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.

77°F

25°C

Humidity 50%
Wind Speed W 10 G 21 mph
Barometer 29.98 in (1013.4 mb)
Dewpoint 57°F (14°C)
Visibility NA
Heat Index79°F (26°C)
Last update 12 Aug 12:56 pm CDT
Extended Forecast for

Gwinner ND

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Northwest wind around 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Areas of smoke after 10pm. Partly cloudy, with a low around 55. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Areas Smoke

  • Wednesday

    Wednesday: Areas of smoke before 9am. Sunny, with a high near 80. Light and variable wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 80 °F

    Areas Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 62. East southeast wind around 14 mph, with gusts as high as 22 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 84. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.

    High: 84 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 63. South wind around 9 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 77. Northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind around 10 mph.

    Low: 60 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Northwest wind around 10 mph.
Tonight
Areas of smoke after 10pm. Partly cloudy, with a low around 55. North northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Areas of smoke before 9am. Sunny, with a high near 80. Light and variable wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 62. East southeast wind around 14 mph, with gusts as high as 22 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 84. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.
Thursday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 63. South wind around 9 mph becoming north after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 77. Northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind around 10 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. East southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East southeast wind 9 to 13 mph, with gusts as high as 18 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.
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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:
12:45 pm CDT Aug 12, 2025
Forecast Valid:
1pm CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation