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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, 8 AM

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

Allen residents face dangerous heat with an Extreme Heat Warning until 8 PM tonight. Air quality is also under alert. Highs near 103F with heat index up to 114.

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, 8 AM local time.*

Dangerous Heat and Air Quality Concerns

Allen is currently under a severe Extreme Heat Warning that remains in effect until 8:00 PM CDT today. This is accompanied by a Heat Advisory running until 8:00 PM CDT tomorrow and an Air Quality Alert. The National Weather Service in Fort Worth has issued these alerts due to the intense heat and poor air conditions affecting the region.

Current conditions show an air temperature of 82F with a feels-like temperature of 89F. The air is oppressively humid, with a dew point of 75F and relative humidity at 79%. Winds are currently calm at 0 mph, though gusts may reach 12 mph. The sky is clear as of this morning.

Forecast Details

Today will be sunny with a high near 103F. The heat index is expected to reach as high as 114. North northeast winds will blow between 5 to 10 mph.

The chance of precipitation is minimal at 2%. Temperatures will drop to a low near 78F tonight. The sky will remain clear, with temperatures rising to around 80F overnight.

The heat index will stay high at 109. East northeast winds will persist at 5 to 10 mph.

Tomorrow will also be sunny, with a high near 98F. The heat index will be as high as 104. East winds will be around 10 mph. The chance of precipitation is 1%. Tomorrow night will be mostly clear with a low around 79F. The heat index will remain elevated at 103. East southeast winds will be 5 to 10 mph.

Safety Reminders

Given the Extreme Heat Warning, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. Poor air quality means sensitive groups should reduce outdoor activity. Avoid driving during the height of the heat warning to reduce risk of heat-related illness.

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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