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.

Mostly Cloudy

50°F

10°C

Humidity 83%
Wind Speed S 5 mph
Barometer 29.86 in (1011.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 Mar 9:53 pm CDT
Extended Forecast for

6 Miles E Clark SD

  • Tonight

    Tonight: Mostly clear, with a low around 46. Southeast wind 5 to 11 mph becoming south southwest after midnight.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78. West wind 9 to 11 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Blustery, with a north northeast wind 13 to 18 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Blustery.
    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 44. North wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. North northwest wind 6 to 11 mph becoming east southeast after midnight.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 51. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 51 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. South southeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. East wind 11 to 15 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. East wind around 14 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Southeast wind 5 to 11 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 78. West wind 9 to 11 mph.
Saturday Night
A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 31. Blustery, with a north northeast wind 13 to 18 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 44. North wind 15 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 25. North northwest wind 6 to 11 mph becoming east southeast after midnight.
Monday
Partly sunny, with a high near 51. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 31. South southeast wind around 14 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 54. East wind 11 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 33. East wind around 14 mph.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 46. Breezy.
Thursday Night
Partly cloudy, with a low around 18. Blustery.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Clark SD
 44.86°N 97.6°W (Elev. 1795 ft)
Last Update:
9:36 pm CDT Mar 20, 2026
Forecast Valid:
10pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation