| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
||||||||||||||||||||||||||||||||||||||||
| Updated: 09/09/2026 6:06am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
Heat Advisory issued September 8 at 11:31PM CDT until September 9 at 8:00PM CDT
| Today |
Sunny, with a high near 100. Heat index values as high as 104. South wind 5 to 10 mph. |
| Tonight |
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 102. South wind 5 to 10 mph. |
| Thursday |
A slight chance of rain showers between 1pm and 4pm, then a chance of showers and thunderstorms. Sunny, with a high near 99. Heat index values as high as 104. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. Heat index values as high as 103. East southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Mostly sunny. High near 99, with temperatures falling to around 97 in the afternoon. South wind 5 to 10 mph. |
| Friday Night |
Mostly clear, with a low around 79. South wind around 10 mph. |
| Saturday |
Sunny, with a high near 100. South wind around 10 mph, with gusts as high as 20 mph. |
| Saturday Night |
Mostly clear, with a low around 79. South southeast wind around 10 mph, with gusts as high as 20 mph. |
| Sunday |
Sunny, with a high near 99. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Sunday Night |
Mostly clear, with a low around 79. |
| Monday |
Sunny, with a high near 99. |
| Monday Night |
Mostly clear, with a low around 78. |
| Tuesday |
Sunny, with a high near 98. |
| Tuesday Night |
Mostly clear, with a low around 77. |
Forecast from NOAA-NWS for Plano, TX.