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Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
A Few Clouds
49°F
9°C
| Humidity | 39% |
| Wind Speed | N 8 mph |
| Barometer | 30.11 in (1021.1 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 1 May 1:53 pm CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
This Afternoon

High: 51 °F
Mostly Sunny
Tonight

Low: 29 °F
Mostly Clear
Saturday

High: 64 °F
Sunny
Saturday Night
Low: 40 °F
Slight Chance
Showers then
Mostly CloudySunday

High: 63 °F
Sunny
Sunday Night

Low: 45 °F
Partly Cloudy
Monday

High: 61 °F
Slight Chance
Showers and
BreezyMonday Night

Low: 32 °F
Mostly Cloudy
Tuesday

High: 50 °F
Slight Chance
Rain/Snow
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 51. North wind around 9 mph.
Tonight
Mostly clear, with a low around 29. North wind 5 to 9 mph becoming light and variable.
Saturday
Sunny, with a high near 64. Southwest wind 7 to 16 mph, with gusts as high as 25 mph.
Saturday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 40. West southwest wind 9 to 13 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 63. North northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 45. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Monday
A slight chance of showers before 1pm. Mostly sunny, with a high near 61. Breezy, with a west northwest wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 32. North northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Tuesday
A slight chance of snow showers, mixing with rain after 10am, then gradually ending. Mostly sunny, with a high near 50. North northwest wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 50. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 56.
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)
1:31 pm CDT May 1, 2026
2pm CDT May 1, 2026-6pm CDT May 7, 2026


