| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/22/2026 6:06am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued September 21 at 3:02PM CDT
| Today |
Sunny. High near 96, with temperatures falling to around 94 in the afternoon. Heat index values as high as 100. North northeast wind 5 to 10 mph. |
| Tonight |
Mostly clear, with a low around 74. Heat index values as high as 97. Northeast wind 5 to 10 mph. |
| Wednesday |
Mostly sunny. High near 95, with temperatures falling to around 93 in the afternoon. Heat index values as high as 101. East northeast wind 5 to 10 mph. |
| Wednesday Night |
Partly cloudy, with a low around 73. Heat index values as high as 97. East wind 5 to 10 mph. |
| Thursday |
Mostly sunny. High near 94, with temperatures falling to around 92 in the afternoon. East wind 5 to 10 mph. |
| Thursday Night |
Partly cloudy. Low around 70, with temperatures rising to around 72 overnight. East wind 5 to 10 mph. |
| Friday |
Mostly sunny, with a high near 93. East southeast wind around 5 mph. |
| Friday Night |
Partly cloudy, with a low around 72. East southeast wind 5 to 10 mph. |
| Saturday |
Partly sunny, with a high near 95. South southeast wind around 5 mph. |
| Saturday Night |
Mostly cloudy, with a low around 75. |
| Sunday |
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%. |
| Sunday Night |
Partly cloudy, with a low around 76. |
| Monday |
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 20%. |
| Monday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Plano, TX.