| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 08/11/2026 6:12am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued August 11 at 5:09AM CDT until August 11 at 8:00PM CDT
| Today |
Sunny, with a high near 99. Heat index values as high as 105. South southwest wind around 10 mph, with gusts as high as 20 mph. |
| Tonight |
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Wednesday |
Sunny, with a high near 101. Heat index values as high as 105. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Wednesday Night |
Clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Thursday |
Sunny, with a high near 100. South wind around 15 mph, with gusts as high as 30 mph. |
| Thursday Night |
Clear, with a low around 80. South wind 10 to 15 mph, with gusts as high as 30 mph. |
| Friday |
Sunny, with a high near 99. South wind around 15 mph, with gusts as high as 25 mph. |
| Friday Night |
Clear, with a low around 81. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Saturday |
Sunny, with a high near 101. South southwest wind around 10 mph, with gusts as high as 20 mph. |
| Saturday Night |
Clear, with a low around 81. |
| Sunday |
Sunny, with a high near 101. |
| Sunday Night |
Clear, with a low around 81. |
| Monday |
Sunny, with a high near 101. |
| Monday Night |
Mostly clear, with a low around 81. |
Forecast from NOAA-NWS for Plano, TX.