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5-day forecast / Prosper, TX

TuesdaySunny102° / 82°
WednesdaySunny102° / 82°
ThursdaySunny102° / 83°
FridaySunny103° / 82° 4%
SaturdaySunny100° / 75° 9%

Heat Advisory in Effect for Prosper as Temperatures Climb Near 102F - Jul 28, 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 indices reaching 109F. Current conditions are hot and humid with 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, 8 AM local time.*

Current Conditions and Alert Status

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 to warn residents of the intense thermal conditions expected to persist through the evening.

Right now, the air temperature stands at 81F, but the combination of heat and moisture makes it feel like 85F. The atmosphere is quite humid, with a dew point of 72F and relative humidity holding at 74%. Winds are light, blowing from the southwest at 6 mph, though gusts have reached 19 mph. The sky remains clear, offering no relief from the sun's intensity.

Forecast for Today and Tomorrow

Today will be sunny with a high near 102F. The National Weather Service forecasts heat index values as high as 109F, indicating that the perceived temperature will be significantly higher than the actual air temperature. There is a 0% chance of precipitation, meaning no rain is expected to cool things down. Southwest winds will continue at 5 to 10 mph.

Tonight, skies will become mostly clear. Temperatures will drop to a low near 82F, but they are expected to rise to around 84F during the overnight hours. The heat index will remain elevated, reaching as high as 108F. South winds will persist at 5 to 10 mph.

Tomorrow mirrors today’s intensity. Expect sunny skies and a high near 102F, with heat index values climbing to 109F again. South southwest winds will blow at 5 to 10 mph. There is also a 0% chance of precipitation for the day.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values, it is critical to prioritize safety. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on elderly neighbors or those without air conditioning, as the overnight lows will not provide significant relief from the daytime heat. Stay indoors during the peak heat hours and seek air-conditioned environments whenever possible.

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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