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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 Chill | 36°F (2°C) |
| Last update | 24 Mar 10:53 am CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
Today

High: 55 °F
Partly Sunny
Tonight

Low: 35 °F
Partly Cloudy
Wednesday

High: 71 °F
Mostly Sunny
Wednesday Night

Low: 38 °F
Mostly Cloudy
Thursday

High: 47 °F
Partly Sunny
and BreezyThursday Night
Low: 16 °F
Mostly Cloudy
and Blustery
then Mostly
ClearFriday

High: 40 °F
Sunny
Friday Night

Low: 24 °F
Mostly Clear
Saturday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Castlewood SD
44.72°N 96.96°W (Elev. 1749 ft)
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


