Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

55°F

13°C

Humidity 90%
Wind Speed NW 12 mph
Barometer 29.71 in (1005.0 mb)
Dewpoint 52°F (11°C)
Visibility NA
Wind Chill52°F (11°C)
Last update 11 Oct 7:56 am CDT
Extended Forecast for

6 Miles WNW Sisseton SD

  • Today

    Today: Mostly cloudy, with a high near 66. North wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 49. North wind 14 to 16 mph.

    Low: 49 °F

    Cloudy

  • Columbus Day

    Columbus Day: A chance of sprinkles before 10am, then a chance of showers, mainly between 10am and 5pm.  Mostly cloudy, with a high near 61. North wind 11 to 15 mph.  Chance of precipitation is 50%.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 7pm.  Mostly cloudy, with a low around 45. Northwest wind 13 to 18 mph.  Chance of precipitation is 10%.

    Low: 45 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Northwest wind 9 to 16 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. North northwest wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Northeast wind 5 to 8 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am.  Partly cloudy, with a low around 43. East northeast wind around 7 mph becoming southeast after midnight.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 57. Southeast wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 66. North wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Cloudy, with a low around 49. North wind 14 to 16 mph.
Columbus Day
A chance of sprinkles before 10am, then a chance of showers, mainly between 10am and 5pm. Mostly cloudy, with a high near 61. North wind 11 to 15 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers before 7pm. Mostly cloudy, with a low around 45. Northwest wind 13 to 18 mph. Chance of precipitation is 10%.
Tuesday
Mostly cloudy, with a high near 56. Northwest wind 9 to 16 mph.
Tuesday Night
Partly cloudy, with a low around 42. North northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 59. Northeast wind 5 to 8 mph.
Wednesday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 43. East northeast wind around 7 mph becoming southeast after midnight. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. Southeast wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 50. Windy.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Sisseton SD
 45.68°N 97.16°W (Elev. 1745 ft)
8:21 am CDT Oct 11, 2026
8am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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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