Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
78°F
26°C
| Humidity | 62% |
| Wind Speed | NW 12 mph |
| Barometer | 30.01 in (1015.1 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 25 Aug 10:53 am CDT |
Extended Forecast for
Watertown SD
Today
High: 83 °F
Mostly Sunny
Tonight
Low: 60 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 56 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 63 °F
Chance
T-stormsSaturday
High: 84 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 83. West northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 60. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 78. North northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 56. North northwest wind 5 to 9 mph becoming light north in the evening.
Thursday
Sunny, with a high near 79. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. Northeast wind 5 to 7 mph becoming southeast after midnight.
Friday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. South wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southeast wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 84. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Watertown SD
44.91°N 97.17°W (Elev. 1755 ft)
44.91°N 97.17°W (Elev. 1755 ft)
11:06 am CDT Aug 25, 2026
11am CDT Aug 25, 2026-6pm CDT Aug 31, 2026
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