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5-day forecast / Allen, TX

FridaySlight Chance Showers And Thunderstorms105° / 82° 12%
SaturdayMostly Sunny then Slight Chance Showers And Thunderstorms106° / 82° 13%
SundaySunny106° / 84° 7%
MondaySunny106° / 84° 4%
TuesdaySlight Chance Rain Showers then Sunny106° / 83° 15%

Allen Faces Severe Heat Warning as Temperatures Approach 105 Degrees - Aug 21, 2 PM

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

An Extreme Heat Warning is active for Allen, with current temperatures at 93F and a high near 105F expected. An Air Quality Alert is also in effect. Residents should stay hydrated and limit midday exertion.

Zane Lowery

August 21, 20262 min read

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

*As of Aug 21, 2 PM local time.*

Severe Heat Warning Active

Allen is currently under an Extreme Heat Warning issued by the National Weather Service. This severe alert remains in effect until early tomorrow evening. Additionally, an Air Quality Alert is active for the region. The combination of intense heat and potential air quality concerns requires residents to remain vigilant about their health and outdoor activities.

Current Conditions and Today's Outlook

It is currently Friday afternoon, with the air temperature sitting at 93 degrees Fahrenheit. The heat index makes it feel like 96 degrees. Relative humidity is at 41 percent, and the dew point is 66 degrees.

Winds are blowing from the south at 8 miles per hour, with gusts reaching 10 miles per hour. The sky is clear. Today’s high is expected to reach near 105 degrees, with a low near 82 degrees.

There is a 12 percent chance of precipitation, with a slight chance of showers and thunderstorms before 4 p.m. Heat index values could reach as high as 109 degrees. Tonight will be partly cloudy with a low around 82 degrees, though temperatures may rise to around 84 degrees overnight.

Heat index values could reach 107 degrees.

Tomorrow's Forecast and Safety

Tomorrow will bring a high near 106 degrees and a low near 82 degrees. The sky will be mostly sunny, with a 13 percent chance of precipitation. A slight chance of showers and thunderstorms is possible after 4 p.m.

Heat index values may reach 107 degrees. Winds will continue from the south at 5 to 10 miles per hour. Given the severe heat warning, it is crucial to stay hydrated and limit midday exertion.

Check on neighbors, especially those who are elderly or have limited access to air conditioning. Avoid prolonged exposure to direct sunlight and seek cool, shaded areas whenever possible. Monitor local news for updates on the air quality alert and any changes to the heat warning status.

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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