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5-day forecast / Allen, TX

MondaySunny99° / 79°
TuesdaySunny100° / 80° 1%
WednesdaySunny100° / 80°
ThursdaySunny100° / 79°
FridaySunny101° / 80°

Allen Heat Wave Continues: Highs Near 99F and Heavy Humidity - Aug 9, 12 PM

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

Allen residents face another day of intense heat with temperatures near 99F and a heat index up to 103F. Humidity remains high with a dew point of 70F.

Zane Lowery

August 9, 20262 min read

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

*As of Aug 9, 12 PM local time.*

Intense Heat and Humidity in Allen

The sun is beating down on Allen this Sunday afternoon, with the air temperature reaching 93F. However, the combination of heat and moisture makes it feel significantly hotter, with a feels-like temperature of 99F. The relative humidity is sitting at 47%, and the dew point is 70F, indicating quite humid conditions that trap heat close to the ground.

Winds are currently light at 8 mph, with gusts reaching 6 mph, under a clear sky.

Forecast for Today and Tomorrow

According to the National Weather Service, today will remain sunny with a high near 99F. The heat index is expected to climb as high as 103F during the day. South southwest winds will blow between 5 to 10 mph.

The chance of precipitation is minimal at just 3%. As tonight approaches, skies will stay clear. Temperatures will drop to a low around 79F, though they may rise slightly to around 81F overnight.

The heat index will remain elevated, staying as high as 103F. South southeast winds will pick up slightly to around 10 mph.

Tomorrow brings no relief from the warmth. The forecast calls for sunny skies with a high near 99F. The heat index will be slightly lower than today, peaking around 102F.

South winds will continue at around 10 mph, with gusts reaching as high as 20 mph. The chance of rain is negligible at 1%. Tonight will also be clear, with a low around 80F and heat index values up to 102F.

South winds will persist at around 10 mph, with gusts up to 20 mph.

Safety Reminders

With temperatures and heat indices consistently above 100F, it is crucial to prioritize safety. 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.

If you must be outside, seek shade or air-conditioned spaces frequently. Check on elderly neighbors or those without air conditioning to ensure they are safe. Wear lightweight, light-colored clothing and apply sunscreen if you are exposed to the sun for extended periods.

There are no active weather alerts, but the persistent heat requires vigilance to prevent heat-related illnesses.

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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