Extreme Heat Warning and Air Quality Alert in Effect for Prosper - Aug 17, 5 PM

*As of Aug 17, 5 PM local time.*

Dangerous Heat Conditions Underway

An Extreme Heat Warning is currently in effect for Prosper, Texas, signaling severe and potentially dangerous heat conditions. The warning remains active until Monday at 8:00 PM CDT. In addition to the extreme heat threat, a Heat Advisory is also in place until Monday at 12:00 PM CDT, indicating that hot temperatures are expected to persist during the early part of the day.

Current conditions reflect the intensity of this weather pattern. The air temperature stands at 102F, but the combination of heat and humidity results in a feels-like temperature of 105F. Relative humidity is at 28%, with a dew point of 63F. Winds are light at 8 mph, with gusts reaching 8 mph, under clear skies.

Forecast for Today and Tomorrow

Today will remain sunny with a high near 104F. The National Weather Service notes that heat index values can reach as high as 106 during the day. Overnight tonight, conditions will become mostly clear with a low around 81F. Temperatures may rise slightly to around 83F overnight, with heat index values peaking at 103. Winds will shift to south southeast at around 5 mph.

Tomorrow is forecast to be sunny with a high near 105F. Heat index values are expected to reach 105. Southwest winds will increase slightly to between 5 and 10 mph. Tomorrow night will be mostly clear with a low around 82F, though temperatures may rise to around 84 overnight. Heat index values could hit 104, with south winds around 10 mph.

Additional Alerts and Safety Reminders

An Air Quality Alert is also active for the area, issued on August 16 at 5:40 PM CDT by the NWS Fort Worth office. While the severity and urgency are listed as unknown, residents should be aware that air quality may be compromised alongside the extreme heat.

Given the Extreme Heat Warning and high feels-like temperatures, it is critical to stay hydrated and limit outdoor exertion, especially during midday hours. Check on neighbors and vulnerable individuals who may not have access to cooling. Avoid prolonged exposure to the sun and seek air-conditioned environments whenever possible.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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