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5-day forecast / Plano, TX

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Plano Under Extreme Heat Warning as Temperatures Soar Near 105 - Aug 19, 2 PM

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

An active Extreme Heat Warning is in effect for Plano, TX, with current conditions already feeling like 99F. Highs near 104F today and 105F tomorrow bring dangerous heat index values up to 108F.

Lena Zimmer

August 19, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 19, 2 PM local time.*

Dangerous Heat Conditions Underway

Plano, TX is currently under an active Extreme Heat Warning issued by the National Weather Service in Fort Worth. This severe alert remains in effect until August 20 at 8:00PM CDT, signaling a period of dangerously high temperatures that pose significant risks to health and safety.

Current conditions reflect the intensity of this heat event. At this afternoon moment on Wednesday, the air temperature stands at 99F, with a feels-like temperature also registering at 99F. The relative humidity is at 29%, with a dew point of 61F. Winds are light at 5 mph, with gusts reaching up to 9 mph, under a clear sky.

Forecast and Safety Guidance

Today will see mostly sunny skies with a high near 104F. The National Weather Service notes heat index values as high as 107 during this period, driven by south southwest winds around 10 mph. Overnight tonight, conditions will become mostly clear.

Temperatures will drop to a low near 83F, though they may rise to around 85F later in the night. Heat index values will remain elevated at up to 107, with south southwest winds continuing around 10 mph.

Tomorrow brings even more intense heat. Expect sunny skies and a high near 105F. The heat index is forecast to reach as high as 108F, accompanied by southwest winds between 5 and 10 mph. Tomorrow night will be mostly clear with a low around 82F, potentially rising to 84F overnight. Heat index values will stay near 107, with south winds around 5 mph.

Given the severity of this warning, residents must take immediate precautions. Extreme heat can lead to heat exhaustion and heat stroke rapidly. Stay hydrated by drinking water frequently, even if you do not feel thirsty.

Limit outdoor exertion, especially during the midday hours when solar intensity is highest. Seek air-conditioned environments as much as possible. Check on elderly neighbors or those without reliable cooling to ensure their safety.

Do not leave people or pets in parked vehicles under any circumstances.

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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Lena Zimmer

Lena Zimmer covers weather, storms, and seasonal life around Plano.

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