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5-day forecast / Prosper, TX

ThursdaySunny101° / 78°
FridaySunny100° / 80°
SaturdaySunny100° / 80°
SundaySunny101° / 80° 1%
MondaySunny102° / 80° 1%

Heat Advisory in Effect for Prosper as Temperatures Soar - Aug 13, 5 AM

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

A Heat Advisory is active for Prosper, TX, with heat index values reaching 105F. Residents are urged to take precautions against dangerous heat conditions today and tomorrow.

Opal Fields

August 13, 20262 min read

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

*As of Aug 13, 5 AM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Prosper, Texas, signaling moderate severity and expected urgency from the National Weather Service. The advisory remains active until 8:00 PM CDT on August 13. Residents are advised to monitor conditions closely as dangerous heat levels persist.

Current observations indicate an air temperature of 95F, but the combination of heat and humidity makes it feel significantly hotter. The current heat index stands at 105F. Humidity levels are notable, with a relative humidity of 50% and a dew point of 73F. Winds are blowing from the south southwest at around 14 mph, with gusts reaching up to 31 mph under clear skies.

Forecast for Today and Tomorrow

Today will be sunny with a high near 101F. The National Weather Service forecasts heat index values as high as 105 during the day. Winds will remain from the south southwest around 15 mph, with gusts as high as 25 mph. There is no chance of precipitation today.

Tonight, skies will remain clear. Temperatures are expected to drop to a low around 81F, though they may rise slightly to around 83F overnight. The heat index could still reach values as high as 103. South winds will continue around 15 mph with gusts up to 25 mph.

Tomorrow will also be sunny with a high near 100F. Heat index values are forecast to reach as high as 104. Winds will stay from the south around 15 mph, with gusts as high as 25 mph. No rain is expected. Tomorrow night will be clear with a low around 80F and similar wind conditions.

Safety Reminders

Given the active Heat Advisory and heat index values exceeding 100F, it is critical to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on elderly neighbors and those without air conditioning. Avoid leaving children or pets in parked vehicles. Seek air-conditioned spaces during peak afternoon hours to reduce the risk of heat-related illness.

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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