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

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

81°F

27°C

Humidity 74%
Wind Speed SE 9 mph
Barometer 29.87 in (1009.3 mb)
Dewpoint 72°F (22°C)
Visibility NA
Heat Index85°F (29°C)
Last update 3 Jul 9:56 am CDT
Extended Forecast for

Gwinner ND

  • Today

    Today: Mostly sunny and hot, with a high near 90. Heat index values as high as 97. Southeast wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 74. South southeast wind 9 to 14 mph, with gusts as high as 30 mph.

    Low: 74 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. South southwest wind 11 to 18 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. South southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 77. North northwest wind 14 to 18 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. North wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74. North wind 8 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57. East southeast wind 6 to 8 mph.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny and hot, with a high near 90. Heat index values as high as 97. Southeast wind 8 to 16 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 74. South southeast wind 9 to 14 mph, with gusts as high as 30 mph.
Independence Day
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. South southwest wind 11 to 18 mph, with gusts as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. South southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 77. North northwest wind 14 to 18 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 55. North wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 74. North wind 8 to 10 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 57. East southeast wind 6 to 8 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. Southeast wind 9 to 11 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. West wind 9 to 11 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. North wind 6 to 9 mph becoming south after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 83. West wind 7 to 10 mph becoming north in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gwinner ND
 46.22°N 97.66°W
Last Update:
10:30 am CDT Jul 3, 2025
Forecast Valid:
10am CDT Jul 3, 2025-6pm CDT Jul 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation