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

64°F

18°C

Humidity 33%
Wind Speed Calm
Barometer 29.83 in (1010.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 29 Mar 2:53 pm CDT
Extended Forecast for

Webster SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. East northeast wind around 6 mph becoming northwest.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind 8 to 10 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. East northeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain between 1am and 2am. Mostly cloudy, with a low around 33. Breezy, with a northeast wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 36 mph.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. Northeast wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of snow after 1pm. Mostly cloudy, with a high near 40. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 28. East southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 42. Breezy, with an east southeast wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 66. East northeast wind around 6 mph becoming northwest.
Tonight
Partly cloudy, with a low around 33. North wind 8 to 10 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 64. East northeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A slight chance of rain between 1am and 2am. Mostly cloudy, with a low around 33. Breezy, with a northeast wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 41. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 36 mph.
Tuesday Night
Partly cloudy, with a low around 21. Northeast wind 9 to 16 mph, with gusts as high as 26 mph.
Wednesday
A chance of snow after 1pm. Mostly cloudy, with a high near 40. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 28. East southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 42. Breezy, with an east southeast wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 30%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 44. Breezy. Chance of precipitation is 60%.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
Last Update:
2:36 pm CDT Mar 29, 2026
Forecast Valid:
2pm CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation