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5-day forecast / Allen, TX

TuesdaySunny101° / 80°
WednesdaySunny100° / 80° 3%
ThursdaySunny100° / 80° 3%
FridaySunny98° / 79° 9%
SaturdaySunny98° / 79° 8%

Allen weather: Air quality alert with very hot, humid conditions - Aug 4, 8 AM

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

Allen is starting clear, humid and already warm, with an Air Quality Alert active and a high near 101F expected today.

Zane Lowery

August 4, 20261 min read

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

*As of Aug 4, 8 AM local time.*

Hot, humid start in Allen

Allen has an active Air Quality Alert as very hot weather builds today. Current conditions are clear, with the air temperature at 79F and a feels-like reading of 80F. Humidity is elevated at 74%, and the dew point is 70F, giving the air a muggy feel early on.

Wind is currently 5 mph, with gusts to 17 mph. The combination of heat, humidity and the air quality alert makes this a day to keep plans measured, especially for anyone sensitive to heat or poor air quality.

Today, tonight and tomorrow

Today is forecast to be sunny, with a high near 101F. Heat index values may climb as high as 102. The chance of precipitation is 2%, and south wind is expected at 5 to 10 mph.

Tonight should stay mostly clear, with a low around 80F. Temperatures are expected to rise to around 82 overnight, and heat index values may be as high as 100. Wind is forecast from the south southeast at 5 to 10 mph.

Tomorrow is expected to bring more sun and another high near 101F. The chance of precipitation remains 2%. Heat index values may reach as high as 103, with south southwest wind at 5 to 10 mph and gusts as high as 20 mph.

Alert and safety note

The National Weather Service has an Air Quality Alert in effect for Allen. People who are sensitive to air pollution may want to keep outdoor exertion lighter when possible.

With temperatures near 101F today and tomorrow, drink water, take breaks in cooler spaces and limit strenuous activity during the hottest conditions.

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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Zane Lowery

Zane Lowery covers weather, storms, and seasonal life around Allen.

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