| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 08/17/2026 6:12am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued August 17 at 12:57AM CDT until August 17 at 8:00PM CDT
Air Quality Alert issued August 16 at 5:40PM CDT
| Today |
Sunny, with a high near 105. Heat index values as high as 105. West southwest wind around 5 mph. |
| Tonight |
Mostly clear. Low around 81, with temperatures rising to around 83 overnight. Heat index values as high as 103. South southeast wind around 5 mph. |
| Tuesday |
Sunny, with a high near 105. Heat index values as high as 108. Southwest wind 5 to 10 mph. |
| Tuesday Night |
Mostly clear. Low around 82, with temperatures rising to around 85 overnight. Heat index values as high as 106. South wind around 10 mph. |
| Wednesday |
Sunny, with a high near 103. South southwest wind around 10 mph. |
| Wednesday Night |
Mostly clear. Low around 82, with temperatures rising to around 84 overnight. South wind around 10 mph. |
| Thursday |
Sunny, with a high near 102. South southwest wind 5 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 81. South wind around 5 mph. |
| Friday |
Sunny, with a high near 101. South southwest wind around 5 mph. |
| Friday Night |
Mostly clear, with a low around 79. |
| Saturday |
Sunny, with a high near 101. |
| Saturday Night |
Mostly clear, with a low around 79. |
| Sunday |
Sunny, with a high near 102. |
| Sunday Night |
Mostly clear, with a low around 80. |
Forecast from NOAA-NWS for Plano, TX.