Hazardous Weather Conditions
Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
12°F
-11°C
| Humidity | 58% |
| Wind Speed | N 15 mph |
| Barometer | 30.15 in (1025.1 mb) |
| Dewpoint | 0°F (-18°C) |
| Visibility | 10.00 mi |
| Wind Chill | -4°F (-20°C) |
| Last update | 16 Mar 4:53 pm CDT |
Extended Forecast for
4 Miles ESE Castlewood SD
Tonight

Low: -5 °F
Partly Cloudy
Tuesday
High: 28 °F
Snow Likely
then Snow and
Patchy
Blowing SnowTuesday Night
Low: 23 °F⇑
Slight Chance
Snow then
Partly CloudyWednesday

High: 41 °F
Partly Sunny
Wednesday Night

Low: 31 °F
Partly Cloudy
Thursday

High: 54 °F
Mostly Sunny
Thursday Night

Low: 39 °F
Partly Cloudy
Friday

High: 63 °F
Mostly Sunny
Friday Night

Low: 39 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around -5. North northwest wind 9 to 14 mph becoming light and variable after midnight.
Tuesday
Snow, mainly before 3pm. Patchy blowing snow between noon and 4pm. High near 28. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
A slight chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a temperature falling to near 23 by 8pm, then rising to around 28 during the remainder of the night. South southwest wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 10%.
Wednesday
Partly sunny, with a high near 41. West southwest wind 9 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 31. West wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 54. West southwest wind 6 to 11 mph.
Thursday Night
Partly cloudy, with a low around 39. Southwest wind around 9 mph.
Friday
Mostly sunny, with a high near 63. West northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 39. West northwest wind 11 to 14 mph becoming southwest after midnight.
Saturday
Mostly sunny, with a high near 60. Breezy.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 44.
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)
5:37 pm CDT Mar 16, 2026
5pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026



