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5-day forecast / Prosper, TX

TuesdaySunny100° / 80°
WednesdaySunny100° / 80° 1%
ThursdaySunny100° / 78°
FridaySunny100° / 79°
SaturdaySunny100° / 79°

Heat Advisory in Effect for Prosper as Temperatures Climb to 100 - Aug 11, 5 PM

Prosper weather, updated every four hours — local forecasts you can trust.

A Heat Advisory is active for Prosper, TX, with heat index values reaching 106 today. Current conditions show a feels-like temperature of 104F under mostly clear skies.

Opal Fields

August 11, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Aug 11, 5 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Prosper, Texas, signaling dangerous heat levels that require caution. As of this Tuesday evening, the air temperature stands at 97F, but the combination of humidity and wind creates a feels-like temperature of 104F. The relative humidity is at 42%, with a dew point of 70F, indicating significant moisture in the air despite the clear skies.

Wind conditions are active, with speeds recorded at 12 mph and gusts reaching 13 mph. The sky remains mostly clear, allowing solar radiation to intensify the heat throughout the day. This advisory highlights the severity of the current thermal environment, urging residents to remain vigilant as temperatures stay elevated.

Forecast for Today and Tomorrow

Today in Prosper, conditions are expected to be sunny with a high near 100F. The National Weather Service reports heat index values as high as 106 during peak hours. Winds will blow from the south southwest around 15 mph.

Tonight, skies will clear further, with a low near 80F. Temperatures may rise slightly to around 82F overnight. Heat index values will remain high at 102, accompanied by south winds of 10 to 15 mph and gusts up to 25 mph.

Tomorrow, the pattern continues with sunny skies and a high near 100F. The heat index is forecast to reach 104. Winds will persist from the south southwest around 15 mph, with gusts as high as 25 mph.

Tomorrow night will be clear with a low around 80F, potentially rising to 82F overnight. Heat index values will drop slightly to 101, with south winds continuing at 10 to 15 mph and gusts up to 25 mph.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly or those without air conditioning. Avoid prolonged exposure to the sun during peak heat hours. The combination of high temperatures and humidity poses a risk for heat-related illnesses, so take necessary precautions to stay cool and safe.

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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