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.

Overcast

37°F

3°C

Humidity 89%
Wind Speed S 20 G 29 mph
Barometer 29.66 in (1005.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 8 Apr 3:53 am CDT
Extended Forecast for

4 Miles ESE Castlewood SD

  • Today

    Today: A slight chance of rain between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 52. Breezy, with a south southwest wind 9 to 14 mph becoming west 17 to 22 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 23. Blustery, with a west northwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 33 mph.

    Low: 23 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Increasing clouds, with a high near 44. North northwest wind around 6 mph. Chance of precipitation is 30%.

    High: 44 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 24. North wind around 6 mph becoming calm after midnight.

    Low: 24 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 53. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. East southeast wind 6 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 58. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 58 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain and thunderstorms. Cloudy, with a low around 51. Breezy, with a south southeast wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    Low: 51 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: A chance of rain, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
A slight chance of rain between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 52. Breezy, with a south southwest wind 9 to 14 mph becoming west 17 to 22 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 23. Blustery, with a west northwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 33 mph.
Thursday
A chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Increasing clouds, with a high near 44. North northwest wind around 6 mph. Chance of precipitation is 30%.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 24. North wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 53. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 36. East southeast wind 6 to 10 mph.
Saturday
A chance of rain. Mostly cloudy, with a high near 58. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain and thunderstorms. Cloudy, with a low around 51. Breezy, with a south southeast wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Sunday
A chance of rain, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.
Sunday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 49. Chance of precipitation is 40%.
Monday
Rain likely. Mostly sunny, with a high near 63. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
Last Update:
3:56 am CDT Apr 8, 2026
Forecast Valid:
4am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation