Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

58°F

14°C

Humidity 48%
Wind Speed W 6 mph
Barometer 30.00 in (1015.3 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 18 Oct 9:56 am CDT
Extended Forecast for

5 Miles NE Grenville SD

  • Today

    Today: Sunny, with a high near 64. West southwest wind 5 to 8 mph becoming north northeast in the afternoon.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. North northeast wind 5 to 8 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. East wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. East wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. South wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. South southwest wind around 6 mph becoming north northeast in the afternoon.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North northeast wind around 5 mph becoming light and variable  after midnight.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. West southwest wind 5 to 8 mph becoming north northeast in the afternoon.
Tonight
Mostly clear, with a low around 43. North northeast wind 5 to 8 mph.
Monday
Sunny, with a high near 58. East wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 43. East wind around 7 mph.
Tuesday
Sunny, with a high near 63. South wind 8 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 48. South wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 66. South southwest wind around 6 mph becoming north northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. North northeast wind around 5 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 74. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A slight chance of showers. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Grenville SD
 45.5°N 97.31°W (Elev. 1841 ft)
10:16 am CDT Oct 18, 2026
10am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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