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5-day forecast / Allen, TX

SaturdaySlight Chance Showers And Thunderstorms100° / 78° 22%
SundaySunny100° / 79°
MondaySunny99° / 79° 5%
TuesdaySunny100° / 80°
WednesdaySunny101° / 80°

Dangerous Heat Index Hits 104F in Allen as Humidity Lingers - Aug 8, 1 PM

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

Allen, TX residents face dangerous heat today with a heat index of 104F. Highs near 100F and lingering humidity create hazardous conditions for outdoor activities.

Zane Lowery

August 8, 20262 min read

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

*As of Aug 8, 1 PM local time.*

Dangerous Heat and Humidity Today

Allen, TX is currently under the influence of dangerous heat conditions this Saturday afternoon. The air temperature stands at 97F, but the combination of heat and moisture makes it feel significantly hotter. The heat index, or "feels like" temperature, is currently 104F. This level of heat stress poses serious risks for anyone spending time outdoors without proper precautions.

Humidity levels are also quite high, contributing to the oppressive feel of the day. The relative humidity is at 42%, with a dew point of 70F. These atmospheric conditions mean that sweat evaporates more slowly from the skin, reducing the body's natural cooling mechanism.

Winds are light, blowing from the south southwest at 7 mph with gusts reaching 8 mph, offering little relief from the warmth. The sky remains clear overhead.

Forecast for Today, Tonight, and Tomorrow

Temperatures are expected to remain elevated through the rest of the day. The high today will be near 100F. There is a 25% chance of precipitation, with a possibility of showers and thunderstorms earlier in the day, followed by a slight chance later. The low tonight will be near 79F.

Overnight, conditions will remain warm and humid. The heat index is forecast to reach as high as 101F. There is a slight chance of showers and thunderstorms before 7pm, followed by partly cloudy skies. Temperatures will rise slightly to around 81F during the overnight hours.

Tomorrow, the heat will persist but with slightly lower peak temperatures. The high will be near 99F, with the heat index reaching 102F. Skies will be sunny, and winds will come from the south at 5 to 10 mph. The low tomorrow night will be around 79F, with clear skies and a heat index up to 101F.

Safety Reminders

Given the dangerous heat index values, it is critical to stay hydrated and limit midday exertion. Seek air-conditioned environments during the hottest parts of the day. Check on elderly neighbors and vulnerable individuals who may be less able to regulate their body temperature.

Wear lightweight, light-colored clothing and use sunscreen if you must be outside. Never leave children or pets in parked vehicles, as interior temperatures can rise rapidly to life-threatening levels.

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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