Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

82°F

28°C

Humidity 67%
Wind Speed S 9 mph
Barometer 29.97 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Aug 12:53 pm CDT
Extended Forecast for

4 Miles N Wallace SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. East wind 8 to 11 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 5am.  Increasing clouds, with a low around 67. East wind around 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 4pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 81. East wind 14 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 63. East southeast wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 79. North wind 8 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. East northeast wind 6 to 10 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

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. East northeast wind 6 to 9 mph becoming southeast after midnight.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Southeast wind 6 to 9 mph.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. East wind 8 to 11 mph.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 67. East wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely, mainly before 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. East wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 63. East southeast wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 79. North wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 62. East northeast wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 79. East northeast wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 60. East northeast wind 6 to 9 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 80. Southeast wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 40%.
Friday
A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Wallace SD
 45.14°N 97.48°W (Elev. 1824 ft)
12:46 pm CDT Aug 16, 2025
1pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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