National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Wintry Precipitation for the Northeast; Increasing Severe Weather Threat from the Plains to the Midwest

Wintry mixed precipitation will spread across the Northeast today, with light snow and ice accumulations forecast through southern New England. Meanwhile, the threat of severe weather will be increasing from the southern Plains to the Midwest, with rounds of showers and thunderstorms, some severe, expected each day through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

43°F

6°C

Humidity 80%
Wind Speed SW 8 mph
Barometer 30.10 in (1020.7 mb)
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 3 Mar 5:56 pm CST
Extended Forecast for

Grenville SD

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 32. South southwest wind 5 to 11 mph.

    Low: 32 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 51. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Widespread dense fog between 10pm and 4am. Otherwise, partly cloudy, with a low around 32. South southeast wind around 10 mph.

    Low: 32 °F

    Dense Fog

  • Thursday

    Thursday: Partly sunny, with a high near 57. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 32. South southeast wind around 14 mph becoming north northeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 41. Breezy, with a north wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 41 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 23. North wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 46. Breezy, with a west northwest wind 13 to 21 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.

    High: 46 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 32. South southwest wind 5 to 11 mph.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 51. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Widespread dense fog between 10pm and 4am. Otherwise, partly cloudy, with a low around 32. South southeast wind around 10 mph.
Thursday
Partly sunny, with a high near 57. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 32. South southeast wind around 14 mph becoming north northeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Friday
A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 41. Breezy, with a north wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 23. North wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46. Breezy, with a west northwest wind 13 to 21 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Mostly cloudy, with a low around 37. Southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 58.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 40. Breezy. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 ft)
Last Update:
5:36 pm CST Mar 3, 2026
Forecast Valid:
6pm CST Mar 3, 2026-6pm CDT Mar 10, 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