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5-day forecast / Plano, TX

FridayMostly Sunny then Chance Showers And Thunderstorms98° / 80° 26%
SaturdaySunny101° / 80° 4%
SundaySunny100° / 79° 2%
MondaySunny100° / 80° 1%
TuesdaySunny100° / 79° 2%

Plano Heat Index Hits 103 as Humidity Lingers - Sep 3, 2 PM

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

Temperatures soar to 90F with a feels-like of 98F in Plano today. High humidity and scattered storms are possible before noon, followed by intense heat tomorrow.

Lena Zimmer

September 3, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 3, 2 PM local time.*

Current Conditions and Heat Index

It is currently Thursday this afternoon in Plano, TX, where the air temperature stands at 90F. Due to significant moisture in the atmosphere, the feels-like temperature is a stifling 98F. The relative humidity is at 59%, with a dew point of 73F, creating a muggy environment that amplifies the perceived heat.

Winds are blowing from the south southeast at 14 mph, with gusts reaching up to 25 mph. The sky remains mostly cloudy as the day progresses.

Today and Tonight Forecast

Today, the high will reach near 90F, while the low is expected to settle near 76F. There is a 43% chance of precipitation, with showers and thunderstorms possible. According to the National Weather Service, there is a chance of showers and thunderstorms before 1pm, followed by another chance later in the day.

Partly sunny skies will prevail, but heat index values could climb as high as 103. South southeast winds will continue at 10 to 15 mph with gusts up to 25 mph. Rainfall amounts are expected to be minimal, less than a tenth of an inch.

Tonight, conditions remain humid with a chance of showers and thunderstorms. The sky will be mostly cloudy, and the low will drop to around 76F, though temperatures may rise to about 79F overnight. Heat index values could reach 100.

Winds will ease slightly to 5 to 15 mph from the south southeast, with gusts still possible up to 25 mph. The chance of precipitation drops to 30%, with new rainfall amounts between a tenth and quarter of an inch possible.

Tomorrow Outlook

Tomorrow brings significantly warmer temperatures, with a high near 96F. There is a slight chance of rain showers before 7am, but skies will become mostly sunny thereafter. The low will be near 77F.

Heat index values are forecast to peak at 104. Winds will be lighter, coming from the south southeast at 5 to 10 mph. The chance of precipitation is 18%, with less than a tenth of an inch of rain possible.

Safety Reminder

With heat indices exceeding 100F, it is crucial to stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to extreme heat. No active weather alerts are currently in effect.

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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