Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

71°F

22°C

Humidity 66%
Wind Speed S 20 G 35 mph
Barometer 29.45 in (996.2 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 12 Oct 11:56 am CDT
Extended Forecast for

5 Miles S Sisseton SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Breezy, with a south wind 22 to 25 mph becoming west. Winds could gust as high as 38 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of showers, mainly before 8pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 39. Breezy, with a west northwest wind 13 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers and
    Breezy then
    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 55. West northwest wind 8 to 11 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. North northeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 48. East wind 7 to 9 mph.  Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. East wind 8 to 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm.  Mostly cloudy, with a high near 56. East southeast wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. East southeast wind 14 to 18 mph.  Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 1pm.  Partly sunny, with a high near 68. South wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Breezy, with a south wind 22 to 25 mph becoming west. Winds could gust as high as 38 mph.
Tonight
A chance of showers, mainly before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 39. Breezy, with a west northwest wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Columbus Day
Sunny, with a high near 55. West northwest wind 8 to 11 mph.
Monday Night
Mostly cloudy, with a low around 40. North northeast wind around 6 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 48. East wind 7 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 43. East wind 8 to 10 mph.
Wednesday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 56. East southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. East southeast wind 14 to 18 mph. Chance of precipitation is 50%.
Thursday
Showers likely, mainly before 1pm. Partly sunny, with a high near 68. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Friday
A slight chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A slight chance of showers. Mostly sunny, with a high near 59. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Sisseton SD
 45.59°N 97.07°W (Elev. 1467 ft)
12:36 pm CDT Oct 12, 2025
12pm CDT Oct 12, 2025-6pm CDT Oct 18, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database