National Weather Service Forecast for: Columbia Falls MT
Issued by: National Weather Service Missoula, MT
Updated: 2:11 pm MDT Mar 19, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of rain, mainly after 5pm.  Cloudy, with a high near 60. South wind around 9 mph.
Chance Rain

Tonight

Tonight: Rain likely, mainly between 4am and 5am.  Cloudy, with a low around 44. South wind 6 to 9 mph.  Chance of precipitation is 60%.
Rain Likely

Friday

Friday: Rain likely, mainly after 3pm.  Mostly cloudy, with a high near 61. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%.
Rain Likely

Friday
Night
Friday Night: Rain.  Low around 44. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%.
Rain

Saturday

Saturday: Rain likely, mainly before noon.  Mostly cloudy, with a high near 52. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely
then Chance
Rain
Saturday
Night
Saturday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending.  Mostly clear, with a low around 30. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Mostly
Clear
Sunday

Sunday: Sunny, with a high near 49.
Sunny

Sunday
Night
Sunday Night: Mostly cloudy, with a low around 29.
Mostly Cloudy

Monday

Monday: Partly sunny, with a high near 52.
Partly Sunny

Hi 60 °F Lo 44 °F Hi 61 °F Lo 44 °F Hi 52 °F Lo 30 °F Hi 49 °F Lo 29 °F Hi 52 °F

 

This Afternoon
 
A 30 percent chance of rain, mainly after 5pm. Cloudy, with a high near 60. South wind around 9 mph.
Tonight
 
Rain likely, mainly between 4am and 5am. Cloudy, with a low around 44. South wind 6 to 9 mph. Chance of precipitation is 60%.
Friday
 
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 61. South southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday Night
 
Rain. Low around 44. South southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
 
Rain likely, mainly before noon. Mostly cloudy, with a high near 52. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
 
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly clear, with a low around 30. Chance of precipitation is 20%.
Sunday
 
Sunny, with a high near 49.
Sunday Night
 
Mostly cloudy, with a low around 29.
Monday
 
Partly sunny, with a high near 52.
Monday Night
 
Mostly cloudy, with a low around 34.
Tuesday
 
Rain likely. Mostly cloudy, with a high near 50.
Tuesday Night
 
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
 
Rain likely. Mostly cloudy, with a high near 46.

 

Forecast from NOAA-NWS for Columbia Falls MT.