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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

59°F

15°C

Humidity 81%
Wind Speed SE 8 mph
Barometer 29.88 in (1010.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 May 4:53 am CDT
Extended Forecast for

Clark SD

  • Memorial Day

    Memorial Day: Sunny, with a high near 89. South southeast wind 7 to 13 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. South southeast wind 7 to 11 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 89. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 89 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. South southeast wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. East southeast wind around 15 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 86. Southeast wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 58. Southeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Southeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Memorial Day
Sunny, with a high near 89. South southeast wind 7 to 13 mph.
Tonight
Increasing clouds, with a low around 59. South southeast wind 7 to 11 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 89. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 59. South southeast wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 87. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 59. East southeast wind around 15 mph, with gusts as high as 23 mph.
Thursday
Partly sunny, with a high near 86. Southeast wind 15 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 58. Southeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Southeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 76. 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 97.72°W (Elev. 1788 ft)
Last Update:
4:36 am CDT May 25, 2026
Forecast Valid:
5am CDT May 25, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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