Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fog/Mist
39°F
4°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1014.6 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 1.75 mi |
| Last update | 18 Mar 10:53 pm CDT |
Extended Forecast for
6 Miles WSW Watertown SD
Tonight

Low: 30 °F
Patchy Fog
Thursday
High: 56 °F
Dense
Freezing Fog
and Dense Fog
then Mostly
SunnyThursday Night

Low: 37 °F
Partly Cloudy
Friday

High: 63 °F
Mostly Sunny
Friday Night

Low: 39 °F
Partly Cloudy
Saturday

High: 69 °F
Mostly Sunny
Saturday Night

Low: 29 °F
Mostly Cloudy
Sunday

High: 40 °F
Partly Sunny
Sunday Night

Low: 23 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Thursday
Widespread dense fog before noon. Widespread dense freezing fog between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 56. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 37. West southwest wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 63. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind 8 to 10 mph becoming south southeast after midnight.
Saturday
Mostly sunny, with a high near 69. South southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 29. North northeast wind 15 to 17 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 40. North wind 16 to 18 mph.
Sunday Night
Partly cloudy, with a low around 23. North wind 8 to 13 mph becoming east southeast after midnight.
Monday
Mostly sunny, with a high near 47. Breezy.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 58. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles WSW Watertown SD
44.88°N 97.26°W (Elev. 1749 ft)
44.88°N 97.26°W (Elev. 1749 ft)
10:56 pm CDT Mar 18, 2026
11pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026


