Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

FORT PECK DAM (GGWFP)

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

NA

52°F

11°C

Humidity 82%
Wind Speed E 14 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 17 Sep 12:50 AM MDT
Extended Forecast for

Nashua MT

Lake Wind Advisory September 17, 12:00pm until September 18, 12:00am
Click here for hazard details and duration
Lake Wind Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 44. East wind around 8 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 75. East southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. East wind 9 to 18 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after noon.  Partly sunny, with a high near 80. East southeast wind around 7 mph becoming west southwest in the afternoon.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am.  Mostly cloudy, with a low around 55. Northeast wind 9 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 70. East northeast wind 11 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely.  Mostly cloudy, with a low around 52. East wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers.  Mostly cloudy, with a high near 72. East wind around 9 mph.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. East wind 6 to 8 mph.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 44. East wind around 8 mph.
Thursday
Mostly sunny, with a high near 75. East southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Thursday Night
Mostly cloudy, with a low around 55. East wind 9 to 18 mph, with gusts as high as 30 mph.
Friday
A 30 percent chance of showers after noon. Partly sunny, with a high near 80. East southeast wind around 7 mph becoming west southwest in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 55. Northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. East northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 52. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 72. East wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 51. East wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 76. East southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 51. Southeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Nashua MT
 48.15°N 106.36°W (Elev. 2100 ft)
3:31 pm MDT Sep 16, 2026
1am MDT Sep 17, 2026-6pm MDT Sep 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database