Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

40°F

4°C

Humidity 53%
Wind Speed SE 5 mph
Barometer 30.08 in (1020.2 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 24 Mar 10:53 am CDT
Extended Forecast for

4 Miles ESE Castlewood SD

  • Today

    Today: Partly sunny, with a high near 55. East southeast wind 7 to 10 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. South southeast wind 6 to 8 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South wind 6 to 11 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38. Southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 24 mph.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47. Breezy, with a north wind 21 to 24 mph, with gusts as high as 36 mph.

    High: 47 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. Blustery, with a north wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 40. West northwest wind 7 to 11 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. West northwest wind 6 to 9 mph becoming south southwest after midnight.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 55. East southeast wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 35. South southeast wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 6 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 38. Southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 24 mph.
Thursday
Partly sunny, with a high near 47. Breezy, with a north wind 21 to 24 mph, with gusts as high as 36 mph.
Thursday Night
Partly cloudy, with a low around 16. Blustery, with a north wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.
Friday
Sunny, with a high near 40. West northwest wind 7 to 11 mph.
Friday Night
Mostly clear, with a low around 24. West northwest wind 6 to 9 mph becoming south southwest after midnight.
Saturday
Sunny, with a high near 56. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 38.
Monday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
11:36 am CDT Mar 24, 2026
11am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database