Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
A Few Clouds
66°F
19°C
| Humidity | 39% |
| Wind Speed | SE 9 G 20 mph |
| Barometer | 30.04 in (1017.3 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 21 May 4:53 pm CDT |
Extended Forecast for
Watertown Municipal Airport SD
Tonight
Low: 43 °F
Increasing
CloudsFriday
High: 57 °F
Showers and
BreezyFriday Night
Low: 42 °F
Showers
Likely then
Chance
ShowersSaturday
High: 68 °F
Decreasing
CloudsSaturday Night
Low: 45 °F
Partly Cloudy
Sunday
High: 79 °F
Sunny
Sunday Night
Low: 51 °F
Mostly Clear
Memorial Day
High: 85 °F
Sunny
Monday Night
Low: 56 °F
Mostly Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 43. Southeast wind 11 to 16 mph, with gusts as high as 37 mph.
Friday
Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. High near 57. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 42. South southeast wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 68. West wind around 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 45. South wind 3 to 7 mph.
Sunday
Sunny, with a high near 79. South wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 51. South southeast wind 7 to 10 mph.
Memorial Day
Sunny, with a high near 85. South wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 56. South southeast wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Watertown Municipal Airport SD
44.91°N 97.14°W (Elev. 1736 ft)
44.91°N 97.14°W (Elev. 1736 ft)
4:36 pm CDT May 21, 2026
5pm CDT May 21, 2026-6pm CDT May 28, 2026
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