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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

FORT PECK DAM (GGWFP)

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

NA

74°F

23°C

Humidity 59%
Wind Speed ESE 18 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 17 Aug 12:54 AM MDT
Extended Forecast for

3 Miles NE Fort Peck MT

  • Overnight

    Overnight: A slight chance of showers between 2am and 3am. Partly cloudy, with a low around 62. East wind 5 to 9 mph becoming light northeast. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight. Increasing clouds, with a low around 64. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 90. East southeast wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East wind 3 to 7 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. East southeast wind 7 to 9 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. East wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 64. Northwest wind 6 to 10 mph.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers between 2am and 3am. Partly cloudy, with a low around 62. East wind 5 to 9 mph becoming light northeast. Chance of precipitation is 20%.
Sunday
A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 89. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight. Increasing clouds, with a low around 64. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Monday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 90. East southeast wind 3 to 8 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 63. East wind 3 to 7 mph.
Tuesday
Sunny and hot, with a high near 96. Light east wind becoming southeast 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 68. East southeast wind 7 to 9 mph.
Wednesday
Sunny and hot, with a high near 98. East wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 64. Northwest wind 6 to 10 mph.
Thursday
Sunny, with a high near 85. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 55. North northeast wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Fort Peck MT
 48.04°N 106.41°W (Elev. 2096 ft)
Last Update:
7:02 pm MDT Aug 16, 2025
Forecast Valid:
1am 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