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

50°F

10°C

Humidity 77%
Wind Speed E 7 mph
Barometer 29.76 in (1008.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Apr 8:53 pm CDT
Extended Forecast for

Webster SD

  • Tonight

    Tonight: Partly cloudy, with a low around 40. East northeast wind around 6 mph becoming south after midnight.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles before 8am. Sunny, with a high near 68. South wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 68 °F

    Chance
    Sprinkles

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. South southeast wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 37. Southwest wind 13 to 16 mph becoming northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of rain and snow showers. Mostly cloudy, with a high near 45. Breezy, with a north wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A slight chance of snow showers. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Saturday

    Saturday: A slight chance of snow showers before 1pm. Partly sunny, with a high near 38. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Northwest wind 8 to 18 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. East northeast wind around 6 mph becoming south after midnight.
Wednesday
A chance of sprinkles before 8am. Sunny, with a high near 68. South wind 6 to 9 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. South southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 77. South southeast wind 11 to 18 mph, with gusts as high as 29 mph.
Thursday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 37. Southwest wind 13 to 16 mph becoming northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 45. Breezy, with a north wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers before 1pm. Partly sunny, with a high near 38. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 24. Northwest wind 8 to 18 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
Last Update:
8:47 pm CDT Apr 14, 2026
Forecast Valid:
9pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation