Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog/Mist

71°F

22°C

Humidity 96%
Wind Speed SE 8 mph
Barometer 29.90 in (1011.2 mb)
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 15 Aug 5:53 am CDT
Extended Forecast for

South Shore SD

  • Today

    Today: A slight chance of showers and thunderstorms between 11am and 3pm.  Partly sunny, with a high near 81. South wind 6 to 10 mph becoming north northeast in the morning.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 4am.  Mostly cloudy, with a low around 66. East northeast wind 8 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 77. East northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 77 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 64. East northeast wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 75. East wind 11 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 76. Northeast wind around 9 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. East wind 6 to 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. East northeast wind 6 to 8 mph.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 11am and 3pm. Partly sunny, with a high near 81. South wind 6 to 10 mph becoming north northeast in the morning. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 66. East northeast wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 77. East northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 64. East northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 76. Northeast wind around 9 mph.
Monday Night
Partly cloudy, with a low around 62. East wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 79. East northeast wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
South Shore SD
 45.1°N 96.94°W (Elev. 1909 ft)
5:46 am CDT Aug 15, 2025
6am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database