Fire Weather Conditions Persist in the Southern Plains; Heavy Rain and Mountain Snow in the Pacific Northwest

A Pacific system will continue to bring moderate to heavy low elevation rain from northern California to western Washington, and heavy snow to the Cascades and Intermountain West over the next several days. Elevated to critical fire weather conditions will persist across the southern Rockies and Southern Plains through Wednesday as gusty winds and dry conditions continue across the region. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

9°F

-13°C

Humidity 80%
Wind Speed NW 12 mph
Barometer 29.76 in (1010.8 mb)
Dewpoint 4°F (-16°C)
Visibility NA
Wind Chill-6°F (-21°C)
Last update 25 Feb 3:56 am CST
Extended Forecast for

Grenville SD

  • Today

    Today: A slight chance of snow between 3pm and 5pm.  Mostly sunny, with a high near 25. Calm wind becoming northwest around 6 mph in the morning.  Chance of precipitation is 20%.

    High: 25 °F

    Sunny then
    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 40. West wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. West southwest wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 42. Breezy, with a west southwest wind 18 to 21 mph becoming north northwest in the afternoon. Winds could gust as high as 32 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A chance of snow after midnight.  Mostly cloudy, with a low around 10. North wind 14 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Low: 10 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow before noon.  Mostly cloudy, with a high near 15. North wind 11 to 14 mph.  Chance of precipitation is 40%.

    High: 15 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 3. North northeast wind 8 to 10 mph becoming east southeast after midnight.

    Low: 3 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after noon.  Mostly cloudy, with a high near 20. Southeast wind 8 to 11 mph.  Chance of precipitation is 30%.

    High: 20 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of snow between 3pm and 5pm. Mostly sunny, with a high near 25. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 20. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 40. West wind 14 to 17 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 30. West southwest wind 13 to 18 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 42. Breezy, with a west southwest wind 18 to 21 mph becoming north northwest in the afternoon. Winds could gust as high as 32 mph.
Friday Night
A chance of snow after midnight. Mostly cloudy, with a low around 10. North wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
A chance of snow before noon. Mostly cloudy, with a high near 15. North wind 11 to 14 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 3. North northeast wind 8 to 10 mph becoming east southeast after midnight.
Sunday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 20. Southeast wind 8 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 ft)
3:42 am CST Feb 25, 2026
4am CST Feb 25, 2026-6pm CST Mar 3, 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