*As of Aug 18, 11 AM local time.*
Dangerous Heat Conditions Underway
An Extreme Heat Warning is currently in effect for Prosper, Texas, signaling severe danger from the intense heat. This alert remains active until 8:00 PM CDT today. Additionally, a Heat Advisory is in place with moderate severity, lasting until 12:00 PM CDT tomorrow.
Current conditions reflect the intensity of this event. At this morning’s observation, the air temperature stood at 95F, but the heat index made it feel like 97F. The relative humidity was recorded at 37%, with a dew point of 64F. Winds were blowing from the southwest at 9 mph, with gusts reaching up to 14 mph, under a clear sky.
Forecast for Today and Tomorrow
Today will be sunny with a high near 106F. The National Weather Service indicates heat index values could reach as high as 107. Winds are expected to shift to the southwest around 5 mph. There is only a 1% chance of precipitation.
Tonight, skies will become mostly clear. Temperatures will drop to a low near 82F but will rise to around 85F during the overnight hours. The heat index will remain high at values up to 106. South winds will increase slightly to between 5 and 10 mph.
Tomorrow remains sunny with a high near 104F. Heat index values are forecast to stay elevated, reaching as high as 106. Winds will come from the south southwest around 10 mph.
The chance of rain is minimal at 1%. Overnight tomorrow, conditions will be mostly clear with a low around 82F and temperatures rising to about 84F. Heat index values will continue to hit 106, with south winds around 10 mph.



