Humidity Clings to Allen as Temps Climb Toward 98 - Jul 11, 4 AM
Allen weather, updated every four hours — local forecasts you can trust.
Allen faces a humid Saturday with highs near 98 and a heat index up to 104. Showers and thunderstorms are possible tomorrow with up to half an inch of rain.
Zane Lowery
July 11, 2026/2 min read
National Weather Service radar for North Texas (KFWS)
*As of Jul 11, 4 AM local time.*
Current Conditions and Heat Index
It is currently Saturday overnight in Allen, TX, and the air remains quite humid. The current air temperature is 82F, but the feels-like temperature is 87F due to the moisture in the air. The relative humidity is at 70%, with a dew point of 72F.
Winds are blowing from the south at 6 mph, with gusts reaching up to 21 mph. The sky is clear at this hour.
Forecast for Today and Tonight
Today will be sunny with a high near 98F. The heat index values are expected to reach as high as 104. South southwest winds will range from 5 to 10 mph.
The chance of precipitation is just 1%. As tonight approaches, conditions will remain clear with a low around 79. Temperatures may rise slightly to around 81 overnight.
The heat index will stay high, reaching up to 102. South winds will continue at 5 to 10 mph.
Tomorrow’s Rain and Thunderstorm Chance
Tomorrow brings a shift in the weather pattern. The day will start mostly sunny with a high near 96F. Temperatures will fall slightly to around 94 in the afternoon.
The heat index will peak at 105. South southwest winds will be light, around 5 mph. There is a slight chance of rain showers between 10am and 1pm.
This will be followed by a chance of showers and thunderstorms between 1pm and 4pm, with the chance continuing afterward. The overall chance of precipitation is 40%, with new rainfall amounts between a quarter and half of an inch possible.
Tomorrow night will see a chance of showers and thunderstorms before 7pm, followed by likely showers and thunderstorms. The sky will be mostly cloudy with a low around 76. Southeast winds will be calm, ranging from 0 to 5 mph. The chance of precipitation rises to 60%.
Safety Reminders
Given the high heat index values today and tomorrow, it is important to stay hydrated and limit midday exertion. Check on neighbors and loved ones who may be vulnerable to extreme heat. As thunderstorms become likely tomorrow, be prepared for sudden changes in weather and seek shelter if necessary.
National Weather Service radar for North Texas (KFWS)
A Heat Advisory is active for Allen, TX, with current feels-like temperatures at 94F. Conditions remain hot and dry through tomorrow with highs near 102F.