National Weather Service Forecast for: Polson MT
Issued by: National Weather Service Missoula, MT
Updated: 2:01 pm MDT Jul 16, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. North northeast wind around 5 mph.
Slight Chance
T-storms
 Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 60. North northeast wind around 5 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Partly Cloudy
 Friday

Friday: A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 93. Calm wind becoming northeast around 5 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening.
Chance
Showers then
Partly Cloudy
 Saturday

Saturday: Sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 59.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 94.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 56.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 91.
Mostly Sunny
Hi 92 °F Lo 60 °F Hi 93 °F Lo 61 °F Hi 95 °F Lo 59 °F Hi 94 °F Lo 56 °F Hi 91 °F

 

This Afternoon
 
 A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. North northeast wind around 5 mph.
Tonight
 
 A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 60. North northeast wind around 5 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 93. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
 
 A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 95. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 59.
Sunday
 
 Sunny, with a high near 94.
Sunday Night
 
 Mostly clear, with a low around 56.
Monday
 
 Mostly sunny, with a high near 91.
Monday Night
 
 Mostly cloudy, with a low around 60.
Tuesday
 
 Partly sunny, with a high near 90.
Tuesday Night
 
 A slight chance of rain. Partly cloudy, with a low around 61.
Wednesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93.

 

Forecast from NOAA-NWS for Polson MT.