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

58°F

14°C

Humidity 86%
Wind Speed NNE 16 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 19 Sep 08:50 AM MDT
Extended Forecast for

Fort Peck MT

  • Today

    Today: Cloudy, with a high near 68. East northeast wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 68 °F

    Cloudy

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a chance of showers after 2am. Cloudy, with a low around 52. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers between 9am and 2pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 63. East wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 63 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. East southeast wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69. South southeast wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Southeast wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. South southeast wind 7 to 9 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southeast wind 5 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. East southeast wind around 6 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 68. East northeast wind 11 to 14 mph, with gusts as high as 24 mph.
Tonight
A slight chance of showers before 11pm, then a chance of showers after 2am. Cloudy, with a low around 52. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers between 9am and 2pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 63. East wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 50. East southeast wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 69. South southeast wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 53. Southeast wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 75. South southeast wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 55. Southeast wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 77. East southeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 56. Southeast wind 5 to 8 mph.
Thursday
Sunny, with a high near 78. Southeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Peck MT
 48°N 106.47°W (Elev. 2254 ft)
Last Update:
4:01 am MDT Sep 19, 2026
Forecast Valid:
9am MDT Sep 19, 2026-6pm MDT Sep 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation