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.

34°F

1°C

Humidity 85%
Wind Speed S 17 mph
Barometer 29.70 in (1007.3 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 8 Apr 2:56 am CDT
Extended Forecast for

Grenville SD

  • Overnight

    Overnight: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 47. Breezy, with a west wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Rain
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Blustery, with a west northwest wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.

    Low: 23 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of snow after 1pm. Partly sunny, with a high near 37. Northwest wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Northwest wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 49. West wind around 6 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 55. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 55 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Cloudy, with a low around 50. South southeast wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Overnight
A chance of rain, mainly after 5am. Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 47. Breezy, with a west wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 23. Blustery, with a west northwest wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.
Thursday
A chance of snow after 1pm. Partly sunny, with a high near 37. Northwest wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 25. Northwest wind around 6 mph.
Friday
Sunny, with a high near 49. West wind around 6 mph.
Friday Night
Partly cloudy, with a low around 36. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 55. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday Night
A chance of rain. Cloudy, with a low around 50. South southeast wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Sunday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Partly cloudy, with a low around 47. Chance of precipitation is 50%.
Monday
Rain likely. Partly sunny, with a high near 56. Breezy. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Tuesday
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
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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:
3:16 am CDT Apr 8, 2026
Forecast Valid:
3am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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