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

78°F

26°C

Humidity 43%
Wind Speed Vrbl 5 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Jun 4:53 pm CDT
Extended Forecast for

Clark SDSimilar City Names

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 58. Calm wind becoming northeast around 6 mph in the evening. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 76. Northwest wind 6 to 10 mph.

    High: 76 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West northwest wind 7 to 10 mph becoming south after midnight.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 85. South southwest wind around 14 mph, with gusts as high as 23 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 65. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 88. South southeast wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 68. South southeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 92. South wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 92 °F

    Hot

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Calm wind. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 58. Calm wind becoming northeast around 6 mph in the evening. Chance of precipitation is 30%.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 76. Northwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 58. West northwest wind 7 to 10 mph becoming south after midnight.
Juneteenth
Sunny, with a high near 85. South southwest wind around 14 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 65. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 88. South southeast wind 14 to 18 mph, with gusts as high as 29 mph.
Friday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 68. South southeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
Sunny and hot, with a high near 92. South wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 73. Breezy.
Sunday
Sunny, with a high near 87. Breezy.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
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:
5:48 pm CDT Jun 17, 2025
Forecast Valid:
5pm CDT Jun 17, 2025-6pm CDT Jun 24, 2025
 
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