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5-day forecast / Allen, TX

TuesdaySunny101° / 80° 7%
WednesdaySunny100° / 79° 5%
ThursdayMostly Sunny99° / 78° 14%
FridaySunny99° / 78° 8%
SaturdaySunny100° / 79° 1%

Allen Heat Advisory: Dangerous Heat Index Values Expected Through Tomorrow - Sep 8, 2 PM

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

A Heat Advisory is active for Allen as dangerous heat index values reach 106 degrees. Residents should stay hydrated and limit midday exertion.

Zane Lowery

September 8, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 8, 2 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently active for Allen, signaling dangerous heat conditions that residents should take seriously. The National Weather Service has issued this alert due to sustained high temperatures and elevated heat index values. Currently, the air temperature stands at 99 degrees Fahrenheit, but it feels like 106 degrees due to the combination of heat and humidity.

The dew point is 70 degrees Fahrenheit, with relative humidity at 40 percent. Winds are blowing from the south southeast at 14 miles per hour, with gusts reaching 21 miles per hour. The sky remains clear, allowing direct sunlight to intensify the thermal load on the body.

Forecast Outlook

Today, the high temperature is expected to reach near 101 degrees Fahrenheit, with a low of 80 degrees. The chance of precipitation is minimal at 7 percent, and sunny conditions will persist. Heat index values may reach as high as 106 degrees.

Tonight, the sky will be mostly clear, with temperatures dropping to around 80 degrees. Heat index values could still reach 104 degrees, and winds will slow to 5 to 10 miles per hour from the south southeast. Tomorrow, the weather pattern remains similar, with a high near 100 degrees and a low of 79 degrees.

Sunny skies are expected, and the chance of rain is only 5 percent. Heat index values may climb to 107 degrees, making the perceived temperature even more intense than the actual air temperature. Winds will continue to blow from the south southeast at 5 to 10 miles per hour.

Safety Reminders

Given the active Heat Advisory, it is crucial to take precautions to avoid heat-related illness. Stay hydrated by drinking water regularly, even if you do not feel thirsty. Limit outdoor exertion during the hottest parts of the day, particularly in the afternoon.

Wear light-colored, loose-fitting clothing and use sunscreen when outside. Check on elderly neighbors or individuals who may not have access to air conditioning. If you experience symptoms of heat exhaustion, such as dizziness, nausea, or heavy sweating, move to a cool place and seek medical attention if symptoms persist.

This advisory is expected to remain in effect until tomorrow evening, so continued vigilance is necessary throughout this period.

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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