| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 08/15/2026 11:22am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued August 15 at 11:17AM CDT until August 16 at 8:00PM CDT
| Today |
Sunny, with a high near 101. Heat index values as high as 106. South southwest wind around 10 mph, with gusts as high as 20 mph. |
| Tonight |
Mostly clear. Low around 81, with temperatures rising to around 83 overnight. Heat index values as high as 104. South southwest wind around 10 mph, with gusts as high as 20 mph. |
| Sunday |
Sunny, with a high near 102. Heat index values as high as 104. South southwest wind 5 to 10 mph. |
| Sunday Night |
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 102. South southwest wind 5 to 10 mph. |
| Monday |
Sunny, with a high near 102. Southwest wind around 5 mph. |
| Monday Night |
Mostly clear. Low around 81, with temperatures rising to around 83 overnight. South wind 5 to 10 mph. |
| Tuesday |
Sunny, with a high near 102. South southwest wind 5 to 10 mph. |
| Tuesday Night |
Clear, with a low around 81. South wind around 10 mph. |
| Wednesday |
Sunny, with a high near 103. South southwest wind around 10 mph, with gusts as high as 20 mph. |
| Wednesday Night |
Clear, with a low around 81. |
| Thursday |
Sunny, with a high near 102. |
| Thursday Night |
Mostly clear, with a low around 80. |
| Friday |
Mostly sunny, with a high near 101. |
| Friday Night |
Mostly clear, with a low around 79. |
Forecast from NOAA-NWS for Plano, TX.