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5-day forecast / Allen, TX

FridayMostly Sunny92° / 72°
SaturdayPartly Sunny94° / 73° 2%
SundaySlight Chance Rain Showers97° / 75° 21%
MondayMostly Sunny96° / 76° 13%
TuesdayChance Showers And Thunderstorms94° / 75° 14%

Heat Advisory in Effect for Allen as Temperatures Climb Near 100 - Aug 11, 1 PM

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

A Heat Advisory is active for Allen, TX, with current feels-like temperatures at 99F. Highs near 99F today and 101F tomorrow will bring heat index values up to 107.

Zane Lowery

August 11, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 11, 1 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Allen, Texas, signaling moderate severity and expected urgency. The National Weather Service has issued this advisory to warn residents of dangerously hot conditions. As of this afternoon, the air temperature stands at 91F, but the combination of heat and humidity makes it feel like 99F.

The relative humidity is at 53%, with a dew point of 72F, indicating quite humid air. Winds are blowing from the south southwest at 7 mph, with gusts reaching 13 mph, under a clear sky.

Today and Tonight Forecast

Today will be sunny with a high near 99F. The National Weather Service notes that heat index values could reach as high as 107 due to the heat and humidity. South southwest winds will pick up, ranging from 10 to 15 mph. The chance of precipitation is minimal at just 1%.

Tonight, skies will become mostly clear. Temperatures will drop to a low near 79F, though they may rise to around 81F overnight. Heat index values will remain elevated, potentially hitting 104. South winds will continue at 10 to 15 mph. Residents should remain cautious as the heat lingers into the night.

Tomorrow and Safety Reminders

Tomorrow will also be sunny, with a high near 101F. Heat index values are expected to reach 105. South winds will persist at 10 to 15 mph, with gusts as high as 25 mph. The chance of precipitation remains at 0%. Tomorrow night will be clear with a low around 79F, rising to 81F overnight, and heat index values up to 102.

Given the active Heat Advisory and the extreme heat index values, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. Avoid prolonged exposure to the sun and seek air-conditioned environments when possible. The combination of high temperatures and humidity poses significant health risks, so please take these conditions seriously.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Zane Lowery

Zane Lowery covers weather, storms, and seasonal life around Allen.

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