Current Conditions and Humidity
Plano is experiencing a notably humid start to the day this morning. The air temperature sits at 81F, but the heat index makes it feel like 85F. Relative humidity is holding at 79%, with a dew point of 73F indicating significant moisture in the air. Winds are light, blowing at 6 mph with gusts reaching up to 15 mph, while the sky remains clear.
Today and Tonight Forecast
Temperatures will climb significantly throughout the day. The high today is expected to reach near 95F. According to the National Weather Service, heat index values could peak as high as 100. Skies will be mostly sunny initially, but there is a slight chance of showers and thunderstorms developing after 4pm. The chance of precipitation is listed at 20% for this period. South winds will continue at 5 to 10 mph.
As evening approaches, the chance for showers and thunderstorms remains slight before 7pm. The sky will become mostly clear overnight. The low will settle near 79F, with temperatures rising slightly to around 81F during the late night hours. The heat index will drop to values as high as 97. Winds will shift to south southeast at 5 to 10 mph.
Tomorrow Outlook
The heat will persist into tomorrow. The high is forecast to reach near 97F, with heat index values climbing as high as 101. Conditions will mirror today, starting mostly sunny with a slight chance of showers and thunderstorms after 4pm. The precipitation chance is 20%. South winds will remain steady at 5 to 10 mph.
Overnight tomorrow, skies will turn partly cloudy with a low around 79F. A slight chance of showers and thunderstorms is possible before 7pm. The heat index will remain elevated at values as high as 99. Winds will continue from the south southeast at 5 to 10 mph.



