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5-day forecast / Prosper, TX

MondaySunny104° / 80° 1%
TuesdaySunny103° / 81°
WednesdaySunny102° / 80° 1%
ThursdaySunny103° / 79° 6%
FridaySunny101° / 78° 7%

Heat Advisory in Effect for Prosper as Temperatures Climb Near 104 Degrees - Aug 16, 5 PM

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

A Heat Advisory is active for Prosper, TX, with current heat index values reaching 103F. Conditions remain sunny and hot through tomorrow.

Opal Fields

August 16, 20262 min read

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

*As of Aug 16, 5 PM local time.*

Dangerous Heat Conditions Underway

Prosper, TX, is currently under an active Heat Advisory issued by the National Weather Service. The alert carries a moderate severity rating and is expected to persist until August 17 at 8:00PM CDT. Residents are experiencing intense heat right now, with the air temperature sitting at 100F.

Due to humidity levels of 29% and a dew point of 63F, the perceived heat index is significantly higher, feeling like 103F.

Current winds are light, blowing from the south southwest at around 5 to 6 mph with gusts up to 6 mph. The sky remains clear, offering no relief from the sun’s intensity. This advisory signals that dangerous heat conditions are imminent and will continue through the evening hours.

Forecast for Today and Tomorrow

Today in Prosper, skies will stay sunny with a high near 102F. The National Weather Service notes that heat index values could reach as high as 104 during the day. Overnight tonight, conditions will remain clear with a low around 79F.

Temperatures may rise slightly to around 81F overnight, keeping the heat index elevated at up to 104. Winds will shift to the south, increasing to 5 to 10 mph.

Tomorrow brings continued sunshine and even warmer conditions. The high is forecast to reach near 104F, with heat index values climbing as high as 107. Winds will come from the west southwest at 5 to 10 mph.

There is a minimal chance of precipitation at just 1%. Tomorrow night will be mostly clear with a low around 80F, and temperatures rising to around 82 overnight. The heat index will remain high at up to 106, with south winds of 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and 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 heat will persist through tonight and tomorrow. Stay indoors during peak sun hours and seek air-conditioned spaces 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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