Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

1°F

-17°C

Humidity 75%
Wind Speed SE 10 mph
Barometer 30.28 in (1031.2 mb)
Dewpoint -5°F (-21°C)
Visibility NA
Wind Chill-15°F (-26°C)
Last update 7 Dec 4:56 pm CST
Extended Forecast for

8 Miles ESE Lake City SD

  • This Afternoon

    This Afternoon: A chance of snow.  Cloudy and cold, with a steady temperature around 2. South southeast wind around 9 mph.  Chance of precipitation is 40%.

    High: 2 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 10pm.  Cloudy, with a temperature rising to around 9 by 3am. South southeast wind around 10 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Snow Likely
    then Mostly
    Cloudy

  • Monday

    Monday: Patchy blowing snow after 2pm. Partly sunny, with a high near 29. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 29 °F

    Mostly Cloudy
    then Patchy
    Blowing Snow
    and Breezy

  • Monday Night

    Monday Night: Patchy blowing snow before 10pm. Mostly cloudy, with a low around 21. West wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Patchy
    Blowing Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Freezing rain before 9am, then rain or freezing rain between 9am and noon, then rain after noon.  High near 37. Breezy, with a south southwest wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 44 mph.  Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.

    High: 37 °F

    Rain/Freezing
    Rain then
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 9pm, then a chance of snow.  Mostly cloudy, with a low around 10. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 49 mph.  Chance of precipitation is 50%.

    Low: 10 °F

    Windy. Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 12. Blustery, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 12 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after midnight.  Mostly cloudy, with a low around 2. North wind 6 to 10 mph becoming east northeast in the evening.  Chance of precipitation is 40%.

    Low: 2 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 11. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    High: 11 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of snow. Cloudy and cold, with a steady temperature around 2. South southeast wind around 9 mph. Chance of precipitation is 40%.
Tonight
Snow likely, mainly before 10pm. Cloudy, with a temperature rising to around 9 by 3am. South southeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Patchy blowing snow after 2pm. Partly sunny, with a high near 29. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Patchy blowing snow before 10pm. Mostly cloudy, with a low around 21. West wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday
Freezing rain before 9am, then rain or freezing rain between 9am and noon, then rain after noon. High near 37. Breezy, with a south southwest wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.
Tuesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 10. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 12. Blustery, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 2. North wind 6 to 10 mph becoming east northeast in the evening. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 11. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around -10. Chance of precipitation is 30%.
Friday
Partly sunny and cold, with a high near -4.
Friday Night
Mostly cloudy, with a low around -14.
Saturday
A slight chance of snow. Partly sunny and cold, with a high near -1. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around -8. Chance of precipitation is 20%.
Sunday
Mostly cloudy and cold, with a high near 9.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Lake City SD
 45.67°N 97.25°W (Elev. 1998 ft)
5:26 pm CST Dec 7, 2025
5pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

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