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

54°F

12°C

Humidity 72%
Wind Speed SW 9 mph
Barometer 29.58 in (1001.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 17 Oct 8:53 pm CDT
Extended Forecast for

Clark SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. West wind 7 to 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly between noon and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 53. Breezy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. West wind 8 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. South southeast wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56. Breezy, with a west northwest wind 16 to 25 mph, with gusts as high as 37 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. West northwest wind 16 to 18 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 50. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Northwest wind 6 to 10 mph becoming southeast in the evening.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. West wind 7 to 9 mph.
Saturday
A chance of showers, mainly between noon and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 53. Breezy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 34. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 56. West wind 8 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 44. South southeast wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 56. Breezy, with a west northwest wind 16 to 25 mph, with gusts as high as 37 mph.
Monday Night
Partly cloudy, with a low around 35. West northwest wind 16 to 18 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 50. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 34. Northwest wind 6 to 10 mph becoming southeast in the evening.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.88°N 97.75°W (Elev. 1808 ft)
Last Update:
8:36 pm CDT Oct 17, 2025
Forecast Valid:
9pm CDT Oct 17, 2025-6pm CDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation