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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%

Allen Heat Index Hits 102 Tonight; Storms Possible Tomorrow - Jul 11, 8 PM

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

Allen residents face a very hot evening with heat indices reaching 102. Tomorrow brings a chance of showers and thunderstorms, particularly in the afternoon and evening hours.

Zane Lowery

July 12, 20262 min read

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

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

Current Conditions and Heat

It is currently Saturday evening in Allen, TX, and the heat is lingering. The air temperature stands at 91F, but the humidity is making it feel significantly warmer, with a feels-like temperature of 99F. The relative humidity is at 53%, and the dew point is 72F, indicating quite humid air.

Winds are blowing from the south at 13 mph, with gusts reaching 19 mph, while the sky remains clear.

Tonight and Tomorrow Forecast

Tonight, conditions will remain mostly clear. Temperatures will drop to a low near 79F, though they may rise slightly to around 81F during the overnight hours. The heat index will remain high, with values as high as 102. South winds will continue at 5 to 15 mph.

Tomorrow, the weather will shift. The day will start mostly sunny with a high near 96F. However, there is a chance of showers and thunderstorms developing between 1pm and 4pm, with additional chances later in the day.

The heat index could reach as high as 104. South southwest winds will be around 5 mph. The chance of precipitation is listed at 45% for the day, though the official forecast notes a 50% chance with new rainfall amounts less than a tenth of an inch possible.

Safety and Outlook

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 humidity requires caution. Residents should stay hydrated and limit midday exertion when possible.

As storms approach tomorrow, keep an eye on local updates for any sudden changes in conditions. The overnight low tomorrow night is expected to be near 76F, with a chance of showers and thunderstorms before 7pm, likely between 7pm and 10pm, and a chance between 10pm and 1am. New rainfall amounts between a tenth and quarter of an inch are possible during that period.

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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