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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Mostly Cloudy

45°F

7°C

Humidity 70%
Wind Speed SSW 9 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Nov 03:35 AM MST
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. West southwest wind 3 to 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Calm wind becoming west around 5 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Southwest wind 7 to 10 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 42. Calm wind.
Tuesday
Mostly sunny, with a high near 59. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 24. West southwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 46. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 32. Calm wind.
Thursday
Sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Southwest wind 7 to 10 mph.
Friday
Sunny, with a high near 56. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A slight chance of rain. Mostly sunny, with a high near 55.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
Last Update:
3:01 am MST Nov 18, 2025
Forecast Valid:
3am MST Nov 18, 2025-6pm MST Nov 24, 2025
 
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