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5-day forecast / Plano, TX

TuesdaySunny104° / 82° 1%
WednesdaySunny103° / 81°
ThursdaySunny100° / 81° 1%
FridaySunny102° / 84°
SaturdayMostly Sunny102° / 84° 8%

Plano Heat Advisory in Effect as Temperatures Climb Near 104 - Jul 20, 8 PM

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 99F. Conditions remain hot and clear through tomorrow, with highs nearing 104F.

Lena Zimmer

July 21, 20262 min read

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

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

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Plano, Texas, signaling moderate severity and expected urgency. As of this evening, the air temperature stands at 99F, with a feels-like temperature also at 99F. The relative humidity is at 41%, and the dew point is recorded at 68F.

Winds are light, blowing at 3 mph with gusts reaching up to 12 mph, while the sky remains mostly clear.

Forecast for Today and Tomorrow

Today, residents can expect clear skies with a high near 100F and a low near 82F. The chance of precipitation is minimal at just 1%. Looking ahead to tomorrow, conditions will shift to sunny skies with a high near 104F and a low near 84F. The chance of rain remains at 1%.

Overnight tonight, temperatures will drop to around 82F but will rise to approximately 84F by morning. Heat index values are expected to reach as high as 106. Winds will shift to the south southwest at around 5 mph.

Tomorrow, the heat index will climb further, reaching values as high as 109. Winds will come from the west southwest at around 5 mph. Following tomorrow, clear skies will return with a low around 84F, rising to about 86F overnight, with heat index values peaking at 107.

Winds will be light, from the south southeast at 0 to 5 mph.

Safety Reminders

Given the active Heat Advisory and the intense heat expected through tomorrow, it is crucial to prioritize safety. 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 without air conditioning to ensure their well-being. If you must be outside, seek shade frequently and wear lightweight, light-colored clothing to help manage the rising heat index values.

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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