0000/1060/5020/2010/0000/10
...SOUTHEAST MONTANA...
Miles City
MocldySunnyPtcldyPtcldyPtcldyPtcldyPtcldy
/4830/6440/7343/6541/7143/7848/82
/2020/0000/1040/4010/1010/0010/10
Forsyth
MocldySunnyPtcldyShwrsPtcldyPtcldyTstrms
/4928/6640/7242/6541/7144/7949/82
/2010/0000/1040/5010/2010/0010/20
Broadus
ShwrsSunnySunnyShwrsPtcldyPtcldyPtcldy
/4529/6238/7243/6240/6843/7648/81
/5020/0000/0020/6020/2010/0000/10
Baker
MocldyPtcldyPtcldyMocldyPtcldyPtcldyPtcldy
/4629/5935/7239/6438/6842/7546/81
/4020/0000/1030/4030/2020/1010/10
...NORTH CENTRAL WYOMING...
Sheridan
ShwrsSunnySunnyTstrmsTstrmsPtcldySunny
/4324/6031/6736/5833/6736/7540/80
/8010/0000/1040/7020/3010/1000/10
$$
weather.gov/billings
710
FPUS65 KGGW 172116
SFTGGW
MTZ016>027-059>062-181100-
Tabular State Forecast for Northeast Montana
National Weather Service Glasgow MT
316 PM MDT Sun May 17 2026
ROWS INCLUDE...
Daily predominant daytime weather 6AM-6PM
Forecast temperatures...early morning low/daytime high
Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM
- indicates temperatures below zero
MM indicates missing data
FCSTFCSTFCSTFCSTFCSTFCSTFCST
MonTueWedThuFriSatSun
May 18May 19May 20May 21May 22May 23May 24
...NORTHEAST MONTANA...
Circle
MocldyPtcldyPtcldyPtcldyPtcldySunnySunny
32/4629/6239/6940/6742/7043/7749/82
50/4020/0000/1010/1010/2010/1010/10
Culbertson
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
33/4830/6136/7240/6940/7243/7947/84
50/4020/0000/1010/2000/3020/1010/10
Glasgow
MocldyPtcldyPtcldyPtcldyPtcldySunnyPtcldy
31/4827/6339/6838/6941/7042/7847/82
40/2000/0000/3020/1010/2010/1010/10
Glendive
MocldyPtcldyPtcldyPtcldyPtcldySunnySunny
34/4830/6237/7241/6942/7243/7849/83
20/3020/0000/1020/1010/3020/1010/10
Jordan
MocldySunnyPtcldyPtcldyPtcldySunnyPtcldy
30/4826/6538/6938/6841/7041/7847/81
10/2010/2000/2020/1010/2010/1010/10
Malta
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
30/4927/6539/6538/6842/6942/7747/79
40/1000/2000/3020/1010/3020/1010/10
Opheim
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
28/4125/5736/6236/6339/6540/7246/76
80/2000/0010/4020/2010/3020/1010/10
Plentywood
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
31/4329/5735/6739/6540/6842/7446/80
80/4010/0000/3010/2010/3030/1010/10
Poplar
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
32/4929/6436/7339/7140/7442/8046/86
60/3010/0000/1010/1010/2020/1010/10
Scobey
MocldyPtcldyPtcldyPtcldyMocldyPtcldyPtcldy
30/4328/5936/6638/6640/6842/7546/79
80/4010/0000/3020/2010/2020/1010/10
Sidney
MocldyPtcldyPtcldyPtcldyMocldyPtcldyPtcldy
34/4830/6135/7340/7040/7243/7947/84
30/3030/0000/1020/1010/3020/1010/10
Terry
MocldyPtcldyPtcldyPtcldyPtcldySunnySunny
35/4931/6437/7341/7042/7343/7948/84
10/2020/0000/1020/1010/2020/1010/10
Whitewater
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
29/4626/6337/6437/6740/6840/7645/78
50/0000/2010/4020/2010/3020/1010/10
Wibaux
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
34/4630/5836/7041/6741/6943/7648/81
20/3030/0000/1020/1010/3020/1010/10
Winnett
MocldySunnyPtcldyPtcldyPtcldyPtcldySunny
30/5127/6538/6639/6742/7042/7846/81
20/1000/2000/4030/1010/3010/1010/10
Wolf Point
MocldyPtcldyPtcldyPtcldyPtcldyPtcldyPtcldy
32/4928/6436/7238/7040/7341/8046/84
60/3010/0010/2010/1010/2020/1010/10
Zortman
PtcldySunnyPtcldyPtcldyPtcldySunnySunny
29/4628/6042/6041/6345/6446/7251/74
30/1000/2000/4020/1020/3010/1010/10
$$
DTN Weather
Local Weather
Radar
County Forecast
State Forecast
DTN Weather Commentary
US Satellite
Current Surface Analysis
Wind Conditions
Today's Forecast Highs
Tonight's Forecast Lows
24 Hr Surface Forecast
Jet Stream Forecast
24 Hr Rainfall Estimate
24 Hr StormPath Accum
48 Hr StormPath Accum
6-10 Day Temp Forecast
6-10 Day Precip Forecast
Thunderstorm Outlook
US Drought Monitor
US Palmer Drought Index
US Crop Moisture Index
US Growing Degree Days
Soil Temperatures
Hurricane Tracking

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Bio
Heavy Rain, Severe Weather for Central US Monday

» More DTN Weather Commentary
Posted at 5:37AM Mon May 18, 2026 CDT
Click here to get your local weather emailed to you each day.
Copyright DTN. All rights reserved. Disclaimer.
Powered By DTN