Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
32°F
0°C
| Humidity | 38% |
| Wind Speed | N 16 G 28 mph |
| Barometer | 30.44 in (1033.2 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 6 Apr 4:53 pm CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
Tonight

Low: 16 °F
Partly Cloudy
Tuesday
High: 40 °F
Mostly Sunny
then Partly
Sunny and
BreezyTuesday Night

Low: 31 °F
Mostly Cloudy
and BreezyWednesday

High: 54 °F
Slight Chance
Rain and
BreezyWednesday Night
Low: 25 °F
Mostly Clear
and Breezy
then Mostly
ClearThursday
High: 46 °F
Mostly Sunny
then Slight
Chance
Rain/SnowThursday Night

Low: 25 °F
Slight Chance
Rain/SnowFriday

High: 53 °F
Mostly Sunny
Friday Night

Low: 35 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 16. North northeast wind 6 to 13 mph becoming east after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny, with a high near 40. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 31. Breezy, with a south wind 20 to 22 mph, with gusts as high as 33 mph.
Wednesday
A slight chance of rain before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a south wind 13 to 23 mph becoming west northwest in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 25. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Thursday
A slight chance of rain and snow after 1pm. Mostly sunny, with a high near 46. Northwest wind around 10 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 25. North wind 3 to 8 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 53. North wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 35. East wind 7 to 10 mph.
Saturday
A chance of rain. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Monday
A chance of rain. Partly sunny, with a high near 67. Chance of precipitation is 50%.
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)
5:36 pm CDT Apr 6, 2026
5pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026


