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.

Overcast

33°F

1°C

Humidity 78%
Wind Speed N 12 mph
Barometer 29.91 in (1015.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 10 Mar 2:53 pm CDT
Extended Forecast for

6 Miles ESE Castlewood SD

  • This Afternoon

    This Afternoon: A chance of snow, mainly after 4pm. Mostly cloudy, with a steady temperature around 29. North northeast wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly before 2am. Low around 23. North wind 11 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Snow then
    Snow Likely

  • Wednesday

    Wednesday: A slight chance of snow after 4pm. Mostly sunny, with a high near 38. West wind 10 to 13 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. West northwest wind 6 to 9 mph becoming south southwest after midnight.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 47. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 21 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow and
    Blustery

  • Friday

    Friday: Mostly cloudy, with a high near 35. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 23. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 23 °F

    Chance Snow
    then Snow
    Likely

  • Saturday

    Saturday: A chance of snow. Cloudy, with a high near 35. Northeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 35 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of snow, mainly after 4pm. Mostly cloudy, with a steady temperature around 29. North northeast wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
Snow, mainly before 2am. Low around 23. North wind 11 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A slight chance of snow after 4pm. Mostly sunny, with a high near 38. West wind 10 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 22. West northwest wind 6 to 9 mph becoming south southwest after midnight.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 47. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 21 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 35. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Friday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 23. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Saturday
A chance of snow. Cloudy, with a high near 35. Northeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday Night
Snow likely. Cloudy, with a low around 12. Chance of precipitation is 70%.
Sunday
A chance of snow. Mostly cloudy, with a high near 20. Blustery. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 2.
Monday
Partly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Castlewood SD
 44.7°N 96.93°W (Elev. 1703 ft)
Last Update:
2:36 pm CDT Mar 10, 2026
Forecast Valid:
3pm CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation