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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. 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

32°F

0°C

Humidity 80%
Wind Speed SSW 16 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 13 Oct 02:25 AM MDT
Extended Forecast for

Great Falls MT

Dense Fog Advisory October 13, 02:57am until October 13, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory October 13, 02:57am until October 13, 12:00pm

    NOW until 12:00pm Tue

    Dense Fog Advisory

  • Overnight

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43. West southwest wind 3 to 7 mph.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 8pm and 9pm. Otherwise, partly cloudy, with a low around 23. Calm wind becoming southwest 5 to 7 mph after midnight.

    Low: 23 °F

    Patchy Fog
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm after midnight.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Calm wind becoming south 5 to 9 mph after midnight.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. South southwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 71 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 27. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 43. West southwest wind 3 to 7 mph.
Tuesday Night
Patchy fog between 8pm and 9pm. Otherwise, partly cloudy, with a low around 23. Calm wind becoming southwest 5 to 7 mph after midnight.
Wednesday
Mostly sunny, with a high near 51. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 58. Calm wind.
Thursday Night
Mostly clear, with a low around 37. Calm wind becoming south 5 to 9 mph after midnight.
Friday
Sunny, with a high near 71. South southwest wind 11 to 17 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 73. Breezy.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 72.
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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:
12:41 am MDT Oct 13, 2026
Forecast Valid:
2am MDT Oct 13, 2026-6pm MDT Oct 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation