Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

77°F

25°C

Humidity 90%
Wind Speed E 3 mph
Barometer 29.60 in (1000.9 mb)
Dewpoint 74°F (23°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 29 Jun 8:53 am CDT
Extended Forecast for

Clark SD

Severe T-storm Watch June 29, 09:13am until June 29, 12:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch June 29, 09:13am until June 29, 12:00pm

    NOW until 12:00pm Mon

    Severe T-storm Watch

  • Today

    High: 90 °F

    Hot and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 61. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 30 mph.

    Low: 61 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. West southwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 63. West southwest wind 7 to 10 mph becoming east after midnight.  Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 85. East southeast wind around 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 50%.

    High: 85 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 62. West wind 7 to 9 mph becoming east after midnight.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. South southeast wind 7 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 1am.  Partly cloudy, with a low around 66. East southeast wind 11 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely

Detailed Forecast

Today
Mostly sunny and hot, with a high near 90. Breezy, with a southeast wind 16 to 23 mph becoming southwest in the afternoon. Winds could gust as high as 34 mph.
Tonight
Mostly clear, with a low around 61. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 83. West southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 63. West southwest wind 7 to 10 mph becoming east after midnight. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 85. East southeast wind around 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 62. West wind 7 to 9 mph becoming east after midnight. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southeast wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 66. East southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 86. East southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.88°N 97.75°W (Elev. 1808 ft)
9:02 am CDT Jun 29, 2026
9am CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
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