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Hazardous Weather Conditions
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
58°F
14°C
| Humidity | 90% |
| Wind Speed | SW 9 mph |
| Barometer | 29.32 in (992.4 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jun 5:53 am CDT |
Extended Forecast for
4 Miles W Altamont SD
Today
High: 69 °F
Breezy.
Chance
Showers then
ShowersTonight
Low: 49 °F
Showers
Likely and
Breezy then
Partly CloudyThursday

High: 69 °F
Mostly Sunny
Thursday Night
Low: 49 °F
Mostly Clear
then Slight
Chance
T-stormsJuneteenth
High: 75 °F
Slight Chance
T-storms then
SunnyFriday Night

Low: 51 °F
Partly Cloudy
Saturday

High: 76 °F
Mostly Sunny
Saturday Night

Low: 54 °F
Chance
ShowersSunday

High: 70 °F
Chance
Showers
Detailed Forecast
Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 69. Breezy, with a west southwest wind 10 to 15 mph becoming west northwest 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Breezy, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 69. North northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 49. Northwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 20%.
Juneteenth
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 75. West southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Friday Night
Partly cloudy, with a low around 51. Northwest wind 6 to 11 mph becoming light north northwest in the evening.
Saturday
Mostly sunny, with a high near 76. Light north northeast wind becoming east 5 to 9 mph in the morning.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54. East northeast wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 70. East northeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Monday
A slight chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 20%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles W Altamont SD
44.85°N 96.78°W (Elev. 1900 ft)
44.85°N 96.78°W (Elev. 1900 ft)
5:36 am CDT Jun 17, 2026
6am CDT Jun 17, 2026-6pm CDT Jun 23, 2026



