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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

19°F

-7°C

Humidity 84%
Wind Speed W 5 mph
Barometer 30.17 in (1024.2 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 9 Jan 11:53 pm CST
Extended Forecast for

3 Miles SE Watertown SD

  • Overnight

    Overnight: A chance of flurries with a slight chance of snow before 4am, then a chance of flurries between 4am and 5am. Partly cloudy, with a low around 15. Light west wind becoming west northwest 5 to 10 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Sunny, with a high near 21. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 21 °F

    Sunny then
    Sunny and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7. Northwest wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 34. South southwest wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 36. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain. Partly sunny, with a high near 44. Breezy, with a west northwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 20. North northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Overnight
A chance of flurries with a slight chance of snow before 4am, then a chance of flurries between 4am and 5am. Partly cloudy, with a low around 15. Light west wind becoming west northwest 5 to 10 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 21. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 7. Northwest wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 34. South southwest wind 6 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 45. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 36. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain. Partly sunny, with a high near 44. Breezy, with a west northwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 20. North northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 29. Blustery. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Watertown SD
 44.89°N 97.11°W (Elev. 1713 ft)
Last Update:
11:36 pm CST Jan 9, 2026
Forecast Valid:
12am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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