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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

FORT PECK DAM (GGWFP)

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

NA

59°F

15°C

Humidity 96%
Wind Speed ENE 19 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 20 Sep 12:50 PM MDT
Extended Forecast for

14 Miles SW Fort Peck MT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly before 3pm. Cloudy, with a high near 63. East wind around 10 mph.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. East southeast wind 6 to 10 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 70. South southeast wind 6 to 11 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South southeast wind around 11 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Southeast wind 6 to 9 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. East southeast wind around 5 mph becoming south southwest in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. East southeast wind around 5 mph becoming south after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

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

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly before 3pm. Cloudy, with a high near 63. East wind around 10 mph.
Tonight
Mostly cloudy, with a low around 51. East southeast wind 6 to 10 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 70. South southeast wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 52. South southeast wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 76. South southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 55. Southeast wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 77. East southeast wind around 5 mph becoming south southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. East southeast wind around 5 mph becoming south after midnight.
Thursday
Sunny, with a high near 82. South wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 59. Southeast wind 7 to 13 mph.
Friday
Sunny, with a high near 82. South southeast wind 10 to 15 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Fort Peck MT
 47.84°N 106.64°W (Elev. 2362 ft)
Last Update:
12:41 pm MDT Sep 20, 2026
Forecast Valid:
1pm MDT Sep 20, 2026-6pm MDT Sep 26, 2026
 
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Additional Resources

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