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

14°F

-10°C

Humidity 80%
Wind Speed NW 13 mph
Barometer 30.25 in (1027.7 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 10 Jan 5:53 pm CST
Extended Forecast for

4 Miles ESE Watertown Municipal Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 8. Northwest wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 36. South southwest wind 5 to 15 mph, with gusts as high as 28 mph.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. West wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. West wind 13 to 17 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 36 mph.

    High: 45 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight.  Mostly cloudy, with a low around 18. North wind 14 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. North wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Northwest wind 7 to 11 mph becoming south southwest in the evening. Winds could gust as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 8. Northwest wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 36. South southwest wind 5 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 24. West wind 7 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 35. West wind 13 to 17 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 45. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 36 mph.
Tuesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 18. North wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 29. North wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 21. Northwest wind 7 to 11 mph becoming south southwest in the evening. Winds could gust as high as 20 mph.
Thursday
A slight chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 40. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 29. Blustery. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 7. Blustery.
Saturday
Partly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Watertown Municipal Airport SD
 44.89°N 97.08°W (Elev. 1739 ft)
5:36 pm CST Jan 10, 2026
6pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database