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

Tropical Storm and Storm Surge Warnings for the North Carolina Outer Banks; Hot in the Mississippi Valley

Tropical Storm conditions and coastal flooding are possible in the North Carolina Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Warnings are in effect. Hurricane Erin is expected to bring life threatening surf and rip currents along the East Coast beaches this week. Hot to extremely hot temperatures continue across parts of the Southern Plains and Mississippi Valley today. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

99°F

37°C

Humidity 11%
Wind Speed SW 21 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 19 Aug 04:35 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 11pm and 1am. Increasing clouds, with a low around 60. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 60 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. North wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. North northeast wind 6 to 9 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. North wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50. Northeast wind 8 to 13 mph becoming light east after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming northeast 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 11pm and 1am. Increasing clouds, with a low around 60. West wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 93. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 82. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 52. North northeast wind 6 to 9 mph.
Friday
Sunny, with a high near 78. North wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 50. Northeast wind 8 to 13 mph becoming light east after midnight. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 83. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 88.
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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:
2:29 pm MDT Aug 19, 2025
Forecast Valid:
4pm MDT Aug 19, 2025-6pm MDT Aug 26, 2025
 
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