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5-day forecast / Plano, TX

TuesdaySunny101° / 81°
WednesdaySunny101° / 81° 1%
ThursdaySunny101° / 79°
FridaySunny101° / 81°
SaturdaySunny101° / 81°

Plano Heat Persists: Highs Near 100F Expected Today - Aug 9, 4 PM

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

Temperatures in Plano remain dangerously hot this Sunday afternoon with a feels-like of 98F. A high near 100F is forecast for today, with heat indices reaching 104F.

Lena Zimmer

August 9, 20261 min read

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

*As of Aug 9, 4 PM local time.*

Current Heat and Conditions

Plano residents are experiencing intense heat this Sunday afternoon. The current air temperature stands at 97F, but the combination of humidity and sun makes it feel like 98F. Relative humidity is at 33%, with a dew point of 63F. Winds are blowing from the south at 8 mph, with gusts reaching up to 12 mph. The sky remains mostly cloudy as the day progresses.

Forecast for Today and Tomorrow

Temperatures will remain elevated through the rest of today. The high is expected to reach near 100F, while the low will settle around 79F. There is a slight chance of showers and thunderstorms after 4pm, with an overall precipitation chance of 10%.

Heat index values are projected to climb as high as 104F during the peak heat hours. South winds will increase slightly to around 10 mph.

Tonight, conditions will clear out with mostly clear skies. A slight chance of showers and thunderstorms exists before 7pm. The low will be around 79F, though temperatures may rise to approximately 81F overnight. Heat index values could reach 101F. South southeast winds will continue around 10 mph.

Tomorrow brings sunny skies with a high near 99F and a low near 80F. The chance of precipitation drops to just 6%. Heat index values are expected to peak at 101F. Winds will pick up, blowing from the south at 10 to 15 mph.

Safety Reminders

With heat indices approaching 104F today, it is critical to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors who may be vulnerable to extreme heat. As temperatures remain high through tomorrow, continue to seek air-conditioned environments and wear lightweight, light-colored clothing if you must be outside.

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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