National Weather Service Forecast for: Missoula MT
Issued by: National Weather Service Missoula, MT
Updated: 2:01 pm MDT Sep 12, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 45. Light northeast wind becoming east 10 to 15 mph in the evening. Winds could gust as high as 22 mph.
Increasing
Clouds
 Sunday

Sunday: A chance of rain before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 65. East wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Showers
Likely
 Sunday
Night
Sunday Night: Rain likely, mainly after 4am. Cloudy, with a low around 44. West southwest wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Chance Rain
then Rain
Likely
 Monday

Monday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 62. West southwest wind around 6 mph.
Chance Rain
then Partly
Sunny
 Monday
Night
Monday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 40. West northwest wind around 5 mph becoming calm in the evening.
Partly Cloudy
then Patchy
Fog
 Tuesday

Tuesday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 68.
Areas Fog
then Partly
Sunny
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 42.
Mostly Cloudy

 Wednesday

Wednesday: Sunny, with a high near 69.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 41.
Mostly Clear
Lo 45 °F Hi 65 °F Lo 44 °F Hi 62 °F Lo 40 °F Hi 68 °F Lo 42 °F Hi 69 °F Lo 41 °F

 

Tonight
 
 Increasing clouds, with a low around 45. Light northeast wind becoming east 10 to 15 mph in the evening. Winds could gust as high as 22 mph.
Sunday
 
 A chance of rain before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 65. East wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
 
 Rain likely, mainly after 4am. Cloudy, with a low around 44. West southwest wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Monday
 
 A 40 percent chance of rain before noon. Mostly cloudy, with a high near 62. West southwest wind around 6 mph.
Monday Night
 
 Patchy fog after 4am. Otherwise, partly cloudy, with a low around 40. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Areas of fog before 9am. Otherwise, partly sunny, with a high near 68.
Tuesday Night
 
 Mostly cloudy, with a low around 42.
Wednesday
 
 Sunny, with a high near 69.
Wednesday Night
 
 Mostly clear, with a low around 41.
Thursday
 
 Sunny, with a high near 75.
Thursday Night
 
 Mostly clear, with a low around 45.
Friday
 
 Sunny, with a high near 77.
Friday Night
 
 Mostly clear, with a low around 46.
Saturday
 
 Sunny, with a high near 80.

 

Forecast from NOAA-NWS for Missoula MT.