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

8°F

-13°C

Humidity 80%
Wind Speed Calm
Barometer 30.35 in (1031.3 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 11 Jan 2:53 am CST
Extended Forecast for

6 Miles WSW Watertown SD

  • Overnight

    Overnight: Partly cloudy, with a low around 7. Southwest wind around 6 mph.

    Low: 7 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38. South southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. West wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. West southwest wind 11 to 17 mph, with gusts as high as 29 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Breezy, with a west northwest wind 17 to 24 mph, with gusts as high as 37 mph.

    High: 45 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. Blustery, with a north northwest wind 17 to 20 mph, with gusts as high as 32 mph.

    Low: 18 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. North wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. North wind 6 to 11 mph becoming south in the evening. Winds could gust as high as 21 mph.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 7. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 38. South southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 25. West wind 7 to 13 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 36. West southwest wind 11 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 24 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 18. Blustery, with a north northwest wind 17 to 20 mph, with gusts as high as 32 mph.
Wednesday
Mostly sunny, with a high near 29. North wind 7 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 20. North wind 6 to 11 mph becoming south in the evening. Winds could gust as high as 21 mph.
Thursday
A chance of snow, mainly after noon. Partly sunny, with a high near 37. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 50%.
Friday
A chance of snow. Mostly cloudy, with a high near 27. Blustery. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 3. Blustery.
Saturday
Partly sunny, with a high near 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.86°N 97.26°W (Elev. 1722 ft)
Last Update:
3:06 am CST Jan 11, 2026
Forecast Valid:
3am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation