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

22°F

-6°C

Humidity 89%
Wind Speed NW 18 G 28 mph
Barometer 29.76 in (1010.1 mb)
Dewpoint 19°F (-7°C)
Visibility 8.00 mi
Wind Chill8°F (-13°C)
Last update 5 Dec 3:53 pm CST
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 23. Blustery, with a northwest wind around 22 mph.

    High: 23 °F

    Mostly Cloudy
    and Blustery

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. Blustery, with a northwest wind 15 to 20 mph becoming light and variable.

    Low: 10 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Snow, mainly after 9am. High near 17. East wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 17 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: A slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around -6. North northeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: -6 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow after noon. Partly sunny and cold, with a high near 9. North northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 9 °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 around 9 mph. Chance of precipitation is 30%.

    Low: 3 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a chance of rain. Cloudy, with a high near 37. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 50%.

    High: 37 °F

    Slight Chance
    Snow then
    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 23. Blustery, with a northwest wind around 22 mph.
Tonight
Mostly cloudy, with a low around 10. Blustery, with a northwest wind 15 to 20 mph becoming light and variable.
Saturday
Snow, mainly after 9am. High near 17. East wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around -6. North northeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow after noon. Partly sunny and cold, with a high near 9. 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 around 9 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 27. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 18. West wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of snow before noon, then a chance of rain. Cloudy, with a high near 37. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust 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 11. Breezy. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 21.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 20%.
Thursday
A chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
3:36 pm CST Dec 5, 2025
Forecast Valid:
4pm CST Dec 5, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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