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Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

12°F

-11°C

Humidity 80%
Wind Speed NW 20 mph
Barometer 29.83 in (1013.7 mb)
Dewpoint 7°F (-14°C)
Visibility NA
Wind Chill-6°F (-21°C)
Last update 19 Feb 5:56 pm CST
Extended Forecast for

Grenville SD

  • Tonight

    Tonight: Snow before 4am, then flurries likely between 4am and 5am. Low around 6. Northwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 6 °F

    Snow then
    Slight Chance
    Snow

  • Friday

    Friday: A chance of flurries before 9am. Mostly cloudy, with a high near 17. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 17 °F

    Chance
    Flurries

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. Northwest wind 8 to 10 mph.

    Low: 6 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 16. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 16 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. North northwest wind around 13 mph, with gusts as high as 21 mph.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 12. North northwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2. North northwest wind 5 to 10 mph becoming east after midnight.

    Low: -2 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 24. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. South wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow before 4am, then flurries likely between 4am and 5am. Low around 6. Northwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A chance of flurries before 9am. Mostly cloudy, with a high near 17. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 6. Northwest wind 8 to 10 mph.
Saturday
Partly sunny, with a high near 16. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 3. North northwest wind around 13 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 12. North northwest wind 13 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around -2. North northwest wind 5 to 10 mph becoming east after midnight.
Monday
Sunny, with a high near 24. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 18. South wind 13 to 16 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 ft)
Last Update:
6:06 pm CST Feb 19, 2026
Forecast Valid:
6pm CST Feb 19, 2026-6pm CST Feb 26, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation