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5-day forecast / Prosper, TX

MondaySunny102° / 81°
TuesdaySunny102° / 82°
WednesdayMostly Sunny102° / 82°
ThursdayMostly Sunny102° / 82° 3%
FridayMostly Sunny103° / 82° 7%

Heat Advisory in Effect for Prosper as Temperatures Soar Near 102F - Jul 27, 8 AM

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

A Heat Advisory is active for Prosper, TX, with highs near 102F and heat index values up to 109F. Current conditions are hot and humid.

Opal Fields

July 27, 20262 min read

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

*As of Jul 27, 8 AM local time.*

Current Conditions and Alert Overview

A Heat Advisory is currently in effect for Prosper, Texas, signaling dangerous heat levels that require caution. The National Weather Service has issued this moderate-severity alert, which is expected to remain active through the evening. Residents are advised to monitor conditions closely as temperatures rise significantly above normal for this time of year.

Right now, the air temperature stands at 84F, but the combination of heat and moisture makes it feel like 88F. The relative humidity is at 62%, with a dew point of 70F, indicating quite humid air. Winds are blowing from the southwest at 8 mph, with gusts reaching up to 23 mph. The sky remains clear overhead, allowing full solar intensity to drive temperatures upward.

Forecast for Today and Tomorrow

Today will be intensely sunny with a high near 102F. The heat index values are expected to reach as high as 109F, creating hazardous conditions for prolonged outdoor exposure. There is a 0% chance of precipitation, so the heat will be unrelenting. Southwest winds will hover around 10 mph.

Tonight, skies will become mostly clear, allowing for a slight cooldown. The low will drop to around 81F, though temperatures may rise to about 83F overnight. The heat index will remain elevated at up to 106F. South winds will continue around 10 mph.

Tomorrow mirrors today’s intensity with sunny skies and a high near 102F. Heat index values will peak at 106F. South southwest winds will be lighter, ranging from 5 to 10 mph. Like today, there is a 0% chance of rain. Temperatures will settle to a low near 82F tomorrow night, with heat index values up to 105F.

Safety Reminders

Given the active Heat Advisory and extreme heat index values, it is critical to prioritize safety. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Seek air-conditioned environments as much as possible. Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. Never leave people or pets in parked vehicles, as interior temperatures 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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