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

63°F

17°C

Humidity 70%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 18 Sep 11:50 PM MDT
Extended Forecast for

Fort Peck MT

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 55. Northeast wind around 9 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 68. East northeast wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 1am and 2am. Cloudy, with a low around 52. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before noon. Cloudy, with a high near 64. East wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. East southeast wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. East southeast wind around 9 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southeast wind 5 to 7 mph.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 55. Northeast wind around 9 mph.
Saturday
A 40 percent chance of showers, mainly after 10am. Mostly cloudy, with a high near 68. East northeast wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Showers likely, mainly between 1am and 2am. Cloudy, with a low around 52. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before noon. Cloudy, with a high near 64. East wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 51. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 71. East southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 52. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 78. East southeast wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 54. Southeast wind 5 to 7 mph.
Wednesday
Sunny, with a high near 79. East southeast wind 5 to 7 mph becoming south in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. Southeast wind around 6 mph.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Peck MT
 48.02°N 106.47°W (Elev. 2205 ft)
Last Update:
3:56 pm MDT Sep 18, 2026
Forecast Valid:
12am MDT Sep 19, 2026-6pm MDT Sep 25, 2026
 
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Additional Resources

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Chance of Precipitation