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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

FORT PECK DAM (GGWFP)

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

NA

78°F

26°C

Humidity 54%
Wind Speed WNW 16 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Heat Index79°F (26°C)
Last update 17 Aug 10:52 AM MDT
Extended Forecast for

Fort Peck MT

  • Today

    Today: A slight chance of showers between noon and 1pm. Sunny, with a high near 88. West northwest wind around 7 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Increasing clouds, with a low around 63. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. South southeast wind 3 to 8 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East wind 5 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Southeast wind 5 to 9 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. Southeast wind 6 to 9 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. East southeast wind 6 to 10 mph becoming south southwest in the afternoon.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. West wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between noon and 1pm. Sunny, with a high near 88. West northwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Increasing clouds, with a low around 63. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. South southeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 63. East wind 5 to 8 mph.
Tuesday
Sunny and hot, with a high near 97. Southeast wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 68. Southeast wind 6 to 9 mph.
Wednesday
Sunny and hot, with a high near 99. East southeast wind 6 to 10 mph becoming south southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. West wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 83. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 55. North wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 79. North northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Peck MT
 48.02°N 106.47°W (Elev. 2205 ft)
Last Update:
2:28 am MDT Aug 17, 2025
Forecast Valid:
11am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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