*As of Aug 20, 2 PM local time.*
Dangerous Heat Conditions
Prosper, Texas, is currently under an Extreme Heat Warning issued by the National Weather Service in Fort Worth. This severe alert remains in effect until August 21 at 8:00 PM CDT. The danger is immediate and significant, with current air temperatures at 100F while the heat index makes it feel like 105F.
Relative humidity stands at 33% with a dew point of 66F. Winds are light from the southwest at around 5 mph, though gusts have reached 10 mph. The sky remains clear as the region bakes under intense sun.
Forecast Outlook
Today will see sunny skies with a high near 104F. Heat index values are expected to climb as high as 107 during the afternoon hours. Tonight, conditions will remain mostly clear with a low around 82F.
Temperatures may rise slightly to around 84 overnight. There is a slight chance of showers and thunderstorms between 7pm and 10pm, though the overall chance of precipitation for the day is only 6%. Winds will shift to the south at around 5 mph.
Tomorrow brings continued extreme heat with sunny skies and a high near 105F. The heat index is forecast to reach as high as 110, marking a dangerous escalation in thermal stress. A slight chance of showers and thunderstorms is possible after 4pm, bringing the total precipitation chance to 22%.
Winds will be from the south southwest at around 5 mph. Tomorrow night will see partly cloudy skies with a low around 81F. Another slight chance of showers and thunderstorms may occur before 10pm, with temperatures rising to around 83 overnight.
