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.

Mostly Cloudy

29°F

-2°C

Humidity 69%
Wind Speed NE 9 mph
Barometer 30.20 in (1024.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 31 Mar 10:53 pm CDT
Extended Forecast for

4 Miles ESE Castlewood SD

Winter Weather Advisory April 1, 07:00am until April 2, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. East northeast wind 8 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow between 8am and 4pm, then rain and snow likely. Mostly cloudy, with a high near 36. East wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain, snow, freezing rain, and sleet before 4am, then freezing rain, possibly mixed with sleet between 4am and 5am, then freezing rain, possibly mixed with snow and sleet after 5am. Low around 27. Breezy, with an east wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. 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.

    Low: 27 °F

    Wintry Mix
    and Breezy

  • Thursday

    Thursday: Snow, freezing rain, and sleet before 10am, then snow, possibly mixed with sleet. High near 31. East 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 one inch possible.

    High: 31 °F

    Wintry Mix

  • Thursday Night

    Thursday Night: A chance of freezing rain after 1am, mixing with snow after 4am. Cloudy, with a low around 25. North wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Cloudy then
    Chance Wintry
    Mix

  • Friday

    Friday: Snow, possibly mixed with freezing rain. High near 32. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Wintry Mix

  • Friday Night

    Friday Night: Snow likely, possibly mixed with freezing rain, becoming all snow after 7pm. Patchy blowing snow between 2am and 5am. Cloudy, with a low around 24. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 24 °F

    Wintry Mix
    Likely then
    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow likely, mainly before 1pm. Patchy blowing snow. Cloudy, with a high near 32. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    High: 32 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Patchy blowing snow before midnight. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. East northeast wind 8 to 10 mph.
Wednesday
A chance of snow between 8am and 4pm, then rain and snow likely. Mostly cloudy, with a high near 36. East wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, snow, freezing rain, and sleet before 4am, then freezing rain, possibly mixed with sleet between 4am and 5am, then freezing rain, possibly mixed with snow and sleet after 5am. Low around 27. Breezy, with an east wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. 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
Snow, freezing rain, and sleet before 10am, then snow, possibly mixed with sleet. High near 31. East 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 one inch possible.
Thursday Night
A chance of freezing rain after 1am, mixing with snow after 4am. Cloudy, with a low around 25. North wind 8 to 10 mph. Chance of precipitation is 40%.
Friday
Snow, possibly mixed with freezing rain. High near 32. East northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, possibly mixed with freezing rain, becoming all snow after 7pm. Patchy blowing snow between 2am and 5am. Cloudy, with a low around 24. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday
Snow likely, mainly before 1pm. Patchy blowing snow. Cloudy, with a high near 32. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Saturday Night
Patchy blowing snow before midnight. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 41.
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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:
11:36 pm CDT Mar 31, 2026
Forecast Valid:
11pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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