Hazardous Weather Conditions
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
57°F
14°C
| Humidity | 60% |
| Wind Speed | S 7 mph |
| Barometer | 29.71 in (1005.6 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 15 May 7:53 am CDT |
Extended Forecast for
3 Miles S Webster SD
Red Flag Warning May 15, 09:00am until May 15, 09:00pm
Today

High: 78 °F
Sunny
Tonight

Low: 46 °F
Mostly Clear
Saturday

High: 75 °F
Mostly Sunny
Saturday Night
Low: 48 °F
Partly Cloudy
then Showers
Likely and
BreezySunday

High: 70 °F
Showers and
BreezySunday Night

Low: 42 °F
Chance
ShowersMonday
High: 55 °F
Breezy.
Chance
Showers then
Showers
LikelyMonday Night

Low: 38 °F
Showers and
BreezyTuesday

High: 50 °F
Chance
Showers and
Breezy
Detailed Forecast
Today
Sunny, with a high near 78. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 46. West northwest wind 7 to 16 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 75. West wind 5 to 8 mph becoming east in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 48. Breezy, with an east wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after 1pm. High near 70. Breezy, with an east wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Northeast wind 15 to 17 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 55. Breezy, with a north wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 38. Breezy, with a north wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers before 1pm. Cloudy, with a high near 50. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Tuesday Night
Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
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ABOUT 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)
7:36 am CDT May 15, 2026
7am CDT May 15, 2026-6pm CDT May 21, 2026



