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5-day forecast / Allen, TX

TuesdaySunny102° / 81°
WednesdaySunny101° / 82° 1%
ThursdayMostly Sunny101° / 82° 2%
FridayMostly Sunny102° / 82° 6%
SaturdaySunny100° / 77° 8%

Extreme Heat Warning and Air Quality Alert in Effect for Allen - Jul 22, 12 PM

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

Allen, TX faces dangerous heat with an Extreme Heat Warning and Heat Advisory. Air quality is also under alert. Current feels-like temperature is 110F.

Zane Lowery

July 22, 20262 min read

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

*As of Jul 22, 12 PM local time.*

Dangerous Heat and Air Quality Alerts Active

Allen, Texas, is currently under the influence of multiple active National Weather Service alerts, signaling a hazardous weather pattern. The most critical is an Extreme Heat Warning, designated with severe severity and expected urgency. This warning is in effect until 8:00 PM CDT today.

Additionally, a Heat Advisory with moderate severity remains active until 8:00 PM CDT tomorrow. An Air Quality Alert, issued with unknown severity and urgency, is also in place.

Current conditions reflect the intensity of this heat event. The air temperature stands at 99F, but the combination of heat and humidity results in a feels-like temperature of 110F. The relative humidity is at 45%, with a dew point of 73F, indicating quite humid air that traps heat.

Winds are blowing from the north northeast at 8 mph, with gusts reaching 9 mph, under a clear sky.

Forecast for Today and Tomorrow

Today, the sun will remain out with a high near 103F. The National Weather Service indicates heat index values as high as 114. Winds will be from the north northeast at 5 to 10 mph.

The chance of precipitation is minimal at 2%. Tonight, skies will clear, with a low around 78F, though temperatures may rise to around 80F overnight. Heat index values will remain high at 109, with east northeast winds of 5 to 10 mph.

Tomorrow, conditions will stay sunny with a high near 98F. The heat index is expected to reach 104, with east winds around 10 mph. The chance of rain is 1%. Tomorrow night, skies will be mostly clear with a low around 79F and heat index values up to 103.

Safety Reminders

Given the Extreme Heat Warning and the high feels-like temperatures, residents must take immediate precautions. Hydrate frequently and limit any midday exertion to avoid heat-related illness. The Air Quality Alert suggests that outdoor activity may be restricted for sensitive groups; check local air quality indices before planning extended time outside.

Layering is less of a concern here, but protecting skin from intense sun exposure is vital. Stay indoors during the peak heat hours and check on neighbors who may be vulnerable to the extreme 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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