| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 07/29/2026 1:26am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued July 29 at 12:30AM CDT until July 29 at 8:00PM CDT
| Overnight |
Mostly clear. Low around 81, with temperatures rising to around 83 overnight. South southwest wind around 5 mph. |
| Wednesday |
Mostly sunny, with a high near 101. Heat index values as high as 108. South southwest wind 5 to 10 mph. |
| Wednesday Night |
Partly cloudy, with a low around 82. Heat index values as high as 106. South wind 5 to 10 mph. |
| Thursday |
Sunny, with a high near 101. Heat index values as high as 108. South southwest wind 5 to 10 mph. |
| Thursday Night |
Mostly clear. Low around 82, with temperatures rising to around 84 overnight. South southeast wind around 10 mph. |
| Friday |
Sunny, with a high near 104. Southwest wind around 10 mph. |
| Friday Night |
Mostly clear, with a low around 82. Southwest wind 5 to 10 mph. |
| Saturday |
Sunny, with a high near 99. Northwest wind 10 to 15 mph. |
| Saturday Night |
Mostly clear, with a low around 77. North northeast wind 5 to 15 mph. |
| Sunday |
Sunny, with a high near 96. |
| Sunday Night |
Clear, with a low around 76. |
| Monday |
Sunny, with a high near 98. |
| Monday Night |
Mostly clear, with a low around 78. |
| Tuesday |
Sunny, with a high near 99. |
Forecast from NOAA-NWS for Plano, TX.