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Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. Read More >

Hazardous Weather Conditions

Current conditions at

FORT PECK DAM (GGWFP)

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

NA

60°F

16°C

Humidity 61%
Wind Speed ESE 9 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 16 Jun 04:48 AM MDT
Extended Forecast for

Nashua MT

Lake Wind Advisory June 16, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Lake Wind Advisory

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 53. Southeast wind around 5 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. East southeast wind 6 to 11 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 87 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 2am. Low around 52. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers then
    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 70. Breezy, with a west northwest wind 20 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 46. North northwest wind 6 to 16 mph, with gusts as high as 28 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. West northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. North wind 3 to 6 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. North northeast wind 7 to 13 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 53. Southeast wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. East southeast wind 6 to 11 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Showers and thunderstorms, mainly before 2am. Low around 52. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 70. Breezy, with a west northwest wind 20 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 46. North northwest wind 6 to 16 mph, with gusts as high as 28 mph.
Thursday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 73. West northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 46. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 77. North wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 52. North northeast wind 7 to 13 mph becoming east after midnight. Winds could gust as high as 21 mph.
Saturday
Partly sunny, with a high near 81. East southeast wind 14 to 18 mph, with gusts as high as 30 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East wind 15 to 21 mph, with gusts as high as 31 mph.
Sunday
A chance of showers. Partly sunny, with a high near 74.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 49.
Monday
A slight chance of showers. Partly sunny, with a high near 74.
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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:
3:46 am MDT Jun 16, 2026
Forecast Valid:
5am MDT Jun 16, 2026-6pm MDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation