| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/14/2026 6:06pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued September 14 at 12:10PM CDT until September 15 at 8:00PM CDT
| Tonight |
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. |
| Tuesday |
Sunny, with a high near 101. Heat index values as high as 104. South wind around 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
Clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 102. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. |
| Wednesday |
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 100. South southeast wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear. Low around 79, with temperatures rising to around 81 overnight. South southeast wind 5 to 10 mph. |
| Thursday |
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. South southeast wind 5 to 10 mph. |
| Thursday Night |
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph. |
| Friday |
Sunny, with a high near 98. South wind 5 to 10 mph. |
| Friday Night |
Mostly clear, with a low around 76. South wind 5 to 10 mph. |
| Saturday |
Sunny, with a high near 98. |
| Saturday Night |
Mostly clear, with a low around 76. |
| Sunday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%. |
| Sunday Night |
A slight chance of rain showers. Partly cloudy, with a low around 74. Chance of precipitation is 20%. |
| Monday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Plano, TX.