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

Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed NW 10 mph
Barometer 29.76 in (1007.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 30 Aug 10:56 pm CDT
Extended Forecast for

10 Miles NNW Wishek ND

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy early, then gradual clearing, with a low around 52. Light west wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 80. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Increasing clouds, with a low around 53. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. Calm wind becoming northeast 5 to 7 mph in the morning.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 56. East wind 5 to 7 mph.

    Low: 56 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Southeast wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Southeast wind around 16 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Northwest wind around 9 mph becoming east after midnight.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy early, then gradual clearing, with a low around 52. Light west wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Monday
Sunny, with a high near 80. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Monday Night
Increasing clouds, with a low around 53. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 78. Calm wind becoming northeast 5 to 7 mph in the morning.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56. East wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 82. Southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 85. Southeast wind around 16 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 60. Northwest wind around 9 mph becoming east after midnight.
Friday
Sunny, with a high near 87. Southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 62. East wind 11 to 13 mph.
Saturday
Sunny, with a high near 86. Southeast wind 13 to 18 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 61. East wind 10 to 15 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Wishek ND
 46.4°N 99.6°W
Last Update:
10:36 pm CDT Aug 30, 2026
Forecast Valid:
11pm CDT Aug 30, 2026-6pm CDT Sep 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation