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Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

Breezy

46°F

8°C

Humidity 42%
Wind Speed NW 21 G 35 mph
Barometer 29.80 in (1010.3 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 17 Apr 3:56 pm CDT
Extended Forecast for

Grenville SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 42. Breezy, with a northwest wind around 23 mph, with gusts as high as 37 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of showers before 7pm. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 10%.

    Low: 23 °F

    Slight Chance
    Showers and
    Blustery then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41. Breezy, with a west northwest wind 17 to 21 mph, with gusts as high as 33 mph.

    High: 41 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. West wind 8 to 18 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44. North wind 7 to 9 mph.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. North wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 65. North northeast wind around 9 mph.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 42. Breezy, with a northwest wind around 23 mph, with gusts as high as 37 mph.
Tonight
A slight chance of showers before 7pm. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 10%.
Saturday
Sunny, with a high near 41. Breezy, with a west northwest wind 17 to 21 mph, with gusts as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 26. West wind 8 to 18 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 44. North wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 30. North wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 65. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 40. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.
Tuesday
Sunny, with a high near 65. North northeast wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 78. Breezy.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 71. 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:
3:36 pm CDT Apr 17, 2026
Forecast Valid:
4pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation