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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Overcast

7°F

-14°C

Humidity 71%
Wind Speed N 9 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 17 Feb 06:20 PM MST
Extended Forecast for

Great Falls MT

Cold Weather Advisory February 17, 08:00pm until February 18, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: A chance of snow before 7pm, then a slight chance of snow after 2am. Mostly cloudy, with a low around -6. Wind chill values as low as -20. North northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: -6 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 3pm. Cloudy and cold, with a high near 2. Wind chill values as low as -25. North northwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 2 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A chance of snow before 1am, then a slight chance of snow after 3am. Mostly cloudy, with a low around -8. Wind chill values as low as -20. North wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: -8 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 12. Wind chill values as low as -20. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 12 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0. East northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 31 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Light and variable wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow before 7pm, then a slight chance of snow after 2am. Mostly cloudy, with a low around -6. Wind chill values as low as -20. North northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly before 3pm. Cloudy and cold, with a high near 2. Wind chill values as low as -25. North northwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
A chance of snow before 1am, then a slight chance of snow after 3am. Mostly cloudy, with a low around -8. Wind chill values as low as -20. North wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 12. Wind chill values as low as -20. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 0. East northeast wind 5 to 8 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 7. Northwest wind around 6 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 31. Light and variable wind becoming north northeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 14.
Monday
A chance of rain. Mostly sunny, with a high near 42.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 19.
Tuesday
A chance of snow. Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
6:22 pm MST Feb 17, 2026
Forecast Valid:
6pm MST Feb 17, 2026-6pm MST Feb 24, 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