Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

78°F

26°C

Humidity 52%
Wind Speed S 17 G 36 mph
Barometer 29.76 in (1005.3 mb)
Dewpoint 59°F (15°C)
Visibility NA
Heat Index79°F (26°C)
Last update 4 Oct 12:56 am CDT
Extended Forecast for

Grenville SD

  • Overnight

    Overnight: Mostly clear, with a low around 69. South wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Breezy, with a south wind 20 to 22 mph, with gusts as high as 34 mph.

    High: 84 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph.

    Low: 60 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: A chance of showers before 1pm.  Partly sunny, with a high near 69. Breezy, with a south southwest wind 21 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. North northwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. West wind 6 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West southwest wind 6 to 9 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. West northwest wind 7 to 9 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. North wind 5 to 8 mph becoming southeast after midnight.

    Low: 43 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 69. South wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 84. Breezy, with a south wind 20 to 22 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 60. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 69. Breezy, with a south southwest wind 21 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 42. North northwest wind 8 to 15 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 57. West wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 43. West southwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 60. West northwest wind 7 to 9 mph.
Tuesday Night
Clear, with a low around 43. North wind 5 to 8 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A slight chance of showers. Sunny, with a high near 69. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
12:46 am CDT Oct 4, 2025
1am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

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