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

A Wintry Mix in the Northeast; Rain and High Elevation Snow Returns to California

A clipper system tracking across the U.S./Canadian border will bring snowfall and mixed precipitation across the Northeast. A modest atmospheric river associated with a Pacific system will bring lower elevation/coastal rain, high elevation snow/wintry mix, and gusty winds in California into the Intermountain West. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

35°F

2°C

Humidity 76%
Wind Speed NW 18 mph
Barometer 29.99 in (1016.9 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 10 Feb 2:56 am CST
Extended Forecast for

Grenville SD

  • Overnight

    Overnight: Cloudy, with a steady temperature around 32. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 36. Northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 36 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West northwest wind 5 to 8 mph becoming south southeast after midnight.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. South wind 7 to 10 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. South southeast wind around 7 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Southeast wind around 7 mph becoming southwest after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49. South southwest wind 7 to 10 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. South southwest wind around 10 mph.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 32. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 30 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 36. Northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 24. West northwest wind 5 to 8 mph becoming south southeast after midnight.
Wednesday
Mostly sunny, with a high near 45. South wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 44. South southeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 29. Southeast wind around 7 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 49. South southwest wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 32. South southwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 32.
Washington's Birthday
Mostly sunny, with a high near 49.
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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:
3:01 am CST Feb 10, 2026
Forecast Valid:
3am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation