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

54°F

12°C

Humidity 62%
Wind Speed Calm
Barometer 29.75 in (1007.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 Mar 9:53 am CDT
Extended Forecast for

Webster SD

  • Today

    Today: Sunny, with a high near 71. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 30. North northeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 41. North northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. North northwest wind 6 to 8 mph becoming east southeast after midnight.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain after 1pm. Partly sunny, with a high near 51. South wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. East wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. East wind around 11 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. East southeast wind 11 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 71. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tonight
A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 30. North northeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 41. North northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 26. North northwest wind 6 to 8 mph becoming east southeast after midnight.
Monday
A slight chance of rain after 1pm. Partly sunny, with a high near 51. South wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 36. South wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 53. East wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 35. East wind around 11 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 60. East southeast wind 11 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 41. Breezy.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 41.
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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:
9:36 am CDT Mar 21, 2026
Forecast Valid:
9am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation