Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

Windy

46°F

8°C

Humidity 46%
Wind Speed NW 32 G 41 mph
Barometer 29.85 in (1011.6 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 27 Feb 1:56 pm CST
Extended Forecast for

Grenville SD

Winter Weather Advisory February 28, 03:00am until February 28, 03:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 42. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 32 mph.

    High: 42 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Snow, mainly after 1am.  Low around 9. North northwest wind 11 to 17 mph becoming east northeast after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Mostly Cloudy
    then Snow

  • Saturday

    Saturday: Snow, mainly before 11am.  High near 12. East northeast wind 11 to 14 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 12 °F

    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -1. North northeast wind 6 to 10 mph.

    Low: -1 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A slight chance of snow before noon.  Mostly cloudy, with a high near 19. Southeast wind 6 to 10 mph.  Chance of precipitation is 20%.

    High: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. South wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. South wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. South wind 9 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. North northeast wind 7 to 10 mph.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 42. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 32 mph.
Tonight
Snow, mainly after 1am. Low around 9. North northwest wind 11 to 17 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow, mainly before 11am. High near 12. East northeast wind 11 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -1. North northeast wind 6 to 10 mph.
Sunday
A slight chance of snow before noon. Mostly cloudy, with a high near 19. Southeast wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 12. South wind 10 to 14 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 36. South wind 11 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 25. South wind 9 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 36. North northeast wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 ft)
1:36 pm CST Feb 27, 2026
2pm CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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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