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

Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

23°F

-5°C

Humidity 79%
Wind Speed W 9 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 09 Mar 11:00 PM MDT
Extended Forecast for

Great Falls MT

High Wind Watch March 11, 06:00pm until March 12, 06:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Southwest wind 6 to 8 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 2pm. Mostly sunny, with a high near 39. South southwest wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 39 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 21. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 21 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 46 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow
    then Chance
    Rain and
    Windy

  • Thursday

    Thursday: Rain likely before noon, then rain and snow. High near 51. Windy, with a west southwest wind 36 to 41 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F

    Windy. Rain
    Likely then
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow before 3am, then rain and snow. Low around 30. Breezy, with a west wind 20 to 25 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow and
    Breezy then
    Rain/Snow

  • Friday

    Friday: Rain and snow. Cloudy, with a high near 43. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 43 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow, becoming all snow after midnight. Cloudy, with a low around 20.

    Low: 20 °F

    Rain/Snow
    then Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Southwest wind 6 to 8 mph.
Tuesday
A 20 percent chance of snow after 2pm. Mostly sunny, with a high near 39. South southwest wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 21. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 46. Breezy, with a southwest wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.
Wednesday Night
A chance of rain and snow before midnight, then a chance of rain. Mostly cloudy, with a low around 37. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Rain likely before noon, then rain and snow. High near 51. Windy, with a west southwest wind 36 to 41 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Snow before 3am, then rain and snow. Low around 30. Breezy, with a west wind 20 to 25 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow. Cloudy, with a high near 43. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Rain and snow, becoming all snow after midnight. Cloudy, with a low around 20.
Saturday
Snow. Cloudy, with a high near 31.
Saturday Night
Snow likely. Mostly cloudy, with a low around 11.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 50.
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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:
10:47 pm MDT Mar 9, 2026
Forecast Valid:
11pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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