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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%

Humidity and Heat Dominate Allen Weather Today - Jul 19, 8 AM

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

Allen faces high humidity with a dew point of 73F and temperatures near 97F today. No severe alerts are active, but heat index values will reach 103F.

Zane Lowery

July 19, 20262 min read

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

*As of Jul 19, 8 AM local time.*

Current Conditions and Humidity

Residents in Allen, TX, are experiencing a notably humid start to the day. As of this Sunday morning, the air temperature stands at 81F, but the heat index makes it feel like 85F. The relative humidity is sitting at 79%, with a dew point of 73F indicating significant moisture in the air.

Winds are currently blowing at 8 mph with gusts reaching up to 20 mph, while the sky remains clear.

Today and Tonight Forecast

The day ahead will bring intense heat. Highs are expected to reach near 97F, with heat index values climbing as high as 103F. The sky will be sunny initially, but there is a slight chance of showers and thunderstorms developing after 4pm.

The chance of precipitation is listed at 15% overall, though the official forecast notes a 20% chance during that afternoon window. Winds will shift to a south southwest direction at 5 to 10 mph.

As evening approaches, conditions will remain warm. Lows will drop to around 79F, though temperatures may rise slightly to around 81F overnight. There is a slight chance of showers and thunderstorms before 7pm, with a 20% chance of precipitation. The sky will become mostly clear by late night. Winds will continue from the south at 5 to 10 mph.

Tomorrow Outlook

Tomorrow will be even hotter and drier. Expect sunny skies with a high near 100F. The heat index is projected to reach as high as 105F.

Winds will be lighter, coming from the southwest around 5 mph. The chance of precipitation drops significantly to just 2%. Temperatures will settle to a low near 81F tomorrow night, with clear skies and heat index values up to 103F.

Safety Reminder

Given the high heat index values exceeding 100F, it is crucial to stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to extreme heat. While no active National Weather Service or NOAA alerts are in effect, the combination of high temperatures and humidity requires caution.

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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