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.

22°F

-6°C

Humidity 82%
Wind Speed S 7 mph
Barometer 30.58 in (1038.6 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill13°F (-11°C)
Last update 27 Mar 10:56 pm CDT
Extended Forecast for

Grenville SD

Wind Advisory March 28, 07:00am until March 28, 05:00pm
Red Flag Warning March 28, 10:00am until March 28, 09:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 31 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Windy, with a southwest wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 58 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Southwest wind 8 to 10 mph becoming east after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 60. East northeast wind 9 to 11 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. East northeast wind around 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67. East wind 11 to 15 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 28. North northeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 18 to 21 mph, with gusts as high as 31 mph.

    High: 36 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. North wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 31 mph.
Saturday
Mostly sunny, with a high near 58. Windy, with a southwest wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 46 mph.
Saturday Night
Mostly cloudy, with a low around 34. Southwest wind 8 to 10 mph becoming east after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 60. East northeast wind 9 to 11 mph.
Sunday Night
Partly cloudy, with a low around 34. East northeast wind around 10 mph.
Monday
Partly sunny, with a high near 67. East wind 11 to 15 mph becoming south in the afternoon. Winds could gust as high as 24 mph.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 28. North northeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 18 to 21 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 19. North wind 10 to 18 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 34. Breezy. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 46. Breezy. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
Last Update:
10:36 pm CDT Mar 27, 2026
Forecast Valid:
11pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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