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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

FORT PECK DAM (GGWFP)

Lat: 48.0084°NLon: 106.3962°WElev: 2280.0ft.

NA

69°F

21°C

Humidity 65%
Wind Speed ESE 9 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 29 Aug 01:50 AM MDT
Extended Forecast for

Fort Peck MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 77. Light and variable wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 59. North wind 6 to 10 mph becoming east in the evening.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 3pm. High near 68. North northeast wind 6 to 11 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. West southwest wind 13 to 21 mph, with gusts as high as 31 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 72 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. West northwest wind 5 to 13 mph becoming east after midnight. Winds could gust as high as 23 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. East southeast wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. East wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Southeast wind around 5 mph.
Saturday
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 77. Light and variable wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 59. North wind 6 to 10 mph becoming east in the evening.
Sunday
Showers and possibly a thunderstorm, mainly before 3pm. High near 68. North northeast wind 6 to 11 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%.
Sunday Night
Partly cloudy, with a low around 55. West southwest wind 13 to 21 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 72. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 55. West northwest wind 5 to 13 mph becoming east after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 77. East southeast wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 59. East wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59. West northwest wind 6 to 9 mph becoming east southeast after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Peck MT
 48.02°N 106.44°W (Elev. 2037 ft)
Last Update:
12:51 am MDT Aug 29, 2026
Forecast Valid:
2am MDT Aug 29, 2026-6pm MDT Sep 4, 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