Hazardous Weather Conditions
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fog/Mist
40°F
4°C
| Humidity | 100% |
| Wind Speed | S 6 mph |
| Barometer | 29.74 in (1007.7 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 5.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 15 Apr 7:53 am CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
Fire Weather Watch April 16, 11:00am until April 16, 08:00pm
Dense Fog Advisory until April 15, 09:00am
NOW until 9:00am Wed
Dense Fog Advisory
Today
High: 73 °F
Patchy Dense
Fog then
Mostly SunnyTonight

Low: 44 °F
Mostly Clear
Thursday
High: 80 °F
Sunny then
Sunny and
BreezyThursday Night

Low: 38 °F
Increasing
CloudsFriday

High: 50 °F
Chance
Showers and
BreezyFriday Night
Low: 24 °F
Blustery.
Mostly Cloudy
then Slight
Chance Snow
ShowersSaturday

High: 40 °F
Slight Chance
Snow Showers
and BreezySaturday Night
Low: 24 °F
Partly Cloudy
and Blustery
then Mostly
Clear
Detailed Forecast
Today
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 73. South southeast wind 5 to 8 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 44. South southeast wind 6 to 9 mph.
Thursday
Sunny, with a high near 80. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 29 mph.
Thursday Night
Increasing clouds, with a low around 38. South southwest wind 10 to 17 mph becoming southeast after midnight. Winds could gust as high as 28 mph.
Friday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 50. Breezy, with a north northwest wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 40. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 24. Blustery, with a northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 52. Northwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 70.
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)
7:36 am CDT Apr 15, 2026
8am CDT Apr 15, 2026-6pm CDT Apr 21, 2026



