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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%

High Heat and Humidity Return to Allen This Weekend - Jul 17, 4 AM

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

Allen faces rising temperatures and sticky humidity today and tomorrow, with heat indices reaching 103F. No severe weather alerts are currently in effect.

Zane Lowery

July 17, 20262 min read

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

*As of Jul 17, 4 AM local time.*

Current Conditions and Humidity

It is currently Friday overnight in Allen, TX, and the air feels thick with moisture. The current air temperature sits at 75F, but the feels-like temperature is 77F due to the high relative humidity of 89%. The dew point is recorded at 72F, indicating quite humid conditions that make the air feel heavier than the actual temperature suggests.

Skies are mostly cloudy with south winds blowing at 6 mph, with gusts reaching up to 14 mph.

Forecast for Today and Tomorrow

Today, the sun will break through the clouds, bringing mostly sunny skies. Highs will reach near 92F, while lows drop to around 74F. The chance of precipitation is low at 10%. However, the heat index will climb as high as 99F. South winds will range from 5 to 15 mph, adding to the muggy atmosphere.

Tonight, the sky will transition from mostly cloudy to partly cloudy. Temperatures will settle near 75F, though they may rise to around 77F overnight. The heat index remains elevated at 99F. Winds will shift to south southwest, maintaining speeds between 5 and 15 mph.

Tomorrow brings even more intense heat. Expect mostly sunny skies with a high near 95F. The heat index is forecast to reach as high as 103F, signaling dangerous heat levels. Lows will be around 77F. South southwest winds will average around 10 mph. Tomorrow night, skies will clear to mostly clear with lows around 77F and south winds of 5 to 10 mph.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts for Allen at this time. However, the combination of high temperatures and significant humidity requires caution. The heat index values approaching 103F pose a serious risk for heat-related illnesses.

Residents should stay hydrated and limit midday exertion when possible. Check on neighbors, especially the elderly and those with health conditions, to ensure they are safe in the rising heat. Avoid prolonged exposure to the sun during the hottest parts of the day.

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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