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.

Mostly Cloudy

31°F

-1°C

Humidity 67%
Wind Speed NW 20 G 28 mph
Barometer 30.05 in (1019.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Apr 2:53 am CDT
Extended Forecast for

Clark SD

  • Overnight

    Overnight: Partly cloudy, with a low around 22. West northwest wind 6 to 9 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Snow likely, mainly after 3pm. Increasing clouds, with a high near 40. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Mostly Sunny
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. North northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 53. Southeast wind 5 to 7 mph becoming south southwest in the morning.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 39. Southeast wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly before 1pm. Cloudy, with a high near 60. Breezy, with a south southeast wind 21 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.

    High: 60 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 55. Breezy, with a south southeast wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: A chance of rain, mainly after 1pm. Mostly sunny, with a high near 75. Breezy, with a south wind 21 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. West wind 11 to 15 mph becoming east northeast after midnight.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. West northwest wind 6 to 9 mph.
Thursday
Snow likely, mainly after 3pm. Increasing clouds, with a high near 40. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 23. North northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Friday
Sunny, with a high near 53. Southeast wind 5 to 7 mph becoming south southwest in the morning.
Friday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 39. Southeast wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Saturday
A chance of rain, mainly before 1pm. Cloudy, with a high near 60. Breezy, with a south southeast wind 21 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 55. Breezy, with a south southeast wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Sunday
A chance of rain, mainly after 1pm. Mostly sunny, with a high near 75. Breezy, with a south wind 21 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 47. West wind 11 to 15 mph becoming east northeast after midnight.
Monday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 63. Chance of precipitation is 50%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 50%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clark SD
 44.88°N 97.75°W (Elev. 1808 ft)
Last Update:
2:36 am CDT Apr 9, 2026
Forecast Valid:
2am CDT Apr 9, 2026-6pm CDT Apr 15, 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