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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%

Humid Start in Allen as Temps Climb Toward 97 - Jul 18, 4 AM

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

Allen, TX wakes to high humidity with a dew point of 72F. Temperatures will rise significantly today and tomorrow, with heat index values reaching 103F.

Zane Lowery

July 18, 20262 min read

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

*As of Jul 18, 4 AM local time.*

Current Conditions and Humidity

It is currently Saturday overnight in Allen, TX, and the air feels heavy with moisture. The current air temperature is 81F, but the feels-like temperature is 85F due to the high humidity. The relative humidity stands at 74%, with a dew point of 72F. Winds are blowing from the south at 10 mph, with gusts reaching 18 mph. The sky remains clear at this hour.

Forecast for Today and Tomorrow

Today, the sun will dominate the sky with mostly sunny conditions. Highs will reach near 95F, while lows will drop to around 76F. The chance of precipitation is minimal at 2%. As the day progresses, heat index values are expected to climb as high as 101F. Winds will continue from the south southwest around 10 mph, with gusts potentially hitting 20 mph.

Tonight, the sky will transition to partly cloudy before becoming mostly clear. Lows will settle around 76F, though temperatures may rise to around 78F overnight. Heat index values could reach 98F. South winds will persist at 5 to 10 mph.

Tomorrow, the weather will be sunny with highs near 97F. The heat index is forecast to reach 103F, making it feel significantly hotter than the actual air temperature. Lows will be near 79F, with temperatures potentially rising to 81F overnight. The chance of rain remains low at 2%. Winds will be from the south southwest at 5 to 10 mph.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts in effect for Allen at this time. However, the combination of high temperatures and elevated humidity requires caution. Residents should stay hydrated and limit prolonged exertion during the hottest parts of the day. Keep an eye on how the heat index affects your comfort level, especially if you are outdoors for extended periods.

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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