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5-day forecast / Plano, TX

SaturdayMostly Cloudy then Slight Chance Rain Showers61° / 47° 15%
SundayRain Showers51° / 44° 100%
MondayPartly Sunny57° / 45° 4%
TuesdaySunny64° / 48°
WednesdayMostly Sunny68° / 58° 1%

Plano Heat Index Hits 105 Today With Afternoon Storm Chance - Jul 5, 12 PM

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

Temperatures in Plano are soaring to near 100F today with a heat index up to 105F. A chance of showers and thunderstorms develops this afternoon.

Lena Zimmer· AI-assisted, edited by Jake Team

July 5, 20262 min read

National Weather Service radar for North Texas (KFWS)

As of Jul 5, 12 PM local time.

Sweltering Conditions and Storm Potential

Plano is experiencing intense heat this Sunday afternoon, with the air temperature currently at 90F and a feels-like temperature of 93F. The relative humidity sits at 49%, with a dew point of 68F. Winds are light, blowing from the east-southeast at 7 mph with gusts reaching 8 mph, under a clear sky.

Today will be particularly hot, with a high near 100F. The National Weather Service indicates that heat index values could climb as high as 105F. While the morning may start partly sunny, a chance of showers and thunderstorms is expected to develop after 1pm.

The chance of precipitation is listed at 42%, with new rainfall amounts between a tenth and a quarter of an inch possible. Winds will shift to around 5 mph from the east-southeast.

Outlook for Tonight and Tomorrow

Tonight, the sky will become mostly cloudy with a low near 77F. Temperatures may rise slightly to around 79F overnight. The chance of showers and thunderstorms persists before 1am, with a 40% probability and similar rainfall totals possible. The heat index will remain elevated, reaching up to 102F. Winds will continue around 5 mph from the east-southeast.

Tomorrow, conditions will begin to stabilize with a high near 98F and a low near 77F. The sky will be mostly sunny, and the chance of precipitation drops significantly to 11%. Heat index values are forecast to reach 102F. Winds will be light, ranging from 0 to 5 mph from the east. Less than a tenth of an inch of new rainfall is possible.

Safety Reminders

With temperatures and heat indices remaining dangerously high, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors and ensure pets have access to cool, shaded areas. Avoid leaving children or animals in parked vehicles. As storms approach later in the day, be prepared for sudden changes in weather and seek shelter if thunder is heard.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Lena Zimmer· AI-assisted, edited by Jake Team

Lena Zimmer covers weather, storms, and seasonal life around Plano.

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