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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%

Heat Advisory in Effect for Allen as Temperatures Climb Near 102 - Jul 26, 12 PM

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

A Heat Advisory is active for Allen, TX, with highs near 101 today and 102 tomorrow. Heat index values will reach 109. Stay cool and hydrated.

Zane Lowery

July 26, 20262 min read

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

*As of Jul 26, 12 PM local time.*

Alert and Current Conditions

A Heat Advisory is currently in effect for Allen, Texas, signaling dangerous heat levels that require caution. The National Weather Service issued this moderate-severity alert, which remains active until the evening of July 27. Residents are advised to monitor conditions closely as the region experiences significant warmth.

As of this Sunday afternoon, the air temperature stands at 91F, but the combination of heat and humidity makes it feel like 97F. The relative humidity is at 49%, with a dew point of 70F, indicating a fairly humid atmosphere. Winds are blowing from the south southwest at 8 mph, with gusts reaching 9 mph.

The sky remains clear overhead, allowing full solar heating to continue.

Forecast for Today and Tomorrow

Today, Allen will see sunny skies with a high near 101F. The heat index is expected to spike as high as 108 due to the humidity. South southwest winds will persist around 10 mph. There is no chance of precipitation today.

Tonight, conditions will shift to mostly clear skies. Temperatures will drop to a low near 81F, though they may rise slightly to around 83F overnight. The heat index will remain elevated, reaching up to 106. South winds will continue at approximately 10 mph.

Tomorrow, the heat will intensify further with mostly sunny skies and a high near 102F. The heat index is forecast to hit 109, making it feel significantly hotter than the actual air temperature. South southwest winds will remain steady around 10 mph. Like today, there is a 0% chance of rain.

Safety Reminders

Given the active Heat Advisory and extreme heat index values, it is critical to prioritize safety. Hydration is essential; drink plenty of water even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors or those without air conditioning, as the heat can be hazardous for vulnerable populations. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the body temperature.

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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