| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 08/31/2026 1:26am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued August 30 at 12:38PM CDT
| Overnight |
Clear, with a low around 80. South wind 5 to 10 mph. |
| Monday |
Sunny, with a high near 100. Heat index values as high as 101. South wind 5 to 10 mph. |
| Monday Night |
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 101. South southeast wind 5 to 10 mph. |
| Tuesday |
Sunny, with a high near 99. Heat index values as high as 103. Southeast wind 5 to 10 mph. |
| Tuesday Night |
Mostly clear. Low around 78, with temperatures rising to around 80 overnight. Southeast wind 5 to 10 mph. |
| Wednesday |
Sunny, with a high near 97. South southeast wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph. |
| Thursday |
Sunny, with a high near 97. South southeast wind 5 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 77. South southeast wind around 10 mph, with gusts as high as 20 mph. |
| Friday |
Sunny, with a high near 97. |
| Friday Night |
Mostly clear, with a low around 78. |
| Saturday |
Sunny, with a high near 98. |
| Saturday Night |
Mostly clear, with a low around 79. |
| Sunday |
Sunny, with a high near 100. |
Forecast from NOAA-NWS for Plano, TX.