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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

39°F

4°C

Humidity 48%
Wind Speed SE 10 mph
Barometer 29.87 in (1012.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 29 Mar 3:53 am CDT
Extended Forecast for

6 Miles E Clark SD

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. South southeast wind 7 to 10 mph becoming west in the afternoon.

    High: 69 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Northwest wind 6 to 11 mph becoming east after midnight.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. East wind 11 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 33. Breezy, with a northeast wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 33 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Blustery, with a north wind 10 to 20 mph.

    Low: 19 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. East southeast wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 29. Breezy, with an east southeast wind 18 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Breezy

  • Thursday

    Thursday: A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 45. Breezy, with an east southeast wind 20 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.

    High: 45 °F

    Breezy.
    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. South southeast wind 7 to 10 mph becoming west in the afternoon.
Tonight
Partly cloudy, with a low around 38. Northwest wind 6 to 11 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 66. East wind 11 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 33. Breezy, with a northeast wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 43. Breezy, with a north northwest wind 21 to 24 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 19. Blustery, with a north wind 10 to 20 mph.
Wednesday
Mostly sunny, with a high near 44. East southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 29. Breezy, with an east southeast wind 18 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 45. Breezy, with an east southeast wind 20 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 50%.
Friday
Rain likely. Mostly cloudy, with a high near 44. Breezy. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Blustery. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 40. Breezy. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Clark SD
 44.86°N 97.6°W (Elev. 1795 ft)
Last Update:
3:36 am CDT Mar 29, 2026
Forecast Valid:
4am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation