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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 99°F Today as Humidity Clings - Jul 17, 12 PM

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

Temperatures in Plano are soaring with a heat index near 99°F today. Humidity remains high with a dew point of 79°F. No severe weather alerts are active.

Lena Zimmer· AI-assisted, edited by Jake Team

July 17, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Jul 17, 12 PM local time.*

Current Conditions and Heat Stress

Plano residents are experiencing oppressive heat and humidity this Friday afternoon. The air temperature is currently 84°F, but the combination of heat and moisture makes it feel like 96°F. Relative humidity is sitting at 84%, with a dew point of 79°F, creating a muggy atmosphere that feels heavy and stifling.

Winds are blowing from the south at 11 mph, with gusts reaching 17 mph, while the sky remains mostly cloudy.

Forecast for Today and Tomorrow

The heat will intensify as the day progresses. Today is expected to be mostly sunny with a high near 91°F. The National Weather Service indicates that heat index values could climb as high as 99°F. South winds will range from 5 to 15 mph, with gusts potentially reaching 25 mph. The chance of precipitation is low at 10%.

Tonight, skies will clear to partly cloudy conditions with a low around 77°F. Winds will shift to the south-southwest at 5 to 10 mph, with gusts up to 20 mph.

Tomorrow looks to be even hotter. Expect mostly sunny skies with a high near 96°F. The heat index is forecast to reach as high as 104°F. South-southwest winds will average around 10 mph. The chance of rain drops to just 2%. Temperatures will settle to a low of 78°F tomorrow night under mostly clear skies, with heat index values remaining high at 102°F.

Safety Reminders

With heat indices approaching 100°F, the risk of heat-related illness increases significantly. It is crucial to stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

If you must be outside, seek air-conditioned spaces regularly and wear lightweight, light-colored clothing. Check on elderly neighbors or those without reliable cooling to ensure their safety during this period of intense heat.

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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