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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

59°F

15°C

Humidity 26%
Wind Speed SW 19 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 Mar 11:20 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 55. Southwest wind around 21 mph, with gusts as high as 29 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70. Windy, with a west southwest wind 21 to 30 mph, with gusts as high as 41 mph.

    High: 70 °F

    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. Southwest wind 14 to 21 mph, with gusts as high as 33 mph.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. Windy, with a southwest wind 14 to 19 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 74 °F

    Partly Sunny
    then Partly
    Sunny and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Breezy, with a southwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 45 mph.

    Low: 52 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 61. Southwest wind 17 to 20 mph, with gusts as high as 37 mph.

    High: 61 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 55. Southwest wind around 21 mph, with gusts as high as 29 mph.
Thursday
Mostly cloudy, with a high near 70. Windy, with a west southwest wind 21 to 30 mph, with gusts as high as 41 mph.
Thursday Night
Mostly cloudy, with a low around 52. Southwest wind 14 to 21 mph, with gusts as high as 33 mph.
Friday
Partly sunny, with a high near 74. Windy, with a southwest wind 14 to 19 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 50 mph.
Friday Night
Partly cloudy, with a low around 52. Breezy, with a southwest wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 45 mph.
Saturday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 61. Southwest wind 17 to 20 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 56. South southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly cloudy, with a high near 67.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 62. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
10:32 pm MDT Mar 18, 2026
Forecast Valid:
11pm MDT Mar 18, 2026-6pm MDT Mar 25, 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