| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 08/25/2026 7:06pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued August 25 at 2:35PM CDT
Extreme Heat Warning issued August 25 at 12:37PM CDT until August 25 at 9:00PM CDT
Heat Advisory issued August 25 at 12:37PM CDT until August 26 at 9:00PM CDT
| Tonight |
Mostly clear, with a low around 84. Heat index values as high as 98. South southwest wind around 10 mph, with gusts as high as 20 mph. |
| Wednesday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny. High near 101, with temperatures falling to around 98 in the afternoon. Heat index values as high as 104. West wind around 10 mph. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms. Mostly clear, with a low around 79. Heat index values as high as 102. North wind around 5 mph. Chance of precipitation is 20%. |
| Thursday |
A slight chance of rain showers before 1pm. Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 100. North northeast wind 5 to 10 mph. Chance of precipitation is 20%. |
| Thursday Night |
Mostly clear. Low around 77, with temperatures rising to around 79 overnight. Northeast wind 5 to 10 mph. |
| Friday |
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. East northeast wind 5 to 10 mph. |
| Friday Night |
Clear, with a low around 77. East wind 5 to 10 mph. |
| Saturday |
Sunny, with a high near 100. Southeast wind 5 to 10 mph. |
| Saturday Night |
Clear, with a low around 79. Southeast wind around 10 mph. |
| Sunday |
Sunny, with a high near 101. |
| Sunday Night |
Clear, with a low around 79. |
| Monday |
Sunny, with a high near 100. |
| Monday Night |
Mostly clear, with a low around 79. |
| Tuesday |
Sunny, with a high near 100. |
Forecast from NOAA-NWS for Plano, TX.