Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Overcast
54°F
12°C
| Humidity | 67% |
| Wind Speed | N 16 mph |
| Barometer | 29.73 in (1007.4 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 14 Apr 3:53 pm CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
This Afternoon

High: 54 °F
Chance
SprinklesTonight

Low: 40 °F
Mostly Cloudy
Wednesday

High: 69 °F
Mostly Sunny
Wednesday Night

Low: 44 °F
Mostly Clear
Thursday

High: 80 °F
Sunny
Thursday Night
Low: 42 °F
Partly Cloudy
then Slight
Chance
ShowersFriday

High: 56 °F
Chance
Showers and
BreezyFriday Night
Low: 24 °F
Blustery.
Slight Chance
Rain/Snow
then Chance
Snow ShowersSaturday

High: 39 °F
Slight Chance
Snow Showers
and Breezy
Detailed Forecast
This Afternoon
A chance of sprinkles. Mostly cloudy, with a steady temperature around 54. North northwest wind around 16 mph.
Tonight
Mostly cloudy, with a low around 40. North northwest wind 6 to 11 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 69. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 44. South southeast wind 6 to 9 mph.
Thursday
Sunny, with a high near 80. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.
Thursday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 42. South southeast wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday
A chance of showers. Mostly cloudy, with a high near 56. Breezy, with an east northeast wind 16 to 23 mph becoming north northwest in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of rain and snow showers before 10pm, then a chance of snow showers. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 21 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 39. Breezy, with a northwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 23. Blustery.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 62. Breezy.
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)
4:36 pm CDT Apr 14, 2026
4pm CDT Apr 14, 2026-6pm CDT Apr 20, 2026


