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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

Breezy

52°F

11°C

Humidity 43%
Wind Speed SW 24 G 36 mph
Barometer 30.14 in (1021.6 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 17 Oct 9:56 am CDT
Extended Forecast for

5 Miles N Summit SD

  • Today

    Today: Sunny, with a high near 60. Windy, with a southwest wind 26 to 31 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 60 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 47. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 38 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 64. Breezy, with a southwest wind 15 to 20 mph becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 64 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. North wind 3 to 6 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. North northeast wind 6 to 10 mph becoming east southeast in the afternoon.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. South southeast wind around 8 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. South southeast wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. South southwest wind around 9 mph.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 60. Windy, with a southwest wind 26 to 31 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph.
Tonight
Mostly clear, with a low around 47. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 38 mph.
Sunday
Sunny, with a high near 64. Breezy, with a southwest wind 15 to 20 mph becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Mostly clear, with a low around 42. North wind 3 to 6 mph.
Monday
Sunny, with a high near 59. North northeast wind 6 to 10 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 43. South southeast wind around 8 mph.
Tuesday
Sunny, with a high near 64. South southeast wind 8 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 69. South southwest wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Friday
A chance of showers. Partly sunny, with a high near 72. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Summit SD
 45.38°N 97.03°W (Elev. 1850 ft)
Last Update:
9:21 am CDT Oct 17, 2026
Forecast Valid:
10am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation