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5-day forecast / Prosper, TX

TuesdaySunny99° / 80°
WednesdaySunny100° / 80°
ThursdaySunny100° / 79°
FridaySunny100° / 80°
SaturdaySunny100° / 80°

Heat Advisory in Effect for Prosper as Temperatures Climb Near 100 - Aug 11, 4 AM

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

A Heat Advisory is active for Prosper, TX, with highs near 99 today and 100 tomorrow. Humidity remains high, making heat index values reach 105.

Opal Fields

August 11, 20261 min read

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

*As of Aug 11, 4 AM local time.*

Alert and Current Conditions

A Heat Advisory is currently in effect for Prosper, Texas, issued by the National Weather Service in Fort Worth. This moderate-severity alert is expected to remain active through the upcoming evening hours. Residents should be prepared for dangerously hot conditions as temperatures rise.

It is currently Tuesday overnight in Prosper. The air temperature stands at 79F, with a feels-like temperature of 80F. Relative humidity is at 74%, and the dew point is recorded at 70F, indicating quite humid air. Winds are blowing from the south at 9 mph, with gusts reaching up to 24 mph. The sky remains clear.

Forecast for Today and Tomorrow

Today will be sunny with a high near 99F and a low near 79F. There is no chance of precipitation. Heat index values are expected to reach as high as 105. Winds will come from the south southwest around 10 mph, with gusts as high as 20 mph.

Tonight, skies will remain clear. Temperatures will drop to a low around 79F, though they may rise slightly to around 81F overnight. Heat index values could reach 104. South winds will persist at around 10 mph, with gusts as high as 25 mph.

Tomorrow is also forecast to be sunny, with a high near 100F and a low near 80F. No rain is expected. Heat index values will climb to 104. Winds from the south southwest will increase to around 15 mph, with gusts up to 25 mph.

Safety Reminder

With heat index values exceeding 100 degrees, it is critical to stay hydrated and limit midday exertion. Check on elderly neighbors or those without air conditioning. Avoid prolonged exposure to the sun during peak hours to prevent heat-related illness.

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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