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5-day forecast / Allen, TX

TuesdaySunny101° / 80° 2%
WednesdaySunny101° / 80° 2%
ThursdaySunny100° / 80° 1%
FridaySunny98° / 79° 9%
SaturdaySunny98° / 79° 8%

Air Quality Alert active as Allen heads for a high near 101F - Aug 4, 4 AM

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

Allen has an active Air Quality Alert and very hot weather ahead, with sunshine and a high near 101F today. Current conditions are clear, warm and humid.

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, 4 AM local time.*

Air quality and heat lead the forecast

An Air Quality Alert is active for Allen, and very hot weather is the main weather concern today. The forecast calls for sunny skies and a high near 101F, with the heat index as high as 102. Rain is not expected to be a factor, with the chance of precipitation at 2%.

Current conditions are clear, warm and humid. The air temperature is 75F, and it feels like 76F. Relative humidity is 74%, with a dew point of 66F. Wind is light at 3 mph, with gusts to 10 mph.

Today, tonight and tomorrow

Today stays sunny, with a high near 101F and a low near 77F. South wind is forecast at 0 to 10 mph. The combination of heat and sunshine will make outdoor activity feel harsher, especially during the hotter stretch of the day.

Tonight is expected to be mostly clear, with a low around 80F and temperatures rising to around 82F overnight. Heat index values may be as high as 101, with south southeast wind at 5 to 10 mph.

Tomorrow is also forecast to be sunny, with a high near 101F and a low near 80F. The chance of precipitation remains 2%. Heat index values may reach as high as 103, and south southwest wind is expected at 5 to 10 mph, with gusts as high as 20 mph.

Alert and reminders

The active Air Quality Alert means residents should be mindful of outdoor exertion, especially if air quality tends to bother them. With heat near 101F, keep water nearby, take breaks in cooler spaces when possible, and limit strenuous outdoor activity when the heat feels strongest.

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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