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5-day forecast / Prosper, TX

SundaySunny99° / 78° 2%
MondaySunny99° / 79° 1%
TuesdaySunny100° / 80° 1%
WednesdaySunny99° / 80°
ThursdaySunny101° / 78°

Prosper Heat and Humidity Persist as Temperatures Climb to 99F - Aug 9, 5 AM

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

Prosper, TX sees high humidity with a dew point of 70F and clear skies. Highs near 99F expected today and tomorrow with heat indices reaching 103F.

Opal Fields

August 9, 20262 min read

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

*As of Aug 9, 5 AM local time.*

Current Conditions and Humidity

Residents in Prosper, TX, are currently experiencing a notably humid start to the day. As of this Sunday morning, the air temperature sits at 75F, with a feels-like temperature of 76F. The relative humidity is high at 83%, supported by a dew point of 70F, which contributes to the muggy atmosphere.

Winds are light, blowing at 5 mph with gusts reaching up to 12 mph, while the sky remains clear overhead.

Today and Tonight Forecast

The heat will intensify significantly throughout the day. Today is forecast to be sunny with a high near 99F. The National Weather Service indicates that heat index values will climb as high as 103F due to the combination of heat and humidity. Winds will shift to the south southwest at around 10 mph. The low for the day is near 76F.

As evening approaches, conditions will remain mostly clear before becoming clear later in the night. Temperatures will drop to a low around 76F, though they may rise slightly to around 79F during the overnight hours. South winds will pick up slightly to around 10 mph.

It is important to note that heat index values may reach as high as 102F during the overnight period as well, meaning the heat will not fully dissipate.

Tomorrow Outlook

The hot and humid pattern continues into tomorrow. The forecast calls for sunny skies with a high near 99F. Similar to today, heat index values are expected to reach as high as 102F.

Winds will remain from the south at around 10 mph. The low for tomorrow is near 79F. Tomorrow night will be clear with a low around 79F and south southeast winds around 10 mph.

Safety Reminder

With temperatures nearing 100F and high humidity levels, the risk of heat-related illness is elevated. Residents are advised to stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors or those without air conditioning to ensure their safety. Wear lightweight, light-colored clothing and seek air-conditioned environments whenever possible to stay cool.

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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Opal Fields

Opal Fields covers weather, storms, and seasonal life around Prosper.

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