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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

29°F

-2°C

Humidity 85%
Wind Speed SE 5 mph
Barometer 30.05 in (1020.2 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 24 Dec 11:56 am CST
Extended Forecast for

Sisseton Municipal Airport SD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 35. Calm wind becoming north 5 to 9 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. North wind 5 to 9 mph becoming east after midnight.

    Low: 17 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: A slight chance of drizzle, freezing rain, and sleet before 2pm, then a slight chance of drizzle between 2pm and 3pm. Patchy fog before 11am, then patchy fog after 5pm. Widespread freezing fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 35. Southeast wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Wintry Mix
    and Freezing
    Fog

  • Thursday Night

    Thursday Night: A slight chance of drizzle before midnight, then a slight chance of drizzle or freezing rain between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 25. Southeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Drizzle/Freezing
    Rain

  • Friday

    Friday: Partly sunny, with a high near 37. West northwest wind around 7 mph becoming south southeast in the afternoon.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. South southeast wind 6 to 8 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. South southwest wind 8 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 36 mph.

    Low: 4 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 12. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 38 mph.

    High: 12 °F

    Mostly Sunny
    and Blustery

Detailed Forecast

This Afternoon
Partly sunny, with a high near 35. Calm wind becoming north 5 to 9 mph.
Tonight
Mostly cloudy, with a low around 17. North wind 5 to 9 mph becoming east after midnight.
Christmas Day
A slight chance of drizzle, freezing rain, and sleet before 2pm, then a slight chance of drizzle between 2pm and 3pm. Patchy fog before 11am, then patchy fog after 5pm. Widespread freezing fog between noon and 1pm. Otherwise, mostly cloudy, with a high near 35. Southeast wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of drizzle before midnight, then a slight chance of drizzle or freezing rain between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 25. Southeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 37. West northwest wind around 7 mph becoming south southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 27. South southeast wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 42. South southwest wind 8 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 4. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 36 mph.
Sunday
Mostly sunny, with a high near 12. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 38 mph.
Sunday Night
Mostly clear, with a low around -2. Blustery.
Monday
Mostly sunny, with a high near 16.
Monday Night
Mostly cloudy, with a low around 7.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sisseton Municipal Airport SD
 45.68°N 96.98°W (Elev. 1148 ft)
Last Update:
11:26 am CST Dec 24, 2025
Forecast Valid:
12pm CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation