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5-day forecast / Prosper, TX

TuesdaySunny99° / 80°
WednesdaySunny100° / 79° 3%
ThursdayMostly Sunny99° / 79° 4%
FridaySunny99° / 77° 2%
SaturdaySunny99° / 77°

Prosper Under Heat Advisory as Temperatures Climb Near 100 Degrees - Sep 15, 2 PM

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

A moderate Heat Advisory is in effect for Prosper, TX, with current heat index values reaching 104F. Residents are urged to take precautions against dangerous heat levels today and tomorrow.

Opal Fields

September 15, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 15, 2 PM local time.*

Dangerous Heat Conditions Underway

Prosper, Texas, is currently experiencing intense heat conditions under an active National Weather Service Heat Advisory. The advisory, classified as moderate in severity with expected urgency, remains in effect until the evening of September 16. As of this Tuesday afternoon, the air temperature stands at 99F, but the combination of humidity and wind creates a feels-like temperature of 104F.

The relative humidity is at 37%, with a dew point of 68F. Winds are blowing from the south southwest at 10 mph, with gusts reaching up to 14 mph, under clear skies.

The National Weather Service in Fort Worth has issued this alert due to the significant risk posed by high heat index values. While the air temperature is high, the perceived heat is substantially more dangerous, requiring immediate attention from residents and outdoor workers alike.

Forecast for Today and Tomorrow

Today, Prosper will remain sunny with a high near 99F and a low near 80F. There is no chance of precipitation today. The heat index is expected to reach as high as 106 during the day. Winds will continue from the south southwest around 10 mph, with gusts potentially reaching 20 mph.

Tonight, skies will clear, allowing temperatures to drop to a low around 80F. However, temperatures may rise slightly to around 82F overnight. The heat index will remain elevated, with values as high as 103. Winds will shift to the south southeast at around 10 mph.

Tomorrow, conditions will remain sunny with a high near 100F and a low near 79F. The chance of precipitation is minimal at 3%. The heat index is forecast to peak at 107, making it one of the hottest days in the immediate forecast period. Winds will be from the south at 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and dangerous heat index values, residents are advised to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. Never leave people or pets in parked vehicles. If you must be outdoors, seek shade and wear lightweight, light-colored clothing.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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