Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
74°F
23°C
| Humidity | 50% |
| Wind Speed | NE 8 mph |
| Barometer | 30.21 in (1022.3 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 22 Aug 10:53 am CDT |
Extended Forecast for
2 Miles W Altamont SD
Today

High: 76 °F
Sunny
Tonight

Low: 54 °F
Mostly Clear
Sunday

High: 78 °F
Mostly Sunny
Sunday Night

Low: 60 °F
Chance
ShowersMonday

High: 78 °F
Slight Chance
ShowersMonday Night
Low: 62 °F
Partly Cloudy
then Slight
Chance
T-stormsTuesday

High: 82 °F
Mostly Sunny
Tuesday Night

Low: 61 °F
Mostly Clear
Wednesday

High: 79 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 76. North wind around 9 mph.
Tonight
Mostly clear, with a low around 54. North northeast wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 78. Light south wind becoming south southeast 5 to 9 mph in the morning.
Sunday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 60. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers before 1pm. Partly sunny, with a high near 78. South southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 7 to 9 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 82. West wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 61. West wind 7 to 10 mph.
Wednesday
Sunny, with a high near 79. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 80.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles W Altamont SD
44.83°N 96.72°W (Elev. 1860 ft)
44.83°N 96.72°W (Elev. 1860 ft)
11:06 am CDT Aug 22, 2026
11am CDT Aug 22, 2026-6pm CDT Aug 28, 2026


