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5-day forecast / Plano, TX

SundayMostly Sunny then Chance Showers And Thunderstorms101° / 79° 28%
MondayMostly Sunny99° / 77° 14%
TuesdayMostly Sunny98° / 79° 14%
WednesdaySunny100° / 82° 4%
ThursdaySunny102° / 82°

Plano Heat Wave Continues: Highs Near 100F Expected Today and Tomorrow

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

Plano residents face another day of intense heat with temperatures near 100F and heat indices up to 106F. A slight chance of storms develops late today.

Lena Zimmer

July 4, 20262 min read

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

Intense Heat Persists

Plano is currently enduring a significant heat event, with the air temperature sitting at 97F and a feels-like temperature of 98F. The relative humidity is at 33%, with a dew point of 63F. Winds are light from the south at 7 mph, with gusts reaching 11 mph, under partly cloudy skies.

Today, the high will reach near 100F. The National Weather Service indicates heat index values as high as 106F. While the morning may be clear, there is a slight chance of showers and thunderstorms after 4pm. The low tonight will be near 81F, with temperatures rising to around 83F overnight. Heat index values will remain elevated at up to 104F. Winds will shift to south southeast at 5 to 10 mph.

Tomorrow’s Forecast

Temperatures will climb further tomorrow, with a high near 101F. The sky will be mostly sunny initially, but a chance of showers and thunderstorms is expected after 4pm. The heat index will again reach as high as 106F. Winds will be from the south southwest around 5 mph. The chance of precipitation is listed at 28% for the day, aligning with the 30% chance noted in the detailed forecast.

Tonight, there is a chance of showers and thunderstorms before 7pm, followed by a slight chance between 7pm and 1am. The low will be near 79F, with temperatures rising to around 81F overnight. Heat index values will be up to 103F. Winds will be south southeast around 5 mph.

Safety Reminder

With heat indices exceeding 100F, it is critical to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors and loved ones who may be vulnerable to extreme heat. Although there are no active weather alerts, the potential for late-day storms requires caution if traveling during those hours.

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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