Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
50°F
10°C
| Humidity | 68% |
| Wind Speed | SW 9 mph |
| Barometer | 29.85 in (1012.6 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 18 Mar 2:53 pm CDT |
Extended Forecast for
3 Miles ESE Watertown Municipal Airport SD
This Afternoon

High: 53 °F
Mostly Sunny
Tonight
Low: 31 °F
Mostly Cloudy
then Patchy
FogThursday
High: 54 °F
Patchy Fog
then Mostly
SunnyThursday Night

Low: 38 °F
Partly Cloudy
Friday

High: 63 °F
Mostly Sunny
Friday Night

Low: 38 °F
Partly Cloudy
Saturday

High: 69 °F
Mostly Sunny
Saturday Night

Low: 29 °F
Mostly Cloudy
Sunday

High: 40 °F
Partly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 53. West wind 11 to 13 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 31. West southwest wind 5 to 8 mph becoming north after midnight.
Thursday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. South southwest wind around 9 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 63. West northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind around 9 mph becoming east southeast in the evening.
Saturday
Mostly sunny, with a high near 69. South southwest wind 9 to 15 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 around 16 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 40. North wind around 17 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 51.
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)
2:36 pm CDT Mar 18, 2026
2pm CDT Mar 18, 2026-6pm CDT Mar 24, 2026


