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.

Fair

36°F

2°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 30.00 in (1017.2 mb)
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Last update 19 Mar 8:53 am CDT
Extended Forecast for

4 Miles ESE Castlewood SD

  • Today

    Today: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 65. Light and variable wind becoming southwest 9 to 14 mph in the afternoon.

    High: 65 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. West southwest wind 8 to 10 mph becoming northwest after midnight.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. West wind 7 to 13 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. West wind 6 to 9 mph becoming south after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. South southwest wind 9 to 14 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. North northeast wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. North wind around 18 mph, with gusts as high as 28 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. North wind 6 to 13 mph becoming east northeast after midnight.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 46. South wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 65. Light and variable wind becoming southwest 9 to 14 mph in the afternoon.
Tonight
Partly cloudy, with a low around 37. West southwest wind 8 to 10 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 65. West wind 7 to 13 mph.
Friday Night
Partly cloudy, with a low around 41. West wind 6 to 9 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 73. South southwest wind 9 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 33. North northeast wind 11 to 18 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 42. North wind around 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 22. North wind 6 to 13 mph becoming east northeast after midnight.
Monday
Partly sunny, with a high near 46. South wind 7 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 65.
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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:
8:36 am CDT Mar 19, 2026
Forecast Valid:
9am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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