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5-day forecast / Prosper, TX

TuesdaySunny104° / 80° 1%
WednesdaySunny103° / 80°
ThursdaySunny99° / 80°
FridaySunny102° / 83°
SaturdayMostly Sunny101° / 83° 6%

Heat Advisory in Effect for Prosper as Temperatures Climb - Jul 20, 4 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 109F. Current conditions show a high heat index of 105F with clear skies.

Opal Fields

July 20, 20262 min read

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

*As of Jul 20, 4 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Prosper, Texas, signaling dangerous heat conditions for the area. The National Weather Service has issued this moderate-severity alert, which remains active until July 21 at 8:00PM CDT. Residents are urged to take precautions as temperatures soar and humidity levels rise.

Current conditions in Prosper reflect the intensity of the heat. The air temperature stands at 97F, but the combination of heat and moisture makes it feel like 105F. The relative humidity is at 44%, with a dew point of 72F, indicating quite humid air that traps heat.

Winds are currently blowing from the south southwest at 9 mph, with gusts reaching 8 mph. The sky remains clear, offering no relief from the sun.

Forecast for Today and Tomorrow

The National Weather Service forecasts continued sunny skies for today, with a high near 100F. The heat index is expected to reach as high as 108F. South southwest winds will be around 5 mph.

Tonight, skies will clear, with a low near 80F. Temperatures may rise to around 82F overnight, with heat index values as high as 106F. South winds will increase to 5 to 10 mph.

Tomorrow will bring even hotter conditions. Expect sunny skies with a high near 103F. The heat index could climb to 109F, making it feel significantly hotter than the actual air temperature. West winds will be light, ranging from 0 to 5 mph. The chance of precipitation is minimal, at just 1% for tomorrow and 2% for today.

Safety Reminders

Given the active Heat Advisory and the high heat index values, it is critical to stay cool and hydrated. Limit outdoor exertion, especially during the hottest parts of the day. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible.

Check on neighbors, particularly the elderly and those without air conditioning, to ensure their safety. Never leave people or pets in parked vehicles, as temperatures inside can rise rapidly to life-threatening levels.

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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