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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Overcast

51°F

11°C

Humidity 47%
Wind Speed NNE 8 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Oct 05:53 AM MDT
Extended Forecast for

Great Falls MT

Winter Storm Warning October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Rain, possibly mixed with snow. Temperature falling to around 33 by 5pm. North wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F⇓

    Rain then
    Rain/Snow

  • Tonight

    Tonight: Snow. Low around 28. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow

  • Sunday

    Sunday: Snow. High near 34. North northeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 26. North northeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow

  • Columbus Day

    Columbus Day: Snow likely before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 40. North northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Light southwest wind.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
Rain, possibly mixed with snow. Temperature falling to around 33 by 5pm. North wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Low around 28. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 34. North northeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. Low around 26. North northeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Columbus Day
Snow likely before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 40. North northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 24. Calm wind.
Tuesday
Mostly sunny, with a high near 47. Light southwest wind.
Tuesday Night
Mostly clear, with a low around 28. Calm wind becoming south southwest around 6 mph after midnight.
Wednesday
Sunny, with a high near 54.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 31.
Thursday
A slight chance of rain. Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 64.
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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:
3:47 am MDT Oct 10, 2026
Forecast Valid:
6am MDT Oct 10, 2026-6pm MDT Oct 16, 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