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5-day forecast / Allen, TX

WednesdaySunny then Slight Chance Showers And Thunderstorms98° / 76° 10%
ThursdayChance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms93° / 77° 29%
FridaySlight Chance Rain Showers97° / 77° 24%
SaturdaySunny98° / 78° 3%
SundaySunny99° / 79° 3%

Allen Weather: High Humidity and Heat Loom Over Local Forecast - Sep 2, 8 AM

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

Allen residents face a muggy start with a 72F dew point. Today brings a high near 98F with a slight chance of afternoon storms, followed by increased rain chances overnight and tomorrow.

Zane Lowery

September 2, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 2, 8 AM local time.*

Muggy Conditions Begin

The morning in Allen is defined by significant humidity, with a dew point sitting at 72F and relative humidity at 79%. The air temperature is currently 79F, though it feels like 82F due to the moisture in the air. Winds are light at 3 mph with gusts to 6 mph, and the sky remains clear.

This high moisture content sets the stage for a warm and sticky day ahead, as the heat index is expected to climb significantly later in the day.

Today and Tonight Outlook

Residents should expect a high near 98F today, with heat index values reaching as high as 102. The day will start sunny, but a slight chance of showers and thunderstorms is possible after 4pm. East southeast winds will range from 5 to 10 mph, with gusts potentially reaching 20 mph.

As night falls, the chance of precipitation rises to 30%. A slight chance of storms exists before 4am, followed by a higher chance of showers and thunderstorms. The low will be around 76F, with heat index values near 101.

Southeast winds will strengthen to 10 to 15 mph, and new rainfall amounts of less than a tenth of an inch are possible.

Tomorrow's Forecast

Tomorrow will bring a high near 93F and a low around 77F. The chance of precipitation is 30%, with a chance of showers and thunderstorms before 7am. Between 7am and 4pm, the chance becomes slight, before increasing again later in the day.

Partly sunny skies are expected, with heat index values reaching 100. South southeast winds will blow at 10 to 15 mph, with gusts as high as 25 mph. Rainfall totals are expected to remain under a tenth of an inch.

Given the persistent humidity and heat, it is wise to stay hydrated and limit strenuous outdoor activities during the hottest parts of the day.

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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