| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/17/2026 7:46pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued September 17 at 4:08PM CDT
| Tonight |
Mostly clear, with a low around 80. South southeast wind around 5 mph. |
| Friday |
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 99. South wind 0 to 5 mph. |
| Friday Night |
Clear. Low around 77, with temperatures rising to around 79 overnight. Heat index values as high as 98. South southeast wind around 5 mph. |
| Saturday |
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 99. South wind 5 to 10 mph. |
| Saturday Night |
Mostly clear. Low around 77, with temperatures rising to around 79 overnight. South wind around 10 mph. |
| Sunday |
Mostly sunny. High near 99, with temperatures falling to around 97 in the afternoon. South wind 5 to 10 mph. |
| Sunday Night |
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 78. South wind around 5 mph. Chance of precipitation is 20%. |
| Monday |
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 97. South wind around 5 mph. Chance of precipitation is 30%. |
| Monday Night |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 20%. |
| Tuesday |
Mostly sunny, with a high near 95. |
| Tuesday Night |
Partly cloudy, with a low around 74. |
| Wednesday |
Mostly sunny, with a high near 96. |
| Wednesday Night |
Partly cloudy, with a low around 75. |
| Thursday |
Mostly sunny, with a high near 95. |
Forecast from NOAA-NWS for Plano, TX.