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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Snow

8°F

-13°C

Humidity 76%
Wind Speed SE 17 G 24 mph
Barometer 30.17 in (1026.3 mb)
Dewpoint 2°F (-17°C)
Visibility 2.00 mi
Wind Chill-10°F (-23°C)
Last update 7 Dec 6:53 pm CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Tonight

    Tonight: Snow likely, mainly before 10pm.  Cloudy, with a temperature rising to around 12 by 5am. South wind 8 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 8 °F

    Snow Likely
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 29. South wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 29 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a steady temperature around 27. West wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of freezing rain before 9am, then rain likely.  Mostly cloudy, with a high near 39. Breezy, with a south southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 60%. Little or no ice accumulation expected.

    High: 39 °F

    Chance
    Rain/Freezing
    Rain then
    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 9pm, then a slight chance of snow between 9pm and midnight.  Mostly cloudy, with a low around 11. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 48 mph.  Chance of precipitation is 20%.

    Low: 11 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 16. Blustery, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 16 °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 4. North wind 6 to 10 mph becoming east in the evening.  Chance of precipitation is 40%.

    Low: 4 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 15. Northeast wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    High: 15 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow.  Mostly cloudy, with a low around -8. Northwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: -8 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Snow likely, mainly before 10pm. Cloudy, with a temperature rising to around 12 by 5am. South wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Monday
Mostly cloudy, with a high near 29. South wind 8 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a steady temperature around 27. West wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday
A chance of freezing rain before 9am, then rain likely. Mostly cloudy, with a high near 39. Breezy, with a south southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 60%. Little or no ice accumulation expected.
Tuesday Night
A slight chance of rain before 9pm, then a slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 11. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 16. Blustery, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 4. North wind 6 to 10 mph becoming east in the evening. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 15. Northeast wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around -8. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Partly sunny and cold, with a high near 0.
Friday Night
Mostly cloudy, with a low around -14.
Saturday
A slight chance of snow. Partly sunny and cold, with a high near 2. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around -10. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 12.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
7:36 pm CST Dec 7, 2025
7pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

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