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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

Breezy

89°F

32°C

Humidity 27%
Wind Speed SW 21 G 32 mph
Barometer 29.47 in (995.6 mb)
Dewpoint 51°F (11°C)
Visibility NA
Heat Index86°F (30°C)
Last update 10 Oct 4:56 pm CDT
Extended Forecast for

Sisseton SD

  • Tonight

    Tonight: Patchy blowing dust before 7pm. Mostly clear, with a low around 57. Breezy, with a south southwest wind 18 to 23 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 41 mph.

    Low: 57 °F

    Patchy
    Blowing Dust
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 72. North wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. North northwest wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of showers after 1pm. Mostly cloudy, with a high near 64. North wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 64 °F

    Cloudy then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. Northwest wind around 14 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Northwest wind 9 to 13 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. North northwest wind around 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North wind 5 to 9 mph becoming east northeast in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am. Partly cloudy, with a low around 43. Southeast wind around 7 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy blowing dust before 7pm. Mostly clear, with a low around 57. Breezy, with a south southwest wind 18 to 23 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 41 mph.
Sunday
Increasing clouds, with a high near 72. North wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 50. North northwest wind 13 to 15 mph, with gusts as high as 23 mph.
Columbus Day
A chance of showers after 1pm. Mostly cloudy, with a high near 64. North wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 45. Northwest wind around 14 mph.
Tuesday
Partly sunny, with a high near 58. Northwest wind 9 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 42. North northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 61. North wind 5 to 9 mph becoming east northeast in the afternoon.
Wednesday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 43. Southeast wind around 7 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 55. Breezy. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sisseton SD
 45.66°N 97.07°W (Elev. 1289 ft)
Last Update:
5:21 pm CDT Oct 10, 2026
Forecast Valid:
5pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation