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5-day forecast / Allen, TX

FridaySunny102° / 81° 2%
SaturdaySunny97° / 75° 8%
SundaySunny95° / 74°
MondaySunny98° / 77° 1%
TuesdaySunny101° / 80° 3%

Heat Advisory in Effect for Allen as Temperatures Climb to 102F - Jul 30, 9 PM

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

A Heat Advisory is active for Allen, TX, with heat index values reaching 109F tomorrow. Current conditions show a feels-like temperature of 101F with clear skies.

Zane Lowery

July 31, 20262 min read

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

*As of Jul 30, 9 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Allen, Texas, signaling dangerous heat conditions for residents. The National Weather Service has issued this moderate-severity alert, which remains active until 8:00 PM CDT on July 31. The advisory highlights the significant risk posed by high temperatures combined with humidity, creating hazardous heat index values.

Current conditions in Allen reflect the intensity of this heat wave. The air temperature stands at 91F, but the combination of moisture in the air makes it feel like 101F. The relative humidity is at 56%, with a dew point of 73F, indicating substantial moisture levels that hinder the body's ability to cool itself.

Winds are currently blowing from the south at 7 mph, with gusts reaching up to 10 mph, while the sky remains clear.

Forecast for Tonight and Tomorrow

Overnight, conditions will remain mostly clear with a low near 81F. However, temperatures are expected to rise to around 83F during the night, keeping heat index values as high as 107. South winds will persist at 5 to 10 mph, offering little relief from the oppressive heat.

Tomorrow will bring even more intense heat. The sky will be sunny with a high near 102F. The heat index is forecast to reach as high as 109F, creating extreme danger for prolonged outdoor exposure.

Southwest winds will increase slightly to around 10 mph. Following tomorrow, conditions will ease slightly with mostly clear skies and a low around 81F, though heat index values will remain elevated at 109F.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values forecasted for the next 24 hours, it is critical to take precautions. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday and afternoon hours when the sun is strongest.

Seek air-conditioned environments as much as possible. Check on elderly neighbors and those who may be vulnerable to heat-related illnesses, ensuring they have access to cool spaces and adequate fluids.

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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