Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

37°F

3°C

Humidity 34%
Wind Speed SW 27 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Mar 11:35 AM MDT
Extended Forecast for

Great Falls International Airport MT

Winter Storm Watch March 12, 06:00pm until March 14, 06:00pm
High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning
  • Today

    Today: Partly sunny, with a high near 44. Windy, with a west southwest wind 23 to 30 mph, with gusts as high as 43 mph.

    High: 44 °F

    Partly Sunny
    and Windy

  • Tonight

    Tonight: A chance of rain and snow before midnight, then a chance of rain between midnight and 5am.  Mostly cloudy, with a low around 37. Very windy, with a southwest wind 21 to 31 mph increasing to 38 to 48 mph. Winds could gust as high as 65 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow and
    Windy then
    Chance Rain
    and Very
    Windy

  • Thursday

    Thursday: Rain likely before 9am, then rain and snow likely between 9am and noon, then snow likely after noon.  Cloudy, with a high near 49. Very windy, with a west southwest wind 39 to 48 mph, with gusts as high as 70 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 49 °F

    Very Windy.
    Rain/Snow
    Likely then
    Snow Likely

  • Thursday Night

    Thursday Night: Snow.  Low around 29. Breezy, with a west southwest wind 24 to 29 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow.  High near 36. West northwest wind 13 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 22. Northeast wind 7 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow

  • Saturday

    Saturday: Snow.  High near 32. North northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Saturday Night

    Saturday Night: Snow, mainly before midnight.  Mostly cloudy, with a low around 11. North wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.

    Low: 11 °F

    Snow

  • Sunday

    Sunday: A slight chance of snow.  Mostly cloudy, with a high near 33.

    High: 33 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Partly sunny, with a high near 44. Windy, with a west southwest wind 23 to 30 mph, with gusts as high as 43 mph.
Tonight
A chance of rain and snow before midnight, then a chance of rain between midnight and 5am. Mostly cloudy, with a low around 37. Very windy, with a southwest wind 21 to 31 mph increasing to 38 to 48 mph. Winds could gust as high as 65 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
Rain likely before 9am, then rain and snow likely between 9am and noon, then snow likely after noon. Cloudy, with a high near 49. Very windy, with a west southwest wind 39 to 48 mph, with gusts as high as 70 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 29. Breezy, with a west southwest wind 24 to 29 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow. High near 36. West northwest wind 13 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 22. Northeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. High near 32. North northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow, mainly before midnight. Mostly cloudy, with a low around 11. North wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 51.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41. Breezy.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 65. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
4:52 am MDT Mar 11, 2026
11am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
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Additional Resources

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