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

66°F

19°C

Humidity 54%
Wind Speed SE 9 mph
Barometer 29.86 in (1010.5 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 24 May 10:53 pm CDT
Extended Forecast for

Webster SD

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 53 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 87. South wind around 8 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South southeast wind 6 to 9 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. South wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. South southeast wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Southeast wind around 11 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. South southeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Calm wind becoming south 5 to 8 mph after midnight.
Memorial Day
Sunny, with a high near 87. South wind around 8 mph.
Monday Night
Mostly clear, with a low around 57. South southeast wind 6 to 9 mph.
Tuesday
Sunny, with a high near 87. South wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 58. South southeast wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 86. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 58. Southeast wind around 11 mph, with gusts as high as 21 mph.
Thursday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 57. South southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Friday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 30%.
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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:
11:36 pm CDT May 24, 2026
Forecast Valid:
11pm CDT May 24, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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