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Hurricane Isaias to Approach the Northern Gulf Coast on Friday

Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. 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

79°F

26°C

Humidity 16%
Wind Speed SW 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 08 Oct 03:35 PM MDT
Extended Forecast for

Great Falls MT

Red Flag Warning October 9, 12:00pm until October 9, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Light south wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Breezy, with a south southwest wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 82 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 41. West wind 12 to 17 mph becoming light west northwest after midnight. Winds could gust as high as 33 mph.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain before 3pm, then rain, possibly mixed with snow. High near 51. North wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 51 °F

    Rain then
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow, possibly mixed with rain. Low around 26. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow

  • Sunday

    Sunday: Snow. High near 37. North northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 23. North northeast wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely

  • Columbus Day

    Columbus Day: A slight chance of snow before noon. Partly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. Light south wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Breezy, with a south southwest wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.
Friday Night
A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 41. West wind 12 to 17 mph becoming light west northwest after midnight. Winds could gust as high as 33 mph.
Saturday
Rain before 3pm, then rain, possibly mixed with snow. High near 51. North wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
Snow, possibly mixed with rain. Low around 26. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday
Snow. High near 37. North northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday Night
Snow likely. Cloudy, with a low around 23. North northeast wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Columbus Day
A slight chance of snow before noon. Partly sunny, with a high near 42. Calm wind.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A chance of rain. Partly sunny, with a high near 58.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.5°N 111.28°W (Elev. 3399 ft)
Last Update:
12:32 pm MDT Oct 8, 2026
Forecast Valid:
3pm MDT Oct 8, 2026-6pm MDT Oct 15, 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