Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

59°F

15°C

Humidity 49%
Wind Speed W 12 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 19 Mar 11:56 pm CDT
Extended Forecast for

Grenville SD

  • Overnight

    Overnight: Partly cloudy, with a low around 37. North northwest wind 5 to 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog between 8am and 10am.  Otherwise, mostly sunny, with a high near 61. North northwest wind 5 to 11 mph becoming southwest in the morning.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Southwest wind 7 to 10 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Southwest wind 10 to 14 mph becoming west northwest in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am.  Mostly cloudy, with a low around 33. North northeast wind 14 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 42. North northwest wind 16 to 18 mph, with gusts as high as 26 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. North northwest wind 7 to 13 mph becoming east after midnight.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 49. South wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. South wind 9 to 15 mph becoming east after midnight. Winds could gust as high as 23 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. North northwest wind 5 to 8 mph.
Friday
Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 61. North northwest wind 5 to 11 mph becoming southwest in the morning.
Friday Night
Partly cloudy, with a low around 42. Southwest wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 70. Southwest wind 10 to 14 mph becoming west northwest in the afternoon.
Saturday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 33. North northeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 42. North northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 24. North northwest wind 7 to 13 mph becoming east after midnight.
Monday
Partly sunny, with a high near 49. South wind 8 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 33. South wind 9 to 15 mph becoming east after midnight. Winds could gust as high as 23 mph.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 40. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
11:36 pm CDT Mar 19, 2026
12am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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