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5-day forecast / Plano, TX

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

Plano Heat Advisory in Effect as Temperatures Climb Near 100 - Jul 20, 12 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 91F. Highs near 100F today and 104F tomorrow bring 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, 12 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 Monday afternoon, the air temperature stands at 88F, with a feels-like reading of 91F due to humidity levels at 52% and a dew point of 68F. Winds are light, blowing from the south southwest at 3 mph with gusts reaching 6 mph, under a clear sky.

The National Weather Service has issued this advisory to warn residents of the intense heat expected to persist through the evening. The official alert was issued on July 20 at 11:09AM CDT and remains valid until July 21 at 8:00PM CDT. This period covers the current day and the following day, highlighting the need for caution as temperatures rise significantly above normal seasonal averages.

Forecast for Today and Tomorrow

Today, the sun will remain out with a high near 100F. The heat index is expected to reach as high as 107F, making it feel even hotter than the actual air temperature. South southwest winds will hover around 5 mph. Overnight, skies will clear, but temperatures will not drop significantly, rising to around 84F while the heat index stays high at 105F.

Tomorrow brings even more intense heat, with a high near 104F and sunny skies. The heat index will climb to 109F, creating dangerous conditions for prolonged outdoor exposure. Winds will shift to the west southwest at around 5 mph.

Tomorrow night, skies will clear again, with lows around 84F and temperatures rising to 86F overnight. The heat index will remain elevated at 108F, with light south southeast winds between 0 and 5 mph.

Safety Reminders

Given the active Heat Advisory and extreme heat index values, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors and ensure pets have access to cool water and shade. Avoid direct sun exposure during peak heat hours, and seek air-conditioned environments whenever possible to prevent heat-related illnesses.

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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