Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

18°F

-8°C

Humidity 88%
Wind Speed N 6 mph
Barometer 30.40 in (1032.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 26 Mar 11:53 pm CDT
Extended Forecast for

4 Miles ESE Castlewood SD

Fire Weather Watch March 28, 10:00am until March 28, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Overnight

    Overnight: Partly cloudy, with a low around 20. North northwest wind 5 to 8 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 39. Northwest wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 39 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Northwest wind 5 to 15 mph becoming south southeast in the evening. Winds could gust as high as 25 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Windy, with a south southwest wind 24 to 31 mph, with gusts as high as 46 mph.

    High: 61 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. South southwest wind 8 to 14 mph becoming east after midnight. Winds could gust as high as 23 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. East northeast wind around 10 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Northeast wind around 9 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. East northeast wind 10 to 17 mph becoming south southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. East wind around 14 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 20. North northwest wind 5 to 8 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 39. Northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 23. Northwest wind 5 to 15 mph becoming south southeast in the evening. Winds could gust as high as 25 mph.
Saturday
Mostly sunny, with a high near 61. Windy, with a south southwest wind 24 to 31 mph, with gusts as high as 46 mph.
Saturday Night
Mostly cloudy, with a low around 36. South southwest wind 8 to 14 mph becoming east after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 63. East northeast wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 34. Northeast wind around 9 mph.
Monday
Mostly sunny, with a high near 63. East northeast wind 10 to 17 mph becoming south southeast in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 40. East wind around 14 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of rain before 1pm. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
12:36 am CDT Mar 27, 2026
12am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
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