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5-day forecast / Prosper, TX

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

Prosper Heat Index Hits 99F Tonight; Sunny 98F High Tomorrow - Jun 28, 8 PM

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

Prosper, TX experiences a very hot Sunday evening with a feels-like temperature of 99F. A clear sky and humid air set the stage for a sunny, 98F high tomorrow with heat indices reaching 101F.

Opal Fields

June 29, 20262 min read

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

As of Jun 28, 8 PM local time.

Current Conditions and Heat Index

Prosper, Texas, is currently dealing with intense heat and humidity this Sunday evening. The air temperature stands at 91F, but the combination of heat and moisture pushes the feels-like temperature to 99F. Relative humidity is at 53%, with a dew point of 72F, indicating a muggy atmosphere that makes the heat feel more oppressive.

Winds are active, blowing at 17 mph with gusts reaching 29 mph, while the sky remains clear.

Forecast for Tonight and Tomorrow

Temperatures will remain elevated through the night. Tonight, the sky will stay mostly clear with a low near 78F. The heat index is expected to climb as high as 100F. South winds will continue at 15 to 20 mph, with gusts potentially hitting 30 mph.

Tomorrow, the weather will turn sunny with a high near 98F. The heat index is forecast to reach 101F, signaling dangerous heat levels. South winds will persist at 15 to 20 mph, with gusts up to 30 mph. There is no chance of precipitation for either period.

Looking ahead to tomorrow night, conditions will clear out with a low around 75F. Temperatures may rise slightly to around 77F overnight. The heat index will remain high at 99F, with south winds of 15 to 20 mph and gusts up to 30 mph.

Safety Reminders

With heat indices nearing 100F and 101F, it is crucial to take precautions against heat-related illnesses. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday and afternoon hours when the sun is strongest.

If you must be outside, seek shade or air-conditioned spaces frequently. Check on elderly neighbors and those without air conditioning, as extreme heat can be dangerous for vulnerable populations. Keep vehicles parked in the shade if possible, and never leave people or pets inside parked cars, as interior temperatures can rise rapidly.

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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