Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
89°F
32°C
| Humidity | 47% |
| Wind Speed | W 6 mph |
| Barometer | 29.92 in (1011.7 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 28 Jul 4:53 pm CDT |
Extended Forecast for
3 Miles S Webster SD
This Afternoon
High: 89 °F
Chance
ShowersTonight
Low: 69 °F
Chance
Showers then
Patchy SmokeWednesday
High: 90 °F
Patchy Smoke
Wednesday Night
Low: 70 °F
Patchy Smoke
then Slight
Chance
T-stormsThursday
High: 82 °F
Chance
Showers then
Heavy RainThursday Night
Low: 64 °F
Showers
LikelyFriday
High: 80 °F
Slight Chance
T-stormsFriday Night
Low: 61 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms. Patchy smoke. Mostly sunny, with a high near 89. South southwest wind around 5 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Patchy smoke. Partly cloudy, with a low around 69. Southwest wind around 6 mph becoming east in the evening. Chance of precipitation is 30%.
Wednesday
Patchy smoke. Partly sunny, then gradually becoming sunny and hot, with a high near 90. South wind 7 to 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Patchy smoke before 1am. Increasing clouds, with a low around 70. South southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 82. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 64. East southeast wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. North northeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 61. North northeast wind 5 to 9 mph.
Saturday
Sunny, with a high near 81. East wind 5 to 7 mph becoming north in the morning.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 67.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Breezy. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles S Webster SD
45.29°N 97.52°W (Elev. 1824 ft)
45.29°N 97.52°W (Elev. 1824 ft)
4:37 pm CDT Jul 28, 2026
5pm CDT Jul 28, 2026-6pm CDT Aug 4, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
