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5-day forecast / Prosper, TX

TuesdaySunny102° / 81°
WednesdayMostly Sunny101° / 82° 1%
ThursdaySunny102° / 82°
FridayMostly Sunny103° / 82° 5%
SaturdaySunny99° / 74° 9%

Heat Advisory in Effect for Prosper as Temperatures Soar to 102F - Jul 28, 12 PM

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

A Heat Advisory is active for Prosper, TX, with dangerous heat index values reaching 109F. Current conditions show a feels-like temperature of 101F under clear skies.

Opal Fields

July 28, 20262 min read

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

*As of Jul 28, 12 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 due to the combination of high temperatures and humidity. Right now, the air temperature stands at 93F, but the heat index makes it feel like 101F.

The atmosphere is holding significant moisture, with a dew point of 72F and relative humidity at 50%. Winds are blowing from the southwest at 11 mph, with gusts reaching up to 18 mph, while the sky remains clear.

Forecast for Today and Tomorrow

The official forecast indicates that the intense heat will persist through the next two days. Today, conditions will be sunny with a high near 102F. The heat index is expected to climb as high as 109F. Southwest winds will range from 5 to 10 mph. There is a 0% chance of precipitation.

Tonight, the sky will become mostly clear, allowing for a low around 82F. However, temperatures will rise to around 84F overnight, keeping the heat index as high as 108F. South winds will continue at 5 to 10 mph.

Tomorrow brings another sunny day with a high near 102F. The heat index will again reach 109F. Winds will shift to the south southwest, maintaining speeds of 5 to 10 mph. Precipitation chances remain at 0%. While the official forecast also notes conditions for tomorrow night, the immediate focus remains on the sustained extreme heat through the end of the advisory period.

Safety Reminders

Given the active Heat Advisory and the dangerous heat index values, residents are urged to take precautions. Extreme heat can lead to heat-related illnesses quickly. 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. Check on neighbors, particularly the elderly and those without air conditioning. If you must be outside, seek shade or air-conditioned spaces as often as possible.

The combination of high heat and humidity makes it critical to monitor your body for signs of heat exhaustion or heat stroke.

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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