| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 08/22/2026 6:12pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued August 22 at 2:14PM CDT
Heat Advisory issued August 22 at 11:15AM CDT until August 22 at 8:00PM CDT
| Tonight |
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 83. Heat index values as high as 104. East southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 106. Heat index values as high as 108. South southwest wind 5 to 10 mph. |
| Sunday Night |
Mostly clear. Low around 85, with temperatures rising to around 87 overnight. Heat index values as high as 109. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. |
| Monday |
Mostly sunny, with a high near 107. Heat index values as high as 111. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Monday Night |
Mostly clear. Low around 84, with temperatures rising to around 86 overnight. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tuesday |
Sunny, with a high near 107. Southwest wind around 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 83. South southwest wind around 10 mph. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 104. West southwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 79. East northeast wind around 5 mph. Chance of precipitation is 20%. |
| Thursday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 102. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 79. Chance of precipitation is 20%. |
| Friday |
Sunny, with a high near 101. |
| Friday Night |
Mostly clear, with a low around 80. |
| Saturday |
Sunny, with a high near 102. |
Forecast from NOAA-NWS for Plano, TX.