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5-day forecast / Prosper, TX

ThursdaySunny99° / 76° 10%
FridaySunny99° / 77° 3%
SaturdaySunny100° / 78° 1%
SundaySunny100° / 78°
MondaySunny98° / 79°

Heat and Air Quality Alerts in Effect for Prosper as Temperatures Climb - Aug 27, 6 AM

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

Prosper residents face a Heat Advisory and Air Quality Alert today. Highs near 99F with heat indices up to 104F create hazardous conditions requiring caution.

Opal Fields

August 27, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 27, 6 AM local time.*

Active Warnings and Current Conditions

A Heat Advisory and an Air Quality Alert are currently in effect for Prosper, TX, signaling a day of intense heat and reduced air quality. The National Weather Service has issued these alerts due to the rapid rise in temperatures and stagnant atmospheric conditions.

As of this morning, the air temperature stands at 77F with a feels-like reading of 78F. Humidity levels are notably high, with relative humidity at 78% and a dew point of 70F. Winds are light from the northeast at 3 mph, though gusts may reach 12 mph. The sky remains clear under the early morning sun.

Forecast for Today and Tomorrow

Today will be sunny with a high near 99F. While the official high is 99F, temperatures may drop slightly to around 97F in the afternoon. The heat index is expected to reach as high as 104F, making it feel significantly hotter than the actual air temperature. Winds will increase to 5 to 10 mph from the northeast. There is only a 10% chance of precipitation.

Tonight, skies will transition from mostly clear to partly cloudy. Lows will settle near 76F initially, rising to around 78F overnight. The heat index will remain elevated at values as high as 102F. Winds will shift to the east at 5 to 10 mph.

Tomorrow remains sunny with a high near 99F. The heat index is forecast to be as high as 99F, slightly lower than today but still warm. Winds will come from the east-northeast at 5 to 10 mph. Precipitation chances drop to just 3%. Lows tomorrow night will be around 77F, rising to 79F overnight.

Safety Reminders

Given the Heat Advisory, residents should limit outdoor exertion during peak heat hours and stay hydrated. The Air Quality Alert suggests that sensitive groups may experience health effects from poor air quality; consider reducing prolonged or heavy outdoor activity. Always check local updates for any changes to these warnings.

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 covers weather, storms, and seasonal life around Prosper.

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