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5-day forecast / Prosper, TX

WednesdaySunny101° / 81°
ThursdaySunny101° / 79°
FridaySunny100° / 80° 4%
SaturdaySunny100° / 80°
SundaySunny101° / 79°

Prosper Heat Index Climbs Near 104 as Winds Pick Up - Aug 12, 11 AM

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

Temperatures in Prosper are soaring to near 101F today with a heat index reaching 104. Humidity is notable with a dew point of 73F, creating muggy conditions alongside brisk south winds.

Opal Fields

August 12, 20262 min read

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

*As of Aug 12, 11 AM local time.*

Scorching Conditions and High Heat Index

Prosper is experiencing intense heat this morning, with the air temperature currently at 90F but feeling like 98F due to humidity. The relative humidity sits at 59%, accompanied by a dew point of 73F, which adds a sticky layer to the atmosphere. Winds are already picking up, blowing from the south southwest at 14 mph with gusts reaching 19 mph under clear skies.

Today will be particularly hot, with highs near 101F. The National Weather Service indicates heat index values could climb as high as 104 during the day. South southwest winds are expected to average around 15 mph, with gusts potentially hitting 25 mph. Residents should anticipate sunny skies and zero percent chance of precipitation throughout the day.

Overnight and Tomorrow Forecast

As the sun sets tonight, conditions will remain clear. Temperatures will drop to a low near 79F, though they may rise slightly to around 81F overnight. The heat index is forecast to remain elevated at up to 104. Winds will continue from the south at 10 to 15 mph, with gusts as high as 25 mph.

Tomorrow brings another sunny day with a high near 100F and a low near 79F. The heat index is expected to reach 100. South winds will strengthen slightly, ranging from 15 to 20 mph, with gusts up to 25 mph. There remains no chance of rain.

Safety Reminders

With temperatures and heat indices this high, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors who may be vulnerable to extreme heat. While winds are gusty, there are no active National Weather Service or NOAA alerts in effect for Prosper. Stay aware of your surroundings and seek air-conditioned spaces when 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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Opal Fields covers weather, storms, and seasonal life around Prosper.

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