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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

29°F

-2°C

Humidity 82%
Wind Speed N 12 mph
Barometer 29.96 in (1017.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 10 Mar 12:53 pm CDT
Extended Forecast for

Clark SD

  • This Afternoon

    This Afternoon: A chance of snow. Cloudy, with a high near 36. North northeast wind around 14 mph. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly before 1am. Low around 21. North northeast wind 11 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow after 4pm. Mostly sunny, with a high near 38. Northwest wind 10 to 14 mph. Chance of precipitation is 20%.

    High: 38 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West northwest wind 8 to 11 mph becoming south after midnight.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 47. Breezy, with a south wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.

    High: 47 °F

    Cloudy then
    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 23. Windy, with a northwest wind 23 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Windy. Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 35. North northwest wind 9 to 17 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 1am. Cloudy, with a low around 25. East southeast wind 8 to 11 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow. Cloudy, with a high near 33. East northeast wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of snow. Cloudy, with a high near 36. North northeast wind around 14 mph. Chance of precipitation is 40%.
Tonight
Snow, mainly before 1am. Low around 21. North northeast wind 11 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A slight chance of snow after 4pm. Mostly sunny, with a high near 38. Northwest wind 10 to 14 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 25. West northwest wind 8 to 11 mph becoming south after midnight.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 47. Breezy, with a south wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 23. Windy, with a northwest wind 23 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Friday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 35. North northwest wind 9 to 17 mph. Chance of precipitation is 20%.
Friday Night
Snow likely, mainly after 1am. Cloudy, with a low around 25. East southeast wind 8 to 11 mph. Chance of precipitation is 60%.
Saturday
A chance of snow. Cloudy, with a high near 33. East northeast wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Saturday Night
Snow likely. Cloudy, with a low around 11. Blustery. Chance of precipitation is 70%.
Sunday
A chance of snow. Mostly cloudy, with a high near 19. Blustery. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.9°N 97.75°W (Elev. 1811 ft)
Last Update:
1:31 pm CDT Mar 10, 2026
Forecast Valid:
1pm CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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