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

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

42°F

6°C

Humidity 58%
Wind Speed S 17 G 26 mph
Barometer 30.33 in (1027.7 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 17 Oct 2:56 am CDT
Extended Forecast for

9 Miles SW Sisseton SD

Frost Advisory until October 17, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until October 17, 09:00am

    NOW until 9:00am Sat

    Frost Advisory

  • Overnight

    Low: 41 °F

    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 59. Breezy, with a southwest wind 20 to 28 mph, with gusts as high as 40 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 37 mph.

    Low: 46 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 63. Southwest wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. North northeast wind 5 to 7 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. Northeast wind 6 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 58 °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 63. South southeast wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 41. Breezy, with a southwest wind around 25 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 59. Breezy, with a southwest wind 20 to 28 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 46. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 37 mph.
Sunday
Sunny, with a high near 63. Southwest wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly clear, with a low around 41. North northeast wind 5 to 7 mph.
Monday
Sunny, with a high near 58. Northeast wind 6 to 10 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 43. South southeast wind around 8 mph.
Tuesday
Sunny, with a high near 63. South southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Friday
A chance of showers. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Sisseton SD
 45.57°N 97.19°W (Elev. 1946 ft)
Last Update:
3:21 am CDT Oct 17, 2026
Forecast Valid:
3am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation