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

50°F

10°C

Humidity 68%
Wind Speed S 10 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 3 Oct 6:53 am CDT
Extended Forecast for

Clark SD

  • Today

    Today: A slight chance of showers between noon and 4pm. Mostly sunny, with a high near 68. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 68 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 44. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. West northwest wind 3 to 8 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. Calm wind becoming southeast 5 to 7 mph after midnight.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. Breezy, with a southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. South wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. South wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West northwest wind around 6 mph becoming north northeast after midnight.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. North northeast wind 6 to 9 mph becoming west northwest in the afternoon.

    High: 70 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between noon and 4pm. Mostly sunny, with a high near 68. South wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 44. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 64. West northwest wind 3 to 8 mph.
Sunday Night
Clear, with a low around 45. Calm wind becoming southeast 5 to 7 mph after midnight.
Monday
Sunny, with a high near 68. Breezy, with a southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
Mostly clear, with a low around 54. South wind 14 to 18 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 75. South wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 52. West northwest wind around 6 mph becoming north northeast after midnight.
Wednesday
Sunny, with a high near 70. North northeast wind 6 to 9 mph becoming west northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.88°N 97.72°W (Elev. 1798 ft)
Last Update:
6:41 am CDT Oct 3, 2026
Forecast Valid:
7am CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation