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.

63°F

17°C

Humidity 97%
Wind Speed NW 9 mph
Barometer 29.82 in (1007.7 mb)
Dewpoint 62°F (17°C)
Visibility NA
Last update 4 Sep 2:56 am CDT
Extended Forecast for

Gwinner ND

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 57. North northeast wind around 6 mph.

    Low: 57 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 86. North wind 5 to 9 mph becoming east in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 65. East wind 9 to 11 mph.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 95. East southeast wind 10 to 16 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. East southeast wind 8 to 13 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 85. Southeast wind 8 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 10pm. Mostly cloudy, with a low around 63. East southeast wind 10 to 14 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Breezy, with an east southeast wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 57. North northeast wind around 6 mph.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 86. North wind 5 to 9 mph becoming east in the afternoon.
Friday Night
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 65. East wind 9 to 11 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 95. East southeast wind 10 to 16 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. East southeast wind 8 to 13 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 85. Southeast wind 8 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 10pm. Mostly cloudy, with a low around 63. East southeast wind 10 to 14 mph. Chance of precipitation is 60%.
Labor Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Breezy, with an east southeast wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 82. South southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 56. West northwest wind 8 to 13 mph.
Wednesday
Mostly sunny, with a high near 78. Breezy, with a west wind 11 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52. Northwest wind 7 to 14 mph.
Thursday
Mostly sunny, with a high near 74. North northwest wind 7 to 14 mph becoming east southeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gwinner ND
 46.22°N 97.66°W
Last Update:
3:36 am CDT Sep 4, 2026
Forecast Valid:
3am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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