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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 Soar Near 102 Degrees - Jul 26, 8 AM

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

A Heat Advisory is active for Allen, TX, with highs near 101F today and 102F tomorrow. Current conditions are hot and humid, with a heat index reaching 108F.

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, 8 AM local time.*

Current Conditions and Alert Overview

A Heat Advisory is currently in effect for Allen, Texas, signaling dangerous heat levels that require caution. As of this Sunday morning, the air temperature stands at 82F, but the combination of heat and humidity makes it feel like 87F. The relative humidity is at 70%, with a dew point of 72F, indicating significant moisture in the air.

Winds are blowing from the south southwest at 7 mph, with gusts reaching up to 22 mph, while the sky remains clear.

The National Weather Service has issued this advisory due to the extreme heat expected to persist through the weekend. Residents should be aware that the heat index values are projected to climb significantly higher than the actual air temperature, creating conditions that can be hazardous for prolonged outdoor exposure.

Forecast for Today and Tomorrow

Today, Allen will experience sunny skies with a high near 101F. The heat index is expected to reach as high as 108F. South southwest winds will continue around 10 mph. There is no chance of precipitation today, so the heat will remain the primary concern.

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

Tomorrow, the heat will intensify further with mostly sunny skies and a high near 102F. The heat index is forecast to peak at 109F. South southwest winds will remain steady at around 10 mph. Like today, there is no chance of rain, leaving the region under the full influence of the heat advisory.

Safety Reminders

Given the active Heat Advisory and the high heat index values, it is crucial to take precautions. Stay hydrated by drinking 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 neighbors, particularly the elderly and those without air conditioning, to ensure their safety. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the extreme temperatures.

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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