| National Weather Service Forecast for:
Pecan Grove, TX Issued by: National Weather Service Houston/Galveston/Dickinson, TX |
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| Updated: Fri, 21-Aug-2026 2:46pm CDT | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued August 21 at 2:50PM CDT until August 22 at 7:00PM CDT
Heat Advisory issued August 21 at 6:34AM CDT until August 22 at 7:00PM CDT
| This Afternoon |
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 100. Heat index values as high as 121. Southwest wind around 5 mph. Chance of precipitation is 20%. |
| Tonight |
A slight chance of showers and thunderstorms before 7pm, then patchy fog. Mostly clear, with a low around 78. Heat index values as high as 109. South wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Patchy fog before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 100. Heat index values as high as 106. Southwest wind around 5 mph. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of showers and thunderstorms before 1am, then patchy fog. Partly cloudy, with a low around 77. Heat index values as high as 107. South wind 5 to 10 mph. Chance of precipitation is 20%. |
| Sunday |
Patchy fog before 8am. Sunny, with a high near 100. South wind 0 to 10 mph. |
| Sunday Night |
Mostly clear, with a low around 78. |
| Monday |
Sunny, with a high near 100. |
| Monday Night |
Mostly clear, with a low around 77. |
| Tuesday |
Sunny, with a high near 100. |
| Tuesday Night |
Clear, with a low around 78. |
| Wednesday |
Sunny, with a high near 100. |
| Wednesday Night |
Mostly clear, with a low around 78. |
| Thursday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. |
Forecast from NOAA-NWS for Pecan Grove, TX.