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

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

39°F

4°C

Humidity 96%
Wind Speed Calm
Barometer 29.77 in (1008.9 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 14 Apr 11:56 pm CDT
Extended Forecast for

Grenville SD

Fire Weather Watch April 16, 11:00am until April 16, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 40. Calm wind becoming south around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles before 7am. Partly sunny, then gradually becoming sunny, with a high near 68. Southwest wind 6 to 10 mph.

    High: 68 °F

    Chance
    Sprinkles

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. South wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Mostly cloudy, with a low around 36. Southwest wind 14 to 17 mph becoming northeast in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of rain and snow showers. Mostly cloudy, with a high near 44. Breezy, with a north wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.

    High: 44 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A slight chance of snow showers. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Saturday

    Saturday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 37. Breezy, with a northwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.

    Low: 24 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. Calm wind becoming south around 6 mph.
Wednesday
A chance of sprinkles before 7am. Partly sunny, then gradually becoming sunny, with a high near 68. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 46. South wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 75. South wind 11 to 18 mph, with gusts as high as 29 mph.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 36. Southwest wind 14 to 17 mph becoming northeast in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 44. Breezy, with a north wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 37. Breezy, with a northwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 24. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
Last Update:
11:52 pm CDT Apr 14, 2026
Forecast Valid:
12am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation