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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 Degrees - Jul 27, 8 PM

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

A Heat Advisory is active for Allen, TX, with current feels-like temperatures at 94F. Conditions remain hot and dry through tomorrow with highs near 102F.

Zane Lowery

July 28, 20262 min read

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

*As of Jul 27, 8 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Allen, Texas, signaling moderate severity and expected urgency. The National Weather Service has issued this advisory to warn residents of dangerously high heat index values. As of this evening, the air temperature stands at 91F, but the combination of heat and humidity makes it feel like 94F.

The relative humidity is at 44%, with a dew point of 66F. Winds are blowing from the south at 11 mph, with gusts reaching up to 16 mph. The sky remains clear overhead.

Today and Tonight Forecast

Today, residents can expect mostly clear skies with a high near 100F. The low for the day is near 81F. There is no chance of precipitation, with the probability at 0%.

As tonight approaches, conditions will remain mostly clear. Temperatures will drop to a low around 81F, though they may rise slightly to around 83F during the overnight hours. The heat index is expected to reach as high as 107.

Winds will shift to a south direction at around 10 mph.

Tomorrow Outlook

Tomorrow will bring sunny skies and continued warmth. The high is forecast to be near 102F, with a low near 81F. The chance of rain remains at 0%.

The heat index is projected to climb as high as 109 during the day. Winds will come from the south southwest at around 10 mph. Tomorrow night will be mostly clear, with a low around 81F and temperatures rising to around 83F overnight.

The heat index will again reach up to 107, with south winds between 5 and 10 mph.

Safety Reminders

Given the active Heat Advisory and the high heat index values expected through tomorrow, 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 and afternoon hours when the sun is strongest.

Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. Keep vehicles parked in the shade if possible, and never leave people or pets inside parked cars. If you must be outside, seek air-conditioned spaces frequently to cool down.

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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