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5-day forecast / Allen, TX

WednesdayMostly Sunny104° / 82°
ThursdaySunny105° / 81° 13%
FridayMostly Sunny105° / 81° 6%
SaturdaySunny105° / 81° 5%
SundaySunny105° / 82° 3%

Allen Residents Face Severe Heat Warning with Temperatures Near 105 - Aug 19, 2 PM

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

An Extreme Heat Warning is active for Allen. Current temperatures are 102F, feeling like 105F. Today's high is near 104F with no rain expected. Stay hydrated and limit outdoor activity.

Zane Lowery

August 19, 20261 min read

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

*As of Aug 19, 2 PM local time.*

Severe Heat Warning Active

An Extreme Heat Warning is currently in effect for the Allen area, issued by the National Weather Service in Fort Worth. This severe alert remains active until 8:00 PM CDT on August 20. Residents should take immediate precautions as dangerous heat conditions persist.

The current air temperature is 102F, but the heat index makes it feel like 105F. Relative humidity is low at 28%, with a dew point of 63F. Winds are blowing from the south southwest at 13 mph, with gusts reaching 18 mph.

The sky is clear, allowing direct solar radiation to intensify the heat.

Today and Tonight Outlook

Today will be mostly sunny with a high near 104F. The heat index values may reach as high as 108F. There is a 0% chance of precipitation, and winds will remain around 10 mph.

Tonight, conditions will stay mostly clear with a low around 82F. Temperatures are expected to rise to around 84F overnight, and heat index values could reach 107F. South winds will continue at approximately 10 mph.

The lack of cloud cover means the ground will retain heat, keeping nighttime temperatures uncomfortably warm.

Tomorrow's Forecast

Tomorrow will be sunny with a high near 105F. The heat index may again reach 108F. There is a slight 13% chance of precipitation, but sunny conditions are expected to dominate.

Southwest winds will shift to 5 to 10 mph. Tonight, it will be mostly clear with a low around 81F, rising to 83F overnight. Heat index values may reach 106F.

Given the sustained high temperatures and low humidity, it is critical to stay hydrated, limit midday exertion, and check on vulnerable neighbors. Avoid prolonged exposure to direct sunlight and seek air-conditioned environments when possible.

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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