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5-day forecast / Allen, TX

ThursdaySunny100° / 77° 10%
FridaySunny99° / 77° 3%
SaturdaySunny100° / 78° 1%
SundaySunny100° / 78°
MondaySunny100° / 79°

Allen Weather: Heat Advisory Active as Temperatures Near 100F - Aug 27, 6 AM

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

Residents in Allen should prepare for extreme heat and humidity. A Heat Advisory is in effect, with highs near 100F and heat index values reaching 104F. An Air Quality Alert is also active.

Zane Lowery

August 27, 20262 min read

National Weather Service radar for North Texas (KFWS)

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

Current Conditions and Alerts

It is currently Thursday morning in Allen, with clear skies and an air temperature of 77F. The conditions feel like 78F, driven by a relative humidity of 78% and a dew point of 70F. Winds are light at 3 mph, with gusts reaching 9 mph.

Two active alerts from the National Weather Service require attention. A Heat Advisory is in effect, indicating moderate severity and expected conditions. Additionally, an Air Quality Alert has been issued.

Residents should monitor their health and limit outdoor exertion during peak heat hours.

Today's Forecast

Today will be sunny with a high near 100F. The heat index values are expected to reach as high as 104F, making the air feel significantly warmer than the actual temperature. The chance of precipitation is low at 8%.

Northeast winds will blow between 5 and 10 mph. As the day progresses, the combination of high temperatures and humidity will create uncomfortable conditions. It is important to stay hydrated and seek shade or air conditioning during the hottest parts of the day.

The low temperature tonight will be near 78F, with mostly clear skies and north northeast winds around 5 mph.

Tomorrow's Outlook

Tomorrow will continue the hot and sunny pattern, with a high near 99F. The heat index values may reach 99F. The chance of precipitation drops to 3%.

East northeast winds will range from 0 to 10 mph. Tonight, temperatures will drop to a low around 77F, with mostly clear skies. Heat index values could reach 101F.

East northeast winds will be between 0 and 10 mph. Tomorrow night will see mostly clear skies, with lows around 77F before rising to 79F. East southeast winds will blow at 5 to 10 mph.

Given the sustained heat, residents should continue to take precautions to avoid 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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