National Weather Service Forecast for: Polson MT
Issued by: National Weather Service Missoula, MT
Updated: 3:30 am MDT Jul 25, 2025
 
Overnight

Overnight: Mostly clear, with a low around 56. South wind around 6 mph.
Mostly Clear

 Friday

Friday: Sunny, with a high near 89. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 55. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 54. West wind 5 to 9 mph becoming calm after midnight.
Mostly Clear

 Sunday

Sunday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 86.
Sunny then
Chance
Showers
 Sunday
Night
Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 56.
Slight Chance
Showers then
Partly Cloudy
 Monday

Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Sunny then
Slight Chance
T-storms
 Monday
Night
Monday Night: Partly cloudy, with a low around 57.
Partly Cloudy
Lo 56 °F Hi 89 °F Lo 55 °F Hi 88 °F Lo 54 °F Hi 86 °F Lo 56 °F Hi 87 °F Lo 57 °F

 

Overnight
 
 Mostly clear, with a low around 56. South wind around 6 mph.
Friday
 
 Sunny, with a high near 89. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Friday Night
 
 Mostly clear, with a low around 55. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Saturday
 
 Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 54. West wind 5 to 9 mph becoming calm after midnight.
Sunday
 
 A 30 percent chance of showers after noon. Mostly sunny, with a high near 86.
Sunday Night
 
 A 20 percent chance of showers before midnight. Partly cloudy, with a low around 56.
Monday
 
 A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Monday Night
 
 Partly cloudy, with a low around 57.
Tuesday
 
 Mostly sunny, with a high near 90.
Tuesday Night
 
 Partly cloudy, with a low around 58.
Wednesday
 
 Mostly sunny, with a high near 89.
Wednesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Thursday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Polson MT.