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5-day forecast / Prosper, TX

ThursdayChance Rain Showers then Chance Showers And Thunderstorms93° / 75° 31%
FridaySlight Chance Rain Showers then Mostly Sunny96° / 76° 15%
SaturdaySunny98° / 77° 1%
SundaySunny99° / 78° 3%
MondaySunny98° / 78° 4%

Prosper, TX Weather: Air Quality Alert and Dangerous Heat Continue - Aug 31, 2 PM

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

An active Air Quality Alert is in effect for Prosper as temperatures soar. Current conditions show a heat index of 100F with clear skies.

Opal Fields

August 31, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 31, 2 PM local time.*

Active Alerts and Current Conditions

Residents in Prosper, Texas, are currently under an active Air Quality Alert issued by the National Weather Service. This alert remains in effect while the community navigates dangerous heat conditions. As of this afternoon, the air temperature stands at 99F, but the combination of heat and humidity makes it feel like 100F. The relative humidity is at 31%, with a dew point of 63F.

Winds are blowing from the south at 11 mph, with gusts reaching up to 17 mph. The sky remains clear, offering no relief from the sun’s intensity. The National Weather Service has noted that heat index values could reach as high as 103 during the day. This combination of extreme heat and poor air quality requires caution for all outdoor activities.

Forecast for Today, Tonight, and Tomorrow

Today is expected to remain sunny with a high near 100F. The chance of precipitation is 0%. Winds will continue from the south around 10 mph.

Temperatures will drop tonight to a low near 79F, though they may rise slightly to around 81F overnight. Skies will be mostly clear, and heat index values could still reach 103. South southeast winds will lighten to 5 to 10 mph.

Tomorrow brings another sunny day with a high near 99F. The chance of precipitation is minimal at 2%. Heat index values are forecast to climb as high as 105, making it feel even hotter than the actual air temperature.

South southeast winds will persist at 5 to 10 mph. Temperatures will fall tonight to a low around 78F, potentially rising to 80F overnight. Skies will be mostly clear with southeast winds of 5 to 10 mph.

Safety Reminders

Given the active Air Quality Alert and the dangerous heat index values, it is crucial to limit time spent outdoors, especially during the hottest parts of the day. Stay hydrated by drinking plenty of water even if you do not feel thirsty. Check on neighbors, particularly the elderly or those with health conditions, who may be more vulnerable to heat stress.

Keep vehicles parked in shade when possible and never leave people or pets inside closed cars. Monitor local news for updates on the air quality situation.

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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