National Weather Service Forecast for: Columbia Falls MT
Issued by: National Weather Service Missoula, MT
Updated: 2:00 am MDT May 4, 2026
 
Today

Today: Partly sunny, with a high near 61. Northeast wind around 8 mph.
Partly Sunny

Tonight

Tonight: Mostly cloudy, with a low around 38. Northeast wind 5 to 8 mph.
Mostly Cloudy

Tuesday

Tuesday: Mostly sunny, with a high near 59. Northeast wind 5 to 7 mph.
Mostly Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 36. Northeast wind 5 to 7 mph becoming calm  after midnight.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms, then a chance of rain after 9pm.  Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Slight Chance
T-storms then
Chance Rain
Thursday

Thursday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 68. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance Rain
then Chance
T-storms
Thursday
Night
Thursday Night: A slight chance of rain before midnight.  Mostly cloudy, with a low around 46.
Slight Chance
Rain then
Mostly Cloudy
Friday

Friday: Partly sunny, with a high near 69.
Partly Sunny

Hi 61 °F Lo 38 °F Hi 59 °F Lo 36 °F Hi 69 °F Lo 46 °F Hi 68 °F Lo 46 °F Hi 69 °F

 

Today
 
Partly sunny, with a high near 61. Northeast wind around 8 mph.
Tonight
 
Mostly cloudy, with a low around 38. Northeast wind 5 to 8 mph.
Tuesday
 
Mostly sunny, with a high near 59. Northeast wind 5 to 7 mph.
Tuesday Night
 
Mostly clear, with a low around 36. Northeast wind 5 to 7 mph becoming calm after midnight.
Wednesday
 
Sunny, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
 
A slight chance of showers and thunderstorms, then a chance of rain after 9pm. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Thursday
 
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
A slight chance of rain before midnight. Mostly cloudy, with a low around 46.
Friday
 
Partly sunny, with a high near 69.
Friday Night
 
Mostly cloudy, with a low around 45.
Saturday
 
A slight chance of rain. Mostly sunny, with a high near 64.
Saturday Night
 
Partly cloudy, with a low around 44.
Sunday
 
Mostly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Columbia Falls MT.