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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

46°F

8°C

Humidity 61%
Wind Speed E 3 mph
Barometer 29.79 in (1009.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 30 Mar 2:53 am CDT
Extended Forecast for

6 Miles WSW Watertown SD

  • Overnight

    Overnight: Mostly clear, with a low around 35. Northeast wind around 8 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67. East northeast wind 8 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain between 1am and 4am. Mostly cloudy, with a low around 34. Breezy, with an east northeast wind 9 to 14 mph becoming north 16 to 21 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.

    High: 44 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 1pm. Cloudy, with a high near 36. East wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely. Cloudy, with a low around 25. East wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 25 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Cloudy, with a high near 35. East northeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 35 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 25. East wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Northeast wind around 8 mph.
Monday
Mostly sunny, with a high near 67. East northeast wind 8 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A slight chance of rain between 1am and 4am. Mostly cloudy, with a low around 34. Breezy, with an east northeast wind 9 to 14 mph becoming north 16 to 21 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 44. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 23. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Snow likely, mainly after 1pm. Cloudy, with a high near 36. East wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely. Cloudy, with a low around 25. East wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Thursday
Snow likely, mainly before 1pm. Cloudy, with a high near 35. East northeast wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25. East wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 60%.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Saturday
A chance of snow. Mostly cloudy, with a high near 36. Breezy. Chance of precipitation is 40%.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 20. Blustery. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watertown SD
 44.88°N 97.26°W (Elev. 1749 ft)
Last Update:
2:36 am CDT Mar 30, 2026
Forecast Valid:
3am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation