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

62°F

17°C

Humidity 58%
Wind Speed W 10 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 7 Oct 10:53 am CDT
Extended Forecast for

Clark SD

  • Today

    Today: Sunny, with a high near 71. West northwest wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. North wind 5 to 8 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 66 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Southeast wind 5 to 9 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74. South wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Breezy, with a south wind 21 to 25 mph, with gusts as high as 39 mph.

    High: 79 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Breezy, with a south wind 17 to 21 mph, with gusts as high as 33 mph.

    Low: 58 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Breezy, with a south southeast wind 18 to 20 mph becoming north in the afternoon. Winds could gust as high as 32 mph.

    High: 68 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 71. West northwest wind 8 to 15 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 46. North wind 5 to 8 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Light and variable wind becoming south 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 50. Southeast wind 5 to 9 mph.
Friday
Sunny, with a high near 74. South wind 10 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 62. South wind 10 to 18 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 79. Breezy, with a south wind 21 to 25 mph, with gusts as high as 39 mph.
Saturday Night
Mostly clear, with a low around 58. Breezy, with a south wind 17 to 21 mph, with gusts as high as 33 mph.
Sunday
Mostly sunny, with a high near 68. Breezy, with a south southeast wind 18 to 20 mph becoming north in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 20%.
Columbus Day
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.9°N 97.75°W (Elev. 1811 ft)
Last Update:
11:21 am CDT Oct 7, 2026
Forecast Valid:
11am CDT Oct 7, 2026-6pm CDT Oct 13, 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