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

4 Miles WNW Jamestown Municipal Airport ND

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Cloudy early, then gradual clearing, with a low around 55. West wind 9 to 14 mph, with gusts as high as 28 mph.

    Low: 55 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 79. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. West wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Northwest wind around 7 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Light east wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 59. East wind 8 to 11 mph.

    Low: 59 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 83. Southeast wind 10 to 14 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. East wind 6 to 9 mph becoming south after midnight.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Cloudy early, then gradual clearing, with a low around 55. West wind 9 to 14 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 79. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Mostly clear, with a low around 54. West wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 77. Northwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 56. Light and variable wind.
Wednesday
Mostly sunny, with a high near 80. Light east wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59. East wind 8 to 11 mph.
Thursday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. Southeast wind 10 to 14 mph.
Thursday Night
Mostly clear, with a low around 60. East wind 6 to 9 mph becoming south after midnight.
Friday
Sunny, with a high near 85. East wind 6 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 63. East wind 9 to 11 mph.
Saturday
Mostly sunny, with a high near 84. East wind 9 to 16 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 62. East wind 8 to 14 mph.
Sunday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Jamestown Municipal Airport ND
 46.96°N 98.77°W
10:36 pm CDT Aug 30, 2026
11pm CDT Aug 30, 2026-6pm CDT Sep 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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