Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Partly Cloudy

39°F

4°C

Humidity 80%
Wind Speed SSW 8 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 20 May 01:20 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Partly cloudy, with a low around 40. Southwest wind around 8 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 63. West wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 63 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. West wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Sunny, with a high near 64. West wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. West wind 5 to 9 mph becoming light south southwest  after midnight.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after noon.  Mostly cloudy, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 42. West wind 5 to 8 mph becoming south in the evening.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 67. West southwest wind 5 to 7 mph becoming north northwest in the afternoon.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after midnight.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. Southwest wind around 8 mph.
Tuesday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 63. West wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 37. West wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of showers after noon. Sunny, with a high near 64. West wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 37. West wind 5 to 9 mph becoming light south southwest after midnight.
Thursday
A 40 percent chance of showers after noon. Mostly cloudy, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42. West wind 5 to 8 mph becoming south in the evening.
Friday
A chance of showers. Partly sunny, with a high near 67. West southwest wind 5 to 7 mph becoming north northwest in the afternoon.
Friday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 44.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44.
Sunday
A chance of showers. Partly sunny, with a high near 69.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 45.
Memorial Day
A slight chance of showers. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.52°N 111.28°W (Elev. 3399 ft)
2:23 pm MDT May 19, 2025
1am MDT May 20, 2025-6pm MDT May 26, 2025
 
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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