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

82°F

28°C

Humidity 41%
Wind Speed W 18 G 29 mph
Barometer 29.99 in (1014.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Aug 3:53 pm CDT
Extended Forecast for

Clark SDSimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. West northwest wind around 17 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. North northwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming northeast after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Light and variable wind becoming north northeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. North wind 5 to 10 mph becoming east southeast after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. South wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. South southeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. West northwest wind around 17 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 58. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 78. North northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming northeast after midnight.
Thursday
Sunny, with a high near 79. Light and variable wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. North wind 5 to 10 mph becoming east southeast after midnight.
Friday
Mostly sunny, with a high near 81. South wind 11 to 17 mph, with gusts as high as 26 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. South southeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clark SDSimilar City Names
 44.88°N 97.75°W (Elev. 1808 ft)
Last Update:
4:06 pm CDT Aug 25, 2026
Forecast Valid:
4pm CDT Aug 25, 2026-6pm CDT Aug 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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