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.

18°F

-8°C

Humidity 92%
Wind Speed N 13 mph
Barometer 30.18 in (1024.8 mb)
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill5°F (-15°C)
Last update 24 Dec 9:56 pm CST
Extended Forecast for

Gwinner ND

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 11. Northeast wind 10 to 15 mph.

    Low: 11 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Christmas Day

    Christmas Day: Patchy fog before noon. Otherwise, cloudy, with a high near 32. Southeast wind 10 to 17 mph.

    High: 32 °F

    Patchy Fog
    then Cloudy

  • Thursday Night

    Thursday Night: A slight chance of freezing rain. Mostly cloudy, with a low around 21. Southeast wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Freezing Rain

  • Friday

    Friday: Partly sunny, with a high near 30. Northwest wind around 7 mph becoming south southeast in the afternoon.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. South southeast wind 6 to 8 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35. South wind 8 to 13 mph becoming north northwest in the afternoon.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Patchy blowing snow after midnight. Mostly cloudy, with a low around 5. Blustery, with a north northwest wind 14 to 19 mph increasing to 20 to 25 mph after midnight.

    Low: 5 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Patchy blowing snow. Partly sunny, with a high near 11. Blustery, with a northwest wind 23 to 28 mph, with gusts as high as 38 mph.

    High: 11 °F

    Patchy
    Blowing Snow
    and Blustery

  • Sunday Night

    Sunday Night: Patchy blowing snow before 10pm. Partly cloudy, with a low around -5. Blustery, with a northwest wind 13 to 22 mph, with gusts as high as 33 mph.

    Low: -5 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 11. Northeast wind 10 to 15 mph.
Christmas Day
Patchy fog before noon. Otherwise, cloudy, with a high near 32. Southeast wind 10 to 17 mph.
Thursday Night
A slight chance of freezing rain. Mostly cloudy, with a low around 21. Southeast wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 30. Northwest wind around 7 mph becoming south southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 23. South southeast wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 35. South wind 8 to 13 mph becoming north northwest in the afternoon.
Saturday Night
A 20 percent chance of snow after midnight. Patchy blowing snow after midnight. Mostly cloudy, with a low around 5. Blustery, with a north northwest wind 14 to 19 mph increasing to 20 to 25 mph after midnight.
Sunday
Patchy blowing snow. Partly sunny, with a high near 11. Blustery, with a northwest wind 23 to 28 mph, with gusts as high as 38 mph.
Sunday Night
Patchy blowing snow before 10pm. Partly cloudy, with a low around -5. Blustery, with a northwest wind 13 to 22 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 16. Northwest wind around 11 mph becoming west southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 3. Southwest wind 10 to 15 mph.
Tuesday
Mostly cloudy, with a high near 31. West northwest wind 15 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 3. North wind around 17 mph.
Wednesday
Partly sunny, with a high near 13. North wind 13 to 17 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gwinner ND
 46.22°N 97.63°W
Last Update:
9:52 pm CST Dec 24, 2025
Forecast Valid:
10pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
Forecast Discussion
 
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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