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.

A Few Clouds

67°F

19°C

Humidity 39%
Wind Speed NW 12 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 12 Sep 5:53 pm CDT
Extended Forecast for

3 Miles S Webster SD

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 50 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 68. East wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 4am. Increasing clouds, with a low around 53. East wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 53 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 68. Breezy, with a southeast wind 17 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Northwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Light and variable wind becoming east southeast around 6 mph in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 66. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 50. East southeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A slight chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 68. East wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers after 4am. Increasing clouds, with a low around 53. East wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 68. Breezy, with a southeast wind 17 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Mostly clear, with a low around 49. West wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 66. Northwest wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. Light and variable wind becoming east southeast around 6 mph in the evening.
Wednesday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 66. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 50. East southeast wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
A chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Webster SD
 45.29°N 97.52°W (Elev. 1824 ft)
Last Update:
6:21 pm CDT Sep 12, 2026
Forecast Valid:
6pm CDT Sep 12, 2026-6pm CDT Sep 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation