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

57°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 30.17 in (1021.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Aug 12:53 am CDT
Extended Forecast for

South Shore SD

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 58. Light south southeast wind.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. South southeast wind 6 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 3am. Partly cloudy, with a low around 60. East southeast wind 7 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 79. South wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 82. West wind 10 to 17 mph, with gusts as high as 30 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Northwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 58. Light south southeast wind.
Sunday
Mostly sunny, with a high near 79. South southeast wind 6 to 9 mph.
Sunday Night
A slight chance of showers after 3am. Partly cloudy, with a low around 60. East southeast wind 7 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 79. South wind 8 to 13 mph, with gusts as high as 22 mph.
Monday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 82. West wind 10 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 61. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 77. Northwest wind 11 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Shore SD
 45.1°N 96.94°W (Elev. 1909 ft)
Last Update:
1:31 am CDT Aug 23, 2026
Forecast Valid:
1am CDT Aug 23, 2026-6pm CDT Aug 29, 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