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5-day forecast / Plano, TX

TuesdaySunny104° / 84° 1%
WednesdaySunny103° / 82° 2%
ThursdaySunny101° / 81° 1%
FridaySunny102° / 83°
SaturdayMostly Sunny101° / 83° 7%

Plano Heat Advisory in Effect as Temperatures Soar Near 101F - Jul 20, 8 AM

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

A Heat Advisory is active for Plano, TX, with current feels-like temperatures at 91F. Highs near 101F today and 104F tomorrow bring oppressive humidity and heat index values up to 109F.

Lena Zimmer

July 20, 20262 min read

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

*As of Jul 20, 8 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Plano, Texas, signaling dangerous heat conditions for the region. The National Weather Service has issued this moderate-severity alert, which is expected to impact the area. As of this morning, the air temperature stands at 82F, but the combination of heat and moisture makes it feel like 91F.

The relative humidity is at 84%, with a dew point of 77F, creating an oppressively humid atmosphere. Winds are light at 3 mph, with gusts reaching up to 11 mph, while the sky remains clear.

Forecast for Today and Tomorrow

Today will be sunny with a high near 101F. The National Weather Service indicates that heat index values could climb as high as 108F. Southwest winds will hover around 5 mph.

The chance of precipitation is minimal at just 1%. As the day transitions to tonight, skies will become mostly clear. Temperatures will drop to a low around 81F, though they may rise to approximately 84F overnight.

Heat index values will remain elevated, reaching up to 106F, with south southwest winds around 5 mph.

Tomorrow promises to be even hotter. Expect sunny skies with a high near 104F. The heat index is forecast to peak at 109F, with west southwest winds around 5 mph.

There is no chance of precipitation, recorded at 0%. Following tomorrow, the night will be clear with a low around 83F. Temperatures may rise to around 85F overnight, with heat index values up to 107F and south southwest winds between 0 and 5 mph.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values, residents are urged to take precautions. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors or those who may be vulnerable to heat-related illnesses. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the oppressive humidity and intense heat.

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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