Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
67°F
19°C
| Humidity | 76% |
| Wind Speed | NW 6 mph |
| Barometer | 30.09 in (1018.3 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 26 Aug 9:53 pm CDT |
Extended Forecast for
4 Miles W Vienna SD
Tonight

Low: 56 °F
Mostly Clear
Thursday

High: 83 °F
Sunny
Thursday Night

Low: 59 °F
Mostly Clear
Friday
High: 86 °F
Mostly Sunny
then Chance
ShowersFriday Night

Low: 66 °F
Showers
Likely and
BreezySaturday
High: 88 °F
Mostly Sunny
and Breezy
then Mostly
SunnySaturday Night

Low: 68 °F
Partly Cloudy
Sunday

High: 88 °F
Mostly Sunny
Sunday Night

Low: 64 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 56. Light north wind.
Thursday
Sunny, with a high near 83. Northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming east southeast after midnight.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. South southeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Friday 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 66. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 88. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 68. South southwest wind 8 to 11 mph becoming southeast in the evening.
Sunday
Mostly sunny, with a high near 88. Northeast wind 9 to 11 mph becoming west in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. West northwest wind around 9 mph becoming northeast after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles W Vienna SD
44.69°N 97.59°W (Elev. 1759 ft)
44.69°N 97.59°W (Elev. 1759 ft)
9:06 pm CDT Aug 26, 2026
10pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026


