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.

73°F

23°C

Humidity 84%
Wind Speed S 8 mph
Barometer 30.04 in (1014.9 mb)
Dewpoint 68°F (20°C)
Visibility NA
Last update 12 Jul 1:56 am CDT
Extended Forecast for

Gwinner ND

Extreme Heat Warning July 12, 08:00am until July 14, 01:00am
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Clear, with a steady temperature around 73. South southwest wind 16 to 18 mph, with gusts as high as 29 mph.

    Low: 73 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 100. Breezy, with a south southwest wind 20 to 22 mph.

    High: 97 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Breezy, with a south southwest wind 17 to 23 mph, with gusts as high as 33 mph.

    Low: 73 °F

    Clear then
    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny and hot, with a high near 97. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 36 mph.

    High: 97 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Breezy, with a south wind 17 to 21 mph, with gusts as high as 31 mph.

    Low: 73 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Southwest wind 9 to 16 mph becoming east southeast in the afternoon.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. East northeast wind 11 to 15 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 93. East northeast wind 11 to 16 mph.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. East wind 16 to 18 mph.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 73. South southwest wind 16 to 18 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 100. Breezy, with a south southwest wind 20 to 22 mph.
Sunday Night
Mostly clear, with a low around 73. Breezy, with a south southwest wind 17 to 23 mph, with gusts as high as 33 mph.
Monday
Sunny and hot, with a high near 97. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 73. Breezy, with a south wind 17 to 21 mph, with gusts as high as 31 mph.
Tuesday
Sunny and hot, with a high near 97. Southwest wind 9 to 16 mph becoming east southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. East northeast wind 11 to 15 mph.
Wednesday
Mostly sunny and hot, with a high near 93. East northeast wind 11 to 16 mph.
Wednesday Night
Mostly clear, with a low around 70. East wind 16 to 18 mph.
Thursday
Mostly sunny and hot, with a high near 96. South wind around 18 mph.
Thursday Night
Partly cloudy, with a low around 70. Southeast wind 14 to 18 mph.
Friday
Mostly sunny and hot, with a high near 95. East southeast wind 15 to 17 mph.
Friday Night
Mostly clear, with a low around 69. East wind 13 to 17 mph becoming north after midnight.
Saturday
Mostly sunny and hot, with a high near 93. Breezy, with a northwest wind 13 to 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gwinner ND
 46.2°N 97.66°W
Last Update:
1:31 am CDT Jul 12, 2026
Forecast Valid:
2am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation