National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Kalispell, Glacier Park International Airport (KGPI)

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

Clear

43°F

6°C

Humidity 100%
Wind Speed NW 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Sep 12:20 AM MDT
Extended Forecast for

Columbia Falls MT

  • Overnight

    Overnight: Mostly clear, with a low around 46. North northeast wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming west around 5 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain between 2am and 4am. Increasing clouds, with a low around 50. Northeast wind around 5 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 46. North northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 75. Calm wind becoming west around 5 mph.
Thursday Night
A 20 percent chance of rain between 2am and 4am. Increasing clouds, with a low around 50. Northeast wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Calm wind.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 73.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
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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:
12:21 am MDT Sep 17, 2026
Forecast Valid:
12am MDT Sep 17, 2026-6pm MDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation