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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

FORT PECK DAM (GGWFP)

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

NA

39°F

4°C

Humidity 85%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 13 Oct 12:50 AM MDT
Extended Forecast for

Nashua MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 59 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. Light and variable wind becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56. Northwest wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Northwest wind 5 to 8 mph becoming east southeast after midnight.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Southeast wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. South southeast wind 5 to 9 mph.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. Calm wind.
Tuesday
Mostly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 25. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 35. Light and variable wind becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 56. Northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 28. Northwest wind 5 to 8 mph becoming east southeast after midnight.
Friday
Sunny, with a high near 64. Southeast wind 8 to 16 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 37. South southeast wind 5 to 9 mph.
Saturday
Sunny, with a high near 73. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 40. West southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nashua MT
 48.13°N 106.36°W (Elev. 2037 ft)
Last Update:
12:25 am MDT Oct 13, 2026
Forecast Valid:
1am MDT Oct 13, 2026-6pm MDT Oct 19, 2026
 
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