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

14°F

-10°C

Humidity 92%
Wind Speed N 6 mph
Barometer 29.99 in (1018.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 9 Jan 5:53 am CST
Extended Forecast for

Clark SD

  • Today

    Today: A chance of flurries between noon and 1pm, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 33. Northwest wind 6 to 14 mph becoming southwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 33 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: A chance of snow or flurries before 1am, then a chance of flurries between 1am and 2am. Partly cloudy, with a low around 14. Northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 14 °F

    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 19. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.

    High: 19 °F

    Sunny and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7. North northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 33. South southwest wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. West wind 9 to 13 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 34. West wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 42. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
A chance of flurries between noon and 1pm, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 33. Northwest wind 6 to 14 mph becoming southwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tonight
A chance of snow or flurries before 1am, then a chance of flurries between 1am and 2am. Partly cloudy, with a low around 14. Northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 19. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 7. North northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 33. South southwest wind 8 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 25. West wind 9 to 13 mph.
Monday
Mostly sunny, with a high near 44. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 34. West wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 42. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.9°N 97.75°W (Elev. 1811 ft)
Last Update:
5:36 am CST Jan 9, 2026
Forecast Valid:
6am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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