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

Flash Flood Threats in the Northeast and Southeast; Excessive Heat in the Southwest

Heavy rain will lead to isolated flash flooding threats along coastal New England, and Florida today. Excessive heat will continue to impact the Southwest. Dry, gusty winds, and possible dry lightning will contribute to a critical fire weather threat today across the Interior Northwest. Scattered storms, some severe, are expected Saturday from the northern Plains toward the upper MS Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675ft.

Clear

74°F

23°C

Humidity 39%
Wind Speed ENE 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 05 Aug 10:53 AM MDT
Extended Forecast for

Great Falls MT

Red Flag Warning August 5, 12:00pm until August 6, 12:00am
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Widespread haze after 1pm. Sunny, with a high near 94. Light and variable wind becoming east northeast 5 to 8 mph in the afternoon.

    Haze

    High: 94 °F

  • Tonight

    Tonight: A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rain. Widespread haze before 7pm. Mostly cloudy, with a low around 64. South southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Heavy Rain

    Low: 64 °F

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of rain between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 87. West wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Heavy Rain

    High: 87 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Some of the storms could produce heavy rain. Partly cloudy, with a low around 59. West southwest wind 13 to 20 mph, with gusts as high as 29 mph.

    Heavy Rain
    then Mostly
    Clear

    Low: 59 °F

  • Saturday

    Saturday: Sunny, with a high near 86. West southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of rain after 1am. Partly cloudy, with a low around 59. West wind 11 to 20 mph, with gusts as high as 30 mph.

    Mostly Clear
    then Slight
    Chance Rain

    Low: 59 °F

  • Sunday

    Sunday: A chance of rain, mainly between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. West southwest wind 11 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    Chance
    Showers

    High: 79 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 50. West northwest wind 9 to 17 mph, with gusts as high as 25 mph.

    Chance
    T-storms

    Low: 50 °F

  • Monday

    Monday: A chance of rain, mainly before 1pm. Mostly sunny, with a high near 73.

    Chance Rain

    High: 73 °F

Detailed Forecast

Today
Widespread haze after 1pm. Sunny, with a high near 94. Light and variable wind becoming east northeast 5 to 8 mph in the afternoon.
Tonight
A chance of rain and thunderstorms before 10pm, then a chance of rain between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rain. Widespread haze before 7pm. Mostly cloudy, with a low around 64. South southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of rain between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 87. West wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Some of the storms could produce heavy rain. Partly cloudy, with a low around 59. West southwest wind 13 to 20 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 86. West southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 59. West wind 11 to 20 mph, with gusts as high as 30 mph.
Sunday
A chance of rain, mainly between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. West southwest wind 11 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 50. West northwest wind 9 to 17 mph, with gusts as high as 25 mph.
Monday
A chance of rain, mainly before 1pm. Mostly sunny, with a high near 73.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 79.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 84.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
4:29 am MDT Aug 5, 2021
Forecast Valid:
11am MDT Aug 5, 2021-6pm MDT Aug 11, 2021
 
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