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5-day forecast / Plano, TX

SaturdaySunny98° / 80° 1%
SundayMostly Sunny then Chance Showers And Thunderstorms96° / 77° 45%
MondayChance Showers And Thunderstorms94° / 75° 37%
TuesdayChance Rain Showers then Slight Chance Showers And Thunderstorms93° / 75° 27%
WednesdayMostly Sunny then Slight Chance Showers And Thunderstorms94° / 76° 15%

Plano Weather: Oppressive Humidity and Heat Index Near 104 Today - Jul 11, 8 AM

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

Plano faces oppressive humidity with a dew point of 79F and a heat index reaching 104F today. Sunny skies dominate, with a chance of showers and thunderstorms tomorrow afternoon.

Lena Zimmer

July 11, 20262 min read

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

*As of Jul 11, 8 AM local time.*

Current Conditions and Notable Humidity

Plano residents are currently experiencing oppressively humid conditions this Saturday morning. The air temperature stands at 81F, but the heat index makes it feel like 88F. Relative humidity is at 94%, with a dew point of 79F indicating significant moisture in the air. Winds are blowing from the south southwest at 6 mph, with gusts reaching 16 mph. The sky remains clear at this time.

Today and Tonight Forecast

Today, the sun will dominate the sky with a high near 98F. The heat index is expected to climb as high as 104F, creating dangerous heat stress levels. Winds will shift slightly to the south, maintaining speeds of 5 to 10 mph. The chance of precipitation is minimal at just 1%.

Tonight, conditions will remain mostly clear with a low around 80F. The oppressive heat will linger, with heat index values staying as high as 104F. Winds will continue from the south at 5 to 10 mph. Residents should prioritize hydration and limit midday exertion to avoid heat-related illness.

Tomorrow Outlook

Tomorrow, the weather pattern shifts with a high near 96F. Temperatures may fall to around 94F in the afternoon. The sky will start sunny but will see a chance of showers and thunderstorms between 1pm and 4pm. The chance of precipitation is 38%. Winds will be light from the south southwest around 5 mph. The heat index will remain high at 104F.

There are no active National Weather Service or NOAA weather alerts in effect for this area. However, the combination of high heat and humidity requires caution. Stay hydrated and check on neighbors who may be vulnerable to the heat. While rainfall amounts are expected to be less than a tenth of an inch, the humidity will remain a notable feature of the forecast.

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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