| National Weather Service Forecast for:
Plano, TX Issued by: National Weather Service Fort Worth/Dallas, TX |
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| Updated: 09/29/2026 6:06am | ||||||||||||||||||||||||||||||||||||||||
| Plano, Collin County, Texas | ||||||||||||||||||||||||||||||||||||||||
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Flood Watch issued September 29 at 1:43AM CDT until October 1 at 1:00PM CDT
| Today |
Mostly sunny, with a high near 93. Heat index values as high as 97. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. |
| Tonight |
Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. |
| Wednesday |
A chance of showers and thunderstorms after 1pm. Partly sunny. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 101. South southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
Showers and thunderstorms. Mostly cloudy. Low around 73, with temperatures rising to around 75 overnight. Heat index values as high as 97. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
| Thursday |
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. High near 83, with temperatures falling to around 79 in the afternoon. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. |
| Thursday Night |
Showers and thunderstorms. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. |
| Friday |
Showers and thunderstorms. Cloudy, with a high near 79. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. |
| Friday Night |
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. North wind 5 to 10 mph. Chance of precipitation is 70%. |
| Saturday |
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. North wind 5 to 10 mph. Chance of precipitation is 60%. |
| Saturday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%. |
| Sunday |
A chance of rain showers. Partly sunny, with a high near 79. Chance of precipitation is 30%. |
| Sunday Night |
A slight chance of rain showers. Partly cloudy, with a low around 63. Chance of precipitation is 20%. |
| Monday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 78. Chance of precipitation is 20%. |
| Monday Night |
Mostly clear, with a low around 61. |
Forecast from NOAA-NWS for Plano, TX.