| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/13/2026 6:11pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued September 13 at 11:32AM CDT until September 14 at 8:00PM CDT
| Tonight |
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. |
| Monday |
Sunny, with a high near 100. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 25 mph. |
| Monday Night |
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 101. South wind 10 to 15 mph. |
| Tuesday |
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. Heat index values as high as 102. South wind around 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
Mostly clear. Low around 80, with temperatures rising to around 82 overnight. 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. South southeast wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph. |
| Thursday |
Sunny, with a high near 98. South southeast wind 5 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph. |
| Friday |
Sunny, with a high near 98. |
| Friday Night |
Mostly clear, with a low around 76. |
| Saturday |
Sunny, with a high near 97. |
| Saturday Night |
Mostly clear, with a low around 76. |
| Sunday |
A slight chance of rain showers after 7am. Mostly sunny, with a high near 94. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Plano, TX.