Hazardous Weather Conditions
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Overcast
29°F
-2°C
| Humidity | 89% |
| Wind Speed | N 8 mph |
| Barometer | 29.87 in (1013.6 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 3 Apr 12:53 am CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
Winter Weather Advisory April 3, 07:00am until April 4, 07:00pm
Overnight

Low: 27 °F
Chance
Freezing RainFriday

High: 30 °F
Wintry Mix
Friday Night
Low: 26 °F
Wintry Mix
then Snow
LikelySaturday

High: 33 °F
Snow and
Patchy
Blowing SnowSaturday Night
Low: 23 °F
Patchy
Blowing Snow
then Partly
CloudySunday

High: 40 °F
Mostly Sunny
Sunday Night

Low: 21 °F
Partly Cloudy
Monday

High: 32 °F
Mostly Sunny
Monday Night

Low: 13 °F
Partly Cloudy
Detailed Forecast
Overnight
A chance of freezing rain after 5am. Mostly cloudy, with a low around 27. North northeast wind around 6 mph. Chance of precipitation is 30%.
Friday
Snow, freezing rain, and sleet before 4pm, then a chance of freezing rain and sleet between 4pm and 5pm, then snow and freezing rain after 5pm. High near 30. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New ice accumulation of around a 0.2 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Friday Night
Snow, possibly mixed with freezing rain and sleet, becoming all snow after 10pm. Low around 26. Northeast wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.
Saturday
Snow, mainly before 1pm. Patchy blowing snow after 9am. High near 33. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
Patchy blowing snow before 8pm. Partly cloudy, with a low around 23. West northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 40. West wind 8 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 32. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 13. North wind 5 to 11 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 41. Breezy.
Tuesday Night
Partly cloudy, with a low around 31. Breezy.
Wednesday
Mostly sunny, with a high near 57. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Castlewood SD
44.72°N 96.96°W (Elev. 1749 ft)
44.72°N 96.96°W (Elev. 1749 ft)
12:36 am CDT Apr 3, 2026
12am CDT Apr 3, 2026-6pm CDT Apr 9, 2026



