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.

69°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 29.82 in (1007.9 mb)
Dewpoint 67°F (19°C)
Visibility NA
Last update 25 Jul 7:56 am CDT
Extended Forecast for

Gwinner ND

Heat Advisory July 25, 01:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Patchy smoke after 1pm. Sunny and hot, with a high near 96. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 96 °F

    Sunny then
    Patchy Smoke

  • Tonight

    Tonight: Partly cloudy, with a low around 72. West wind 9 to 11 mph becoming south southeast in the evening.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South wind 8 to 11 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South southeast wind 11 to 13 mph becoming north northwest after midnight.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. North northwest wind 10 to 14 mph.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. North wind 9 to 14 mph becoming light north northeast after midnight.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. East wind 5 to 9 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. East wind 8 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 93. South wind 8 to 13 mph.

    High: 93 °F

    Hot

Detailed Forecast

Today
Patchy smoke after 1pm. Sunny and hot, with a high near 96. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 72. West wind 9 to 11 mph becoming south southeast in the evening.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South wind 8 to 11 mph.
Sunday Night
Mostly clear, with a low around 70. South southeast wind 11 to 13 mph becoming north northwest after midnight.
Monday
Sunny and hot, with a high near 94. North northwest wind 10 to 14 mph.
Monday Night
Partly cloudy, with a low around 68. North wind 9 to 14 mph becoming light north northeast after midnight.
Tuesday
Sunny and hot, with a high near 93. East wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 68. East wind 8 to 10 mph.
Wednesday
Mostly sunny and hot, with a high near 93. South wind 8 to 13 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South southeast wind 8 to 13 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. South wind 8 to 11 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 67. South wind 7 to 10 mph becoming north after midnight.
Friday
Sunny and hot, with a high near 91. West northwest wind 7 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gwinner ND
 46.22°N 97.63°W
Last Update:
8:36 am CDT Jul 25, 2026
Forecast Valid:
8am CDT Jul 25, 2026-6pm CDT Jul 31, 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