National Weather Service Forecast for: Polson MT
Issued by: National Weather Service Missoula, MT
Updated: 2:01 am MDT May 26, 2026
 
Today

Today: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 77. Calm wind becoming south around 6 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.
Mostly Sunny
then Chance
T-storms
 Tonight

Tonight: Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Showers
Likely then
Chance Rain
 Wednesday

Wednesday: A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Chance
Showers

 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight. Mostly cloudy, with a low around 53. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Slight Chance
Rain
 Thursday

Thursday: Sunny, with a high near 88. Light and variable wind.
Sunny

 Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Mostly Cloudy
 Friday

Friday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Showers
Likely
 Friday
Night
Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 49.
Showers

 Saturday

Saturday: Rain likely, mainly after noon. Mostly cloudy, with a high near 67.
Rain Likely
Hi 77 °F Lo 52 °F Hi 81 °F Lo 53 °F Hi 88 °F Lo 55 °F Hi 81 °F Lo 49 °F Hi 67 °F

 

Today
 
 A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 77. Calm wind becoming south around 6 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
 Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 A chance of rain before 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
 
 A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight. Mostly cloudy, with a low around 53. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Sunny, with a high near 88. Light and variable wind.
Thursday Night
 
 A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 49.
Saturday
 
 Rain likely, mainly after noon. Mostly cloudy, with a high near 67.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 43.
Sunday
 
 A chance of rain. Mostly sunny, with a high near 69.
Sunday Night
 
 A slight chance of rain. Partly cloudy, with a low around 43.
Monday
 
 A slight chance of rain. Sunny, with a high near 71.

 

Forecast from NOAA-NWS for Polson MT.