Hazardous Weather Conditions
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
55°F
13°C
| Humidity | 96% |
| Wind Speed | S 16 G 24 mph |
| Barometer | 29.67 in (1005.3 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 8.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 11 Apr 9:53 pm CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
Tonight
Low: 49 °F
Slight Chance
Showers and
Patchy FogSunday

High: 79 °F
Becoming
Sunny and
BreezySunday Night

Low: 45 °F
Increasing
CloudsMonday
High: 70 °F
Chance
Showers then
Showers
LikelyMonday Night
Low: 44 °F
Slight Chance
T-storms then
Slight Chance
ShowersTuesday
High: 65 °F
Slight Chance
Showers then
Showers
LikelyTuesday Night

Low: 43 °F
Chance
ShowersWednesday

High: 69 °F
Slight Chance
ShowersWednesday Night

Low: 45 °F
Mostly Clear
Detailed Forecast
Tonight
A slight chance of showers before 11pm. Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 49. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 79. Breezy, with a south wind 17 to 22 mph becoming west in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Increasing clouds, with a low around 45. West wind 6 to 13 mph becoming northeast after midnight.
Monday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 70. East wind 10 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 44. Northeast wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 65. North wind 8 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 43. North northeast wind 8 to 13 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 69. West southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 45. South wind 8 to 11 mph.
Thursday
Sunny, with a high near 71.
Thursday Night
A chance of showers. Partly cloudy, with a low around 39. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 40%.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
9:36 pm CDT Apr 11, 2026
10pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026



