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

55°F

13°C

Humidity 37%
Wind Speed S 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 05 Oct 01:35 AM MDT
Extended Forecast for

6 Miles WSW Ulm MT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 54. South southwest wind around 9 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Southwest wind 5 to 13 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Southwest wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 54. South southwest wind around 9 mph.
Monday
Mostly sunny, with a high near 85. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 49. Southwest wind 5 to 13 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 43. North northeast wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 78. Breezy.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 59.
Saturday Night
Rain and snow. Mostly cloudy, with a low around 32. Breezy.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Ulm MT
 47.4°N 111.63°W (Elev. 3524 ft)
Last Update:
12:31 am MDT Oct 5, 2026
Forecast Valid:
1am MDT Oct 5, 2026-6pm MDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation