Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

18°F

-8°C

Humidity 72%
Wind Speed SSW 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 15 Mar 10:35 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 22 by 5am. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain before 1pm, then a slight chance of rain after 3pm.  Patchy blowing snow between 8am and 10am. Partly sunny, with a high near 48. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 20%.

    High: 48 °F

    Patchy
    Blowing Snow
    then Slight
    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 42. Windy, with a southwest wind 23 to 32 mph, with gusts as high as 44 mph.

    Low: 42 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy and
    Windy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Windy, with a southwest wind 30 to 32 mph, with gusts as high as 45 mph.

    High: 57 °F

    Mostly Cloudy
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 34 mph.

    Low: 47 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 40 mph.

    High: 63 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 34 mph.

    Low: 47 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly cloudy, with a high near 69. Windy, with a southwest wind 25 to 33 mph, with gusts as high as 46 mph.

    High: 69 °F

    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. Breezy.

    Low: 51 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 22 by 5am. South southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Monday
A slight chance of rain before 1pm, then a slight chance of rain after 3pm. Patchy blowing snow between 8am and 10am. Partly sunny, with a high near 48. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 42. Windy, with a southwest wind 23 to 32 mph, with gusts as high as 44 mph.
Tuesday
Mostly cloudy, with a high near 57. Windy, with a southwest wind 30 to 32 mph, with gusts as high as 45 mph.
Tuesday Night
Mostly cloudy, with a low around 47. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 34 mph.
Wednesday
Mostly cloudy, with a high near 63. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 40 mph.
Wednesday Night
Mostly cloudy, with a low around 47. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 34 mph.
Thursday
Mostly cloudy, with a high near 69. Windy, with a southwest wind 25 to 33 mph, with gusts as high as 46 mph.
Thursday Night
Mostly cloudy, with a low around 51. Breezy.
Friday
Mostly cloudy, with a high near 71. Breezy.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 46. Breezy.
Saturday
A slight chance of rain. Partly sunny, with a high near 71. Breezy.
Saturday Night
Partly cloudy, with a low around 36. Breezy.
Sunday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
7:53 pm MDT Mar 15, 2026
10pm MDT Mar 15, 2026-6pm MDT Mar 22, 2026
 
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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