National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Snow Fog/Mist

32°F

0°C

Humidity 88%
Wind Speed E 12 G 22 mph
Barometer 29.91 in (1014.5 mb)
Dewpoint 29°F (-2°C)
Visibility 1.75 mi
Wind Chill23°F (-5°C)
Last update 2 Apr 12:53 am CDT
Extended Forecast for

4 Miles ESE Castlewood SD

Winter Weather Advisory April 2, 01:07am until April 2, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 2, 01:07am until April 2, 07:00pm

    NOW until 7:00pm Thu

    Winter Weather Advisory

  • Overnight

    Low: 28 °F

    Wintry Mix

  • Thursday

    Thursday: Snow, freezing rain, and sleet before 2pm, then a chance of snow. Patchy blowing snow between 10am and 11am. High near 32. Northeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

    High: 32 °F

    Wintry Mix
    and Patchy
    Blowing Snow
    then Wintry
    Mix Likely

  • Thursday Night

    Thursday Night: A chance of freezing rain after 4am. Mostly cloudy, with a low around 24. North northeast wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Cloudy then
    Chance
    Freezing Rain

  • Friday

    Friday: Freezing rain before 1pm, then snow, possibly mixed with freezing rain. High near 31. East northeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Freezing Rain
    then Wintry
    Mix

  • Friday Night

    Friday Night: Snow, possibly mixed with freezing rain, becoming all snow after 7pm. Low around 26. Northeast wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Wintry Mix
    then Snow

  • Saturday

    Saturday: Snow likely, mainly before 1pm. Patchy blowing snow. Cloudy, with a high near 33. Breezy, with a west northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Patchy blowing snow before 11pm. Partly cloudy, with a low around 20. West northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 20 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. West wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 41 °F

    Sunny

Detailed Forecast

Overnight
Snow before 4am, then a chance of snow and freezing rain. Low around 28. East wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.
Thursday
Snow, freezing rain, and sleet before 2pm, then a chance of snow. Patchy blowing snow between 10am and 11am. High near 32. Northeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Thursday Night
A chance of freezing rain after 4am. Mostly cloudy, with a low around 24. North northeast wind 7 to 10 mph. Chance of precipitation is 30%.
Friday
Freezing rain before 1pm, then snow, possibly mixed with freezing rain. High near 31. East northeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Friday Night
Snow, possibly mixed with freezing rain, becoming all snow after 7pm. Low around 26. Northeast wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 1pm. Patchy blowing snow. Cloudy, with a high near 33. Breezy, with a west northwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Patchy blowing snow before 11pm. Partly cloudy, with a low around 20. West northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 41. West wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 23. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy, with a high near 34.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 43. Breezy.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
A slight chance of rain. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
Last Update:
12:36 am CDT Apr 2, 2026
Forecast Valid:
1am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation