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.

36°F

2°C

Humidity 73%
Wind Speed S 9 mph
Barometer 30.35 in (1028.8 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 17 Oct 1:56 am CDT
Extended Forecast for

5 Miles ENE Lake City 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: 42 °F

    Clear and
    Windy

  • Saturday

    Saturday: Sunny, with a high near 59. Breezy, with a south southwest wind 21 to 28 mph, with gusts as high as 43 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 39 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South southwest wind 8 to 16 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. North wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. East wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. South southeast wind around 9 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 42. Windy, with a south southwest wind 28 to 31 mph.
Saturday
Sunny, with a high near 59. Breezy, with a south southwest wind 21 to 28 mph, with gusts as high as 43 mph.
Saturday Night
Mostly clear, with a low around 47. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 39 mph.
Sunday
Mostly sunny, with a high near 63. South southwest wind 8 to 16 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 40. North wind around 6 mph.
Monday
Sunny, with a high near 58. East wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 42. South southeast wind around 9 mph.
Tuesday
Sunny, with a high near 63. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 48. South wind 10 to 13 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 70.
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 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Lake City SD
 45.76°N 97.32°W (Elev. 1949 ft)
Last Update:
2:21 am CDT Oct 17, 2026
Forecast Valid:
2am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation