Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

-3°C

26°F

Humidity 88%
Wind Speed E 31 km/h
Barometer 1015.0 mb (29.90 in)
Dewpoint -5°C (23°F)
Visibility NA
Wind Chill-11°C (12°F)
Last update 14 Mar 5:56 pm CDT
Extended Forecast for

Grenville SD

Blizzard Warning March 15, 03:00am until March 15, 07:00pm
Winter Storm Warning until March 15, 03:00am
Click here for hazard details and duration
Blizzard Warning
Winter Storm Warning
  •  
    Winter Storm Warning until March 15, 03:00am

    NOW until 3:00am Sun

    Winter Storm Warning

  • Tonight

    Low: -13 °C

    Heavy Snow
    and Blowing
    Snow

  • Sunday

    Sunday: Snow, mainly before 9am. The snow could be heavy at times.  Widespread blowing snow, mainly before 1pm. High near -8. Windy, with a north wind 48 to 55 km/h, with gusts as high as 75 km/h.  Chance of precipitation is 80%. New snow accumulation of 5 to 9 centimeters possible.

    High: -8 °C

    Heavy Snow
    and Blowing
    Snow then
    Blowing Snow
    and Windy

  • Sunday Night

    Sunday Night: Areas of blowing snow before 1am. Partly cloudy, with a low around -21. Wind chill values as low as -32. Blustery, with a north northwest wind 40 to 45 km/h decreasing to 27 to 32 km/h after midnight. Winds could gust as high as 65 km/h.

    Low: -21 °C

    Areas Blowing
    Snow and
    Blustery

  • Monday

    Monday: Sunny and cold, with a high near -13. Wind chill values as low as -33. Northwest wind 21 to 24 km/h, with gusts as high as 39 km/h.

    High: -13 °C

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -19. Northwest wind 10 to 13 km/h becoming south after midnight.

    Low: -19 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain.  Mostly cloudy, with a high near 0. South wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 47 km/h.  Chance of precipitation is 70%. Little or no ice accumulation expected.  New snow accumulation of less than a half centimeter possible.

    High: 0 °C

    Chance Snow
    then Wintry
    Mix Likely

  • Tuesday Night

    Tuesday Night: A slight chance of rain, snow, and freezing rain before 1am.  Mostly cloudy, with a low around -4. South southwest wind 16 to 23 km/h becoming west after midnight. Winds could gust as high as 39 km/h.  Chance of precipitation is 20%.

    Low: -4 °C

    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: Partly sunny, with a high near 4. West southwest wind 14 to 16 km/h.

    High: 4 °C

    Partly Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around -13. Blustery, with an east wind 35 to 40 km/h increasing to 42 to 47 km/h after midnight. Winds could gust as high as 70 km/h. Chance of precipitation is 100%. Total nighttime snow accumulation of 18 to 24 centimeters possible.
Sunday
Snow, mainly before 9am. The snow could be heavy at times. Widespread blowing snow, mainly before 1pm. High near -8. Windy, with a north wind 48 to 55 km/h, with gusts as high as 75 km/h. Chance of precipitation is 80%. New snow accumulation of 5 to 9 centimeters possible.
Sunday Night
Areas of blowing snow before 1am. Partly cloudy, with a low around -21. Wind chill values as low as -32. Blustery, with a north northwest wind 40 to 45 km/h decreasing to 27 to 32 km/h after midnight. Winds could gust as high as 65 km/h.
Monday
Sunny and cold, with a high near -13. Wind chill values as low as -33. Northwest wind 21 to 24 km/h, with gusts as high as 39 km/h.
Monday Night
Partly cloudy, with a low around -19. Northwest wind 10 to 13 km/h becoming south after midnight.
Tuesday
A chance of snow before 1pm, then snow likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 0. South wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 47 km/h. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half centimeter possible.
Tuesday Night
A slight chance of rain, snow, and freezing rain before 1am. Mostly cloudy, with a low around -4. South southwest wind 16 to 23 km/h becoming west after midnight. Winds could gust as high as 39 km/h. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 4. West southwest wind 14 to 16 km/h.
Wednesday Night
Partly cloudy, with a low around 1. Southwest wind 14 to 16 km/h.
Thursday
Mostly sunny, with a high near 10.
Thursday Night
Partly cloudy, with a low around 1.
Friday
Partly sunny, with a high near 15.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
Partly sunny, with a high near 14.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.37°W (Elev. 1795 m)
6:07 pm CDT Mar 14, 2026
6pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
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