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5-day forecast / Plano, TX

FridayMostly Sunny91° / 77° 10%
SaturdayMostly Sunny96° / 78° 2%
SundaySunny97° / 79°
MondaySunny100° / 81°
TuesdaySunny102° / 82°

Plano Weather: Oppressive Humidity and Rising Heat Ahead - Jul 17, 8 AM

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

Plano faces oppressive humidity with a dew point of 75F today. Temperatures will climb to 91F, with heat indices reaching 99F. Conditions improve slightly tomorrow with highs near 96F.

Lena Zimmer

July 17, 20262 min read

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

*As of Jul 17, 8 AM local time.*

Current Conditions and Humidity

Residents in Plano are currently experiencing oppressively humid conditions this Friday morning. The air temperature stands at 79F, but the high moisture content makes it feel like 82F. Relative humidity is sitting at a heavy 89%, with a dew point of 75F indicating significant moisture in the air.

Winds are blowing from the south at 9 mph, with gusts reaching up to 20 mph. The sky remains cloudy as the day begins.

Today and Tonight Forecast

Today, the sky will clear to become mostly sunny. Highs will reach near 91F, while lows will drop to around 77F tonight. The National Weather Service indicates that heat index values will climb as high as 99F during the day.

Winds will shift to a south direction, ranging from 5 to 15 mph, with gusts potentially hitting 25 mph. There is only a 10% chance of precipitation.

Tonight, skies will become partly cloudy. Lows will settle around 77F. Winds will ease to a south southwest direction, blowing between 5 to 10 mph, with gusts up to 20 mph. The air will remain muggy, so staying hydrated is essential even as temperatures drop slightly.

Tomorrow Outlook

Tomorrow, the heat will intensify significantly. The forecast calls for mostly sunny skies with highs near 96F. Heat index values are expected to soar as high as 104F.

Winds will be from the south southwest, averaging around 10 mph. The chance of precipitation drops to just 2%. Temperatures will fall to a low of around 78F tomorrow night, with heat indices remaining high at 102F.

Winds will remain light from the south at 5 to 10 mph.

Safety Reminder

With heat indices approaching 104F, extreme caution is advised. Limit outdoor exertion during the hottest parts of the day and drink plenty of water. Check on elderly neighbors and ensure pets have access to cool, shaded areas. Avoid direct sun exposure when possible to prevent heat-related illnesses.

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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