National Weather Service Forecast for: Bigfork 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 4pm. Sunny, with a high near 90. Light and variable wind.
Slight Chance
T-storms

 Tonight

Tonight: A chance of rain and thunderstorms before 2am, then a slight chance of rain after 3am. Partly cloudy, with a low around 63. Calm wind becoming north around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Slight Chance
Rain
 Friday

Friday: A 20 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 91. Calm wind becoming south around 5 mph.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Patchy fog after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 63. Light south southeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms and
Patchy Fog
 Saturday

Saturday: Sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 61.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 87.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 58.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 87.
Mostly Sunny
Hi 90 °F Lo 63 °F Hi 91 °F Lo 63 °F Hi 88 °F Lo 61 °F Hi 87 °F Lo 58 °F Hi 87 °F

 

This Afternoon
 
 A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. Light and variable wind.
Tonight
 
 A chance of rain and thunderstorms before 2am, then a slight chance of rain after 3am. Partly cloudy, with a low around 63. Calm wind becoming north around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth 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 91. Calm wind becoming south around 5 mph.
Friday Night
 
 A 40 percent chance of showers and thunderstorms, mainly before 1am. Patchy fog after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 63. Light south southeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 61.
Sunday
 
 Sunny, with a high near 87.
Sunday Night
 
 Mostly clear, with a low around 58.
Monday
 
 Mostly sunny, with a high near 87.
Monday Night
 
 Mostly cloudy, with a low around 62.
Tuesday
 
 Partly sunny, with a high near 85.
Tuesday Night
 
 Partly cloudy, with a low around 62.
Wednesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.

 

Forecast from NOAA-NWS for Bigfork MT.