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

Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

49°F

9°C

Humidity 52%
Wind Speed N 20 mph
Barometer 30.10 in (1020.1 mb)
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 11 Nov 2:56 pm CST
Extended Forecast for

Grenville SD

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 47. North wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. North wind 9 to 11 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. North wind 5 to 9 mph becoming light in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37. East southeast wind 3 to 7 mph.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. South southeast wind 7 to 10 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 38. South southeast wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. South southeast wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41. South southeast wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Mostly sunny, with a high near 47. North wind 11 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 28. North wind 9 to 11 mph.
Thursday
Mostly sunny, with a high near 36. North wind 5 to 9 mph becoming light in the afternoon.
Thursday Night
Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 37. East southeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 25. South southeast wind 7 to 10 mph.
Saturday
Sunny, with a high near 38. South southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 30. South southeast wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 41. South southeast wind 10 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
Last Update:
2:21 pm CST Nov 11, 2026
Forecast Valid:
3pm CST Nov 11, 2026-6pm CST Nov 17, 2026
 
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