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

Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

35°F

2°C

Humidity 70%
Wind Speed W 15 mph
Barometer 30.02 in (1018.0 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 12 Jan 4:56 am CST
Extended Forecast for

Grenville SD

  • Today

    Today: Increasing clouds, with a high near 40. West southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 40 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 40 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow. Mostly cloudy, with a low around 12. Blustery, with a north wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 12 °F

    Blustery.
    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19. Blustery, with a north wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 19 °F

    Mostly Sunny
    and Blustery
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13. North wind 6 to 15 mph becoming south in the evening. Winds could gust as high as 23 mph.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 36. Breezy, with a south wind 16 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely. Patchy blowing snow after 8pm. Mostly cloudy, with a low around 15. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow likely, mainly before noon. Patchy blowing snow. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 23 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely
    and Patchy
    Blowing Snow

Detailed Forecast

Today
Increasing clouds, with a high near 40. West southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 34. West wind 15 to 18 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 40. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.
Tuesday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow. Mostly cloudy, with a low around 12. Blustery, with a north wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 19. Blustery, with a north wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 13. North wind 6 to 15 mph becoming south in the evening. Winds could gust as high as 23 mph.
Thursday
A chance of snow. Partly sunny, with a high near 36. Breezy, with a south wind 16 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 40%.
Thursday Night
Snow likely. Patchy blowing snow after 8pm. Mostly cloudy, with a low around 15. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Friday
Snow likely, mainly before noon. Patchy blowing snow. Mostly cloudy, with a high near 26. Blustery, with a north northwest wind 23 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of snow. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 2. Blustery. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 13.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
Last Update:
4:37 am CST Jan 12, 2026
Forecast Valid:
5am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation