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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Kalispell, Glacier Park International Airport (KGPI)

Lat: 48.30417°NLon: 114.26361°WElev: 2972.0ft.

Clear

75°F

24°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 49°F (9°C)
Visibility 9.00 mi
Last update 20 Aug 11:55 AM MDT
Extended Forecast for

Columbia Falls MT

  • This Afternoon

    This Afternoon: Patchy smoke before 2pm. Sunny, with a high near 88. South wind 3 to 5 mph.

    High: 88 °F

    Patchy Smoke

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind becoming north northeast around 6 mph after midnight.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90. Northeast wind around 5 mph becoming calm in the morning.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. Calm wind becoming northeast 5 to 7 mph after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 87. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Rain then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy smoke before 2pm. Sunny, with a high near 88. South wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 53. Calm wind becoming north northeast around 6 mph after midnight.
Friday
Mostly sunny, with a high near 90. Northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 57. Calm wind becoming northeast 5 to 7 mph after midnight.
Saturday
A slight chance of rain before 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 87. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Columbia Falls MT
 48.37°N 114.22°W (Elev. 3035 ft)
Last Update:
2:01 am MDT Aug 20, 2026
Forecast Valid:
12pm MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation