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Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Overcast
41°F
5°C
| Humidity | 62% |
| Wind Speed | NE 15 mph |
| Barometer | 30.10 in (1020.0 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 29 Apr 11:53 pm CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
Tonight

Low: 31 °F
Slight Chance
ShowersThursday
High: 51 °F
Mostly Sunny
then Chance
ShowersThursday Night
Low: 29 °F
Chance
Showers then
Partly CloudyFriday

High: 50 °F
Mostly Sunny
Friday Night

Low: 31 °F
Mostly Clear
Saturday

High: 64 °F
Mostly Sunny
Saturday Night

Low: 41 °F
Slight Chance
ShowersSunday

High: 62 °F
Mostly Sunny
Sunday Night

Low: 38 °F
Partly Cloudy
Detailed Forecast
Tonight
A slight chance of showers before 1am. Mostly cloudy, with a low around 31. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly after 4pm. Increasing clouds, with a high near 51. North wind 5 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 7pm. Partly cloudy, with a low around 29. North wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 50. North wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 31. North wind 5 to 9 mph becoming calm.
Saturday
Mostly sunny, with a high near 64. West southwest wind 6 to 13 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 41. Southwest wind around 9 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 62. North northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 38. West wind 5 to 14 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 61. Breezy.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 56. Breezy. Chance of precipitation is 20%.
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)
11:46 pm CDT Apr 29, 2026
11pm CDT Apr 29, 2026-6pm CDT May 6, 2026


