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5-day forecast / Plano, TX

TuesdaySunny103° / 82°
WednesdayMostly Sunny102° / 83° 1%
ThursdayMostly Sunny102° / 83° 2%
FridayMostly Sunny103° / 83° 6%
SaturdaySunny101° / 78° 8%

Plano Heat Advisory in Effect as Temperatures Climb Near 103 Degrees - Jul 27, 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. Highs near 100F today will rise to 103F tomorrow, with heat indices reaching 110F.

Lena Zimmer

July 28, 20262 min read

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

*As of Jul 27, 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. Residents are experiencing intense heat right now, with the air temperature at 99F and a feels-like temperature also at 99F. The relative humidity sits at 35%, with a dew point of 64F.

Winds are blowing from the south at 13 mph, with gusts reaching 17 mph, under a clear sky.

The National Weather Service has issued this advisory to warn of dangerously hot conditions. While the official alert details specific times, the core message is clear: extreme heat is present and will persist. This advisory underscores the need for caution as temperatures remain elevated well into the night and across the next day.

Forecast for Today, Tonight, and Tomorrow

Today, the high will reach near 100F, with a low near 82F. The sky will remain mostly clear, and there is a zero percent chance of precipitation. As evening approaches, conditions will stay mostly clear.

The low will settle around 82F, though temperatures may rise slightly to around 84F overnight. Heat index values are expected to hit as high as 104. Winds will shift to a south direction at 5 to 10 mph.

Tomorrow brings even more intense heat. The sky will be sunny, with a high near 103F and a low near 82F. There remains a zero percent chance of rain.

The heat index is projected to soar to 109. Winds will come from the south southwest at around 10 mph. Looking ahead to tomorrow night, the sky will return to mostly clear.

The low will be around 82F, with temperatures rising to about 84F overnight. Heat index values could reach as high as 110, with south winds at 5 to 10 mph.

Safety Reminder

Given the active Heat Advisory and the forecasted heat indices exceeding 100 degrees, it is critical to prioritize safety. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday and afternoon hours when the sun is strongest.

Seek air-conditioned environments as much as possible. Check on elderly neighbors or those without adequate cooling, as extreme heat can be dangerous for vulnerable populations. Do not leave people or pets in parked vehicles.

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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