Hazardous Weather Conditions
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
66°F
19°C
| Humidity | 59% |
| Wind Speed | SW 17 mph |
| Barometer | 29.46 in (997.2 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 12 Apr 9:53 am CDT |
Extended Forecast for
3 Miles ESE Watertown Municipal Airport SD
Today

High: 79 °F
Sunny and
BreezyTonight
Low: 45 °F
Mostly Clear
then Patchy
FogMonday
High: 67 °F
Chance
Showers and
Patchy Fog
then Chance
T-stormsMonday Night
Low: 41 °F
Slight Chance
T-storms then
Slight Chance
ShowersTuesday
High: 62 °F
Partly Sunny
then Chance
ShowersTuesday Night

Low: 42 °F
Slight Chance
ShowersWednesday

High: 68 °F
Chance
ShowersWednesday Night

Low: 45 °F
Slight Chance
ShowersThursday

High: 75 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 79. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 33 mph.
Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 45. West wind 6 to 14 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 67. East wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 41. North northeast wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 62. North wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 42. North wind 6 to 8 mph becoming southeast after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 68. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 45. South southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 75. South wind 10 to 17 mph, with gusts as high as 28 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 43. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
44.91°N 97.11°W (Elev. 1752 ft)
44.91°N 97.11°W (Elev. 1752 ft)
9:46 am CDT Apr 12, 2026
10am CDT Apr 12, 2026-6pm CDT Apr 18, 2026



