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5-day forecast / Allen, TX

WednesdaySunny104° / 82°
ThursdaySunny104° / 81° 2%
FridaySunny103° / 80° 4%
SaturdaySunny103° / 80° 3%
SundaySunny104° / 82° 2%

Allen Under Extreme Heat Warning as Temperatures Hold Near 104 - Aug 18, 5 PM

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

An active Extreme Heat Warning covers Allen, with current readings at 102F and a feels-like of 105F. Sunny skies and low humidity persist through tomorrow, with highs near 104F.

Zane Lowery

August 18, 20262 min read

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

*As of Aug 18, 5 PM local time.*

Severe Heat Alert in Effect

An Extreme Heat Warning is currently active for Allen, issued by the National Weather Service in Fort Worth. This severe alert remains in effect until 8:00 PM CDT on August 19. Residents should take immediate precautions as dangerous heat conditions persist.

The current air temperature stands at 102F, with a feels-like temperature of 105F. Relative humidity is low at 28%, and the dew point is 63F. Winds are blowing from the south at 13 mph, with gusts reaching 12 mph.

The sky remains clear, offering no relief from the intense solar radiation.

Today and Tonight Outlook

Today features sunny skies with a high near 104F. The heat index values are expected to reach as high as 106F. South winds will remain around 10 mph.

The chance of precipitation is minimal at 1%. Tonight, conditions will remain mostly clear. Temperatures will drop to a low near 82F, though they may rise to around 84F overnight.

The heat index will continue to hover near 106F. South winds will persist at approximately 10 mph. The lack of cloud cover means the ground will continue to radiate heat into the evening hours.

Tomorrow’s Forecast

Tomorrow brings another day of sunny weather with a high near 104F. The heat index values are projected to reach as high as 107F. Southwest winds will blow around 10 mph.

The chance of precipitation is 0%. Tonight, skies will remain mostly clear with a low near 82F, potentially rising to 84F. The heat index will be as high as 105F.

South winds will continue at around 10 mph. Given the sustained high temperatures and low humidity, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors and vulnerable individuals to ensure they have access to cooling and water.

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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