| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/01/2026 1:26am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued August 31 at 3:45PM CDT
| Overnight |
Clear. Low around 80, with temperatures rising to around 82 overnight. South southeast wind around 5 mph. |
| Tuesday |
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 99. Heat index values as high as 102. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms. Mostly clear. Low around 78, with temperatures rising to around 80 overnight. Heat index values as high as 100. Southeast wind 5 to 10 mph. |
| Wednesday |
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 98. Heat index values as high as 103. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
| Wednesday Night |
A chance of showers and thunderstorms. Partly cloudy. Low around 77, with temperatures rising to around 79 overnight. Southeast wind 10 to 15 mph. Chance of precipitation is 40%. |
| Thursday |
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 93, with temperatures falling to around 91 in the afternoon. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. |
| Thursday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
| Friday |
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 97. South wind 5 to 10 mph. |
| Friday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. South southeast wind 5 to 10 mph. |
| Saturday |
Sunny, with a high near 97. |
| Saturday Night |
Mostly clear, with a low around 78. |
| Sunday |
Sunny, with a high near 99. |
| Sunday Night |
Mostly clear, with a low around 78. |
| Labor Day |
Sunny, with a high near 100. |
Forecast from NOAA-NWS for Plano, TX.