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5-day forecast / Allen, TX

WednesdaySunny101° / 80° 1%
ThursdaySunny101° / 78°
FridaySunny101° / 80°
SaturdaySunny101° / 80°
SundaySunny101° / 80°

Allen Heat Intensifies: Highs Near 99F Tonight, 101F Tomorrow - Aug 11, 8 PM

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

Allen residents face a prolonged heat wave with current feels-like temperatures at 96F. Highs will reach 99F today and climb to 101F tomorrow, with heat indices exceeding 105F.

Zane Lowery

August 12, 20262 min read

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

*As of Aug 11, 8 PM local time.*

Current Conditions and Immediate Outlook

The heat is already palpable in Allen this evening. Current readings show an air temperature of 93F, but the combination of humidity and wind creates a feels-like temperature of 96F. Relative humidity sits at 41% with a dew point of 66F. Winds are blowing from the south at 11 mph, with gusts reaching 20 mph, while the sky remains clear.

Today is shaping up to be exceptionally warm, with a high near 99F. There is no chance of precipitation, and skies will stay clear. As the sun sets, temperatures will drop to a low near 80F.

However, the heat will not fully dissipate overnight. According to the National Weather Service, temperatures may actually rise to around 82F during the night hours. The heat index is expected to peak at 105F, meaning the perceived heat will remain dangerous well into the early morning hours.

South winds will continue at 10 to 15 mph, with gusts as high as 25 mph.

Tomorrow’s Forecast and Safety Guidance

Tomorrow will bring even more intense heat. The forecast calls for sunny skies and a high near 101F. The heat index is projected to reach as high as 106F, making this a day where extreme caution is necessary.

Winds will persist from the south at 10 to 15 mph, with gusts up to 25 mph. Overnight, conditions will clear again, with a low around 80F and temperatures rising to 82F. The heat index will remain elevated at 102F.

There are no active National Weather Service or NOAA weather alerts in effect for this area. Despite the lack of official warnings, the extreme heat indices pose significant health risks. Residents should prioritize hydration and limit outdoor exertion, especially during the peak heat of the day.

Check on elderly neighbors and ensure pets have access to cool, shaded areas. Avoid direct sun exposure when possible, and seek air-conditioned environments during the hottest parts of the day 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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