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.

Fair

41°F

5°C

Humidity 49%
Wind Speed NW 16 G 30 mph
Barometer 29.91 in (1014.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 8 Apr 7:53 pm CDT
Extended Forecast for

Clark SD

  • Tonight

    Tonight: Mostly clear, with a low around 24. Blustery, with a west northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 36 mph.

    Low: 24 °F

    Clear and
    Blustery then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. Increasing clouds, with a high near 41. West northwest wind around 7 mph. Chance of precipitation is 50%.

    High: 41 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 53. South southwest wind 3 to 6 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Southeast wind 7 to 17 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain. Cloudy, with a high near 59. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain. Cloudy, with a low around 53. Breezy, with a south wind 22 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: A chance of rain. Partly sunny, with a high near 74. Breezy, with a south wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A slight chance of rain before 1am. Mostly clear, with a low around 46. Southwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Blustery, with a west northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 36 mph.
Thursday
A slight chance of snow before 3pm, then a chance of rain between 3pm and 4pm, then a chance of rain and snow after 4pm. Increasing clouds, with a high near 41. West northwest wind around 7 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 23. North wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 53. South southwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 38. Southeast wind 7 to 17 mph, with gusts as high as 25 mph.
Saturday
A chance of rain. Cloudy, with a high near 59. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Cloudy, with a low around 53. Breezy, with a south wind 22 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.
Sunday
A chance of rain. Partly sunny, with a high near 74. Breezy, with a south wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Sunday Night
A slight chance of rain before 1am. Mostly clear, with a low around 46. Southwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday
A chance of rain. Partly sunny, with a high near 63. Breezy. Chance of precipitation is 50%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Blustery. Chance of precipitation is 50%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 50%.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.9°N 97.72°W (Elev. 1788 ft)
Last Update:
7:36 pm CDT Apr 8, 2026
Forecast Valid:
8pm CDT Apr 8, 2026-6pm CDT Apr 15, 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