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5-day forecast / Plano, TX

WednesdaySunny101° / 82°
ThursdaySunny102° / 80°
FridaySunny101° / 82° 4%
SaturdaySunny101° / 81°
SundaySunny102° / 81°

Plano Heat Wave: 102F Highs and Heavy Humidity Dominate Wednesday - Aug 12, 11 AM

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

Plano residents face a sweltering start to the week with temperatures near 102F and high humidity. No severe weather alerts are active, but extreme heat precautions are essential.

Lena Zimmer

August 12, 20262 min read

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

*As of Aug 12, 11 AM local time.*

Sweltering Conditions Set In

Plano is currently under the grip of intense heat, with the air temperature sitting at 82F and a feels-like reading of 88F. The atmosphere is quite humid, evidenced by a dew point of 73F and relative humidity at 74%. Winds are blowing from the south at 9 mph, with gusts reaching 16 mph, while the sky remains mostly clear.

Forecast Outlook

Today will be exceptionally hot and sunny, with a high near 102F. The National Weather Service indicates heat index values could climb as high as 106. South winds will pick up slightly, ranging from 10 to 15 mph with gusts as high as 25 mph. There is no chance of precipitation, leaving the sun unobstructed.

Tonight, skies will clear completely. Temperatures will drop to a low near 80F, though they may rise to around 82F overnight. The heat index will remain elevated, reaching up to 103. Winds will continue from the south at 10 to 15 mph, with gusts up to 25 mph.

Tomorrow brings another sunny day with a high near 101F. Heat index values are expected to peak at 102. South winds will persist around 15 mph, with gusts potentially hitting 30 mph.

Like today, there is zero percent chance of rain. Temperatures will fall to a low near 80F tomorrow night, rising to around 82F overnight, with heat indices up to 102 and winds gusting up to 30 mph.

Safety Reminders

With no active National Weather Service or NOAA alerts currently in effect, the primary concern is the extreme heat. Residents should hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on elderly neighbors and ensure pets have access to cool, shaded areas. The combination of high temperatures and humidity creates dangerous conditions for prolonged outdoor activity.

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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