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5-day forecast / Prosper, TX

ThursdaySunny then Chance Showers And Thunderstorms99° / 77° 26%
FridayChance Showers And Thunderstorms97° / 78° 37%
SaturdaySunny99° / 78° 5%
SundaySunny98° / 77°
MondaySunny98° / 77° 1%

Heat Advisory in Effect for Prosper as Temperatures Climb Near 100 - Sep 7, 2 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 106F. Residents are urged to take precautions against dangerous heat conditions today and tomorrow.

Opal Fields

September 7, 20262 min read

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*As of Sep 7, 2 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Prosper, Texas, signaling moderate severity and expected urgency from the National Weather Service. The advisory remains active until September 8 at 8:00PM CDT. Readers should be aware that conditions are already hazardous, with the air temperature sitting at 99F while the heat index makes it feel like 106F.

Humidity levels are notable, with a dew point of 70F and relative humidity at 40%. Winds are blowing from the south southeast at 11 mph, with gusts reaching 14 mph under clear skies.

Forecast for Today and Tomorrow

Today will remain sunny with a high near 100F. The National Weather Service indicates heat index values could reach as high as 105. Winds are expected to be around 10 mph from the south southeast, with gusts potentially hitting 20 mph.

The chance of precipitation is minimal at just 1%. Temperatures will drop tonight but remain warm, with a low near 80F and conditions clearing up. Overnight, temperatures may rise slightly to around 82F, with heat index values as high as 104.

Winds will ease to 5 to 10 mph from the south southeast.

Tomorrow continues the pattern of intense heat. Expect another sunny day with a high near 100F. The heat index is forecast to climb even higher, reaching up to 106F.

Skies will remain clear, and the chance of rain increases slightly to 9%, though precipitation remains unlikely. Winds will stay light at 5 to 10 mph from the south southeast. Temperatures will fall tonight with a low around 80F under mostly clear skies, with heat index values up to 105.

Safety Reminders

Given the extreme heat and high humidity, 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 hours when temperatures are highest.

Latest National Weather Service radar for North Texas (KFWS radar). Source: radar.weather.gov.

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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