| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
||||||||||||||||||||||||||||||||||||||||
| Updated: 08/23/2026 2:52pm | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
Extreme Heat Warning issued August 23 at 11:18AM CDT until August 24 at 9:00PM CDT
| This Afternoon |
Mostly sunny, with a high near 107. Heat index values as high as 110. Southwest wind 5 to 10 mph. |
| Tonight |
Mostly clear. Low around 84, with temperatures rising to around 87 overnight. Heat index values as high as 106. South wind 5 to 10 mph, with gusts as high as 20 mph. |
| Monday |
Mostly sunny, with a high near 107. Heat index values as high as 105. Southwest wind around 10 mph, with gusts as high as 20 mph. |
| Monday Night |
A slight chance of showers and thunderstorms after 4am. Mostly clear. Low around 84, with temperatures rising to around 86 overnight. Heat index values as high as 104. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tuesday |
A slight chance of showers and thunderstorms before 7am. Sunny. High near 106, with temperatures falling to around 104 in the afternoon. South southwest wind around 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
Mostly clear. Low around 83, with temperatures rising to around 85 overnight. South wind around 10 mph. |
| Wednesday |
Mostly sunny, with a high near 103. West southwest wind 5 to 10 mph. |
| Wednesday Night |
Partly cloudy, with a low around 80. North northeast wind around 5 mph. |
| Thursday |
A slight chance of rain showers between 7am and 1pm. Sunny, with a high near 101. Northeast wind 5 to 10 mph. Chance of precipitation is 20%. |
| Thursday Night |
Partly cloudy, with a low around 79. |
| Friday |
Mostly sunny, with a high near 101. |
| Friday Night |
Mostly clear, with a low around 79. |
| Saturday |
Sunny, with a high near 101. |
| Saturday Night |
Mostly clear, with a low around 80. |
Forecast from NOAA-NWS for Plano, TX.