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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

81°F

27°C

Humidity 21%
Wind Speed SSW 6 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 04 Oct 03:35 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Mostly clear, with a low around 54. Light and variable wind becoming southwest 5 to 10 mph in the evening.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. Southwest wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Southwest wind 5 to 9 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. Southwest wind 3 to 8 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North northeast wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Light and variable wind becoming southwest 5 to 10 mph in the evening.
Monday
Mostly sunny, with a high near 85. Southwest wind 9 to 17 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 52. Southwest wind 5 to 9 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 80. Southwest wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 48. Light and variable wind.
Wednesday
Sunny, with a high near 75. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. North northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 73. Calm wind.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 80. Breezy.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
A chance of rain. Mostly cloudy, with a high near 61.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
3:51 pm MDT Oct 4, 2026
Forecast Valid:
3pm MDT Oct 4, 2026-6pm MDT Oct 11, 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