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

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Jamestown Municipal Airport (KJMS)

Lat: 46.93°NLon: 98.68°WElev: 1499ft.

Fair

81°F

27°C

Humidity 49%
Wind Speed W 16 G 23 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 12:56 pm CDT
Extended Forecast for

Tappen ND

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Northwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. North wind 5 to 8 mph becoming light and variable.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Southeast wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 8 to 11 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Northwest wind 6 to 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. Breezy, with a north wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Northwest wind 11 to 14 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 75. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 51. North wind 5 to 8 mph becoming light and variable.
Wednesday
Sunny, with a high near 81. Southeast wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind 8 to 11 mph.
Thursday
Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 58. Northwest wind 6 to 10 mph.
Friday
Sunny, with a high near 81. Breezy, with a north wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Mostly clear, with a low around 54. Northeast wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 79. Northeast wind 5 to 11 mph.
Saturday Night
Partly cloudy, with a low around 56. East wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 81. Breezy, with a southeast wind 14 to 22 mph, with gusts as high as 32 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tappen ND
 46.88°N 99.63°W
Last Update:
12:46 pm CDT Aug 17, 2026
Forecast Valid:
1pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation