Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

46°F

8°C

Humidity 79%
Wind Speed N 8 mph
Barometer 30.19 in (1022.8 mb)
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 14 Oct 6:56 am CDT
Extended Forecast for

6 Miles NE Grenville SD

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 55. North northwest wind around 5 mph becoming calm  in the morning.

    High: 55 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A chance of showers, mainly after 2am.  Increasing clouds, with a low around 42. Light and variable wind becoming east southeast around 5 mph.  Chance of precipitation is 30%.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 57. Breezy, with a west southwest wind 5 to 10 mph becoming northwest 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Showers then
    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers before 1am.  Mostly cloudy, with a low around 37. Breezy, with a northwest wind around 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 51. Breezy, with a north northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 51 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 37. South southwest wind 5 to 10 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 30 mph.

    Low: 37 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 38 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. South southwest wind 16 to 18 mph, with gusts as high as 34 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 55. North northwest wind around 5 mph becoming calm in the morning.
Tonight
A chance of showers, mainly after 2am. Increasing clouds, with a low around 42. Light and variable wind becoming east southeast around 5 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 57. Breezy, with a west southwest wind 5 to 10 mph becoming northwest 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 37. Breezy, with a northwest wind around 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 51. Breezy, with a north northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Clear, with a low around 37. South southwest wind 5 to 10 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 63. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 46. South southwest wind 16 to 18 mph, with gusts as high as 34 mph.
Sunday
Mostly sunny, with a high near 67. South southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 65.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Grenville SD
 45.53°N 97.28°W (Elev. 1877 ft)
6:46 am CDT Oct 14, 2026
7am CDT Oct 14, 2026-6pm CDT Oct 20, 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