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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

24°F

-4°C

Humidity 84%
Wind Speed NW 13 G 22 mph
Barometer 29.81 in (1011.7 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 5 Dec 7:53 pm CST
Extended Forecast for

Watertown SD

  • Tonight

    Tonight: Cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 9 °F

    Cloudy

  • Saturday

    Saturday: Snow, mainly before 5pm. High near 18. Southeast wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow Likely
    then Snow

  • Saturday Night

    Saturday Night: A chance of snow, mainly before 7pm. Mostly cloudy, with a low around -7. North northeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: -7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of snow after noon. Partly sunny and cold, with a high near 10. North northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 10 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight. Mostly cloudy, with a low around 3. South southeast wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 3 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 28. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 28 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow and freezing rain before noon, then a chance of rain. Mostly cloudy, with a high near 35. South southwest wind 8 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.

    High: 35 °F

    Slight Chance
    Wintry Mix
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 13. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 13 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance Snow
    and Blustery

Detailed Forecast

Tonight
Cloudy, with a low around 9. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Saturday
Snow, mainly before 5pm. High near 18. Southeast wind 5 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A chance of snow, mainly before 7pm. Mostly cloudy, with a low around -7. North northeast wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday
A slight chance of snow after noon. Partly sunny and cold, with a high near 10. North northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 3. South southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 28. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 18. West wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of snow and freezing rain before noon, then a chance of rain. Mostly cloudy, with a high near 35. South southwest wind 8 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 13. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 20.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Thursday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 1. Chance of precipitation is 20%.
Friday
Partly sunny and cold, with a high near 9.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown SD
 44.91°N 97.14°W (Elev. 1736 ft)
Last Update:
8:37 pm CST Dec 5, 2025
Forecast Valid:
8pm CST Dec 5, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation