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5-day forecast / Plano, TX

TuesdaySunny101° / 81°
WednesdaySunny101° / 81° 1%
ThursdaySunny101° / 79°
FridaySunny101° / 81°
SaturdaySunny101° / 81°

Plano Heat and Humidity Persist Through the Weekend - Aug 9, 8 AM

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

Temperatures near 99F with high humidity continue in Plano. No severe weather alerts are active, but heat index values will reach dangerous levels.

Lena Zimmer

August 9, 20262 min read

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

*As of Aug 9, 8 AM local time.*

Current Conditions

It is currently Sunday this morning in Plano, TX, and the air feels heavy with moisture. The current air temperature stands at 81F, but the relative humidity of 79% pushes the feels-like temperature up to 85F. The dew point is recorded at 73F, indicating quite humid conditions that make the heat feel more oppressive than the thermometer suggests.

Winds are blowing from the south at 6 mph with gusts reaching 20 mph, while the sky remains clear.

Forecast Overview

The National Weather Service indicates that sunny skies will dominate the immediate forecast. Today is expected to be sunny with a high near 99F and a low near 79F. The chance of precipitation is minimal at just 3%. Heat index values are projected to climb as high as 103 during the day, driven by south winds of 5 to 10 mph.

Overnight tonight, conditions will remain clear with a low around 79F. However, temperatures will rise to around 81F overnight, keeping heat index values as high as 101. South winds will persist around 10 mph.

Tomorrow brings similar warmth and sun. Expect a high near 99F and a low near 81F, with only a 1% chance of precipitation. Heat index values will reach up to 102. Winds will continue from the south around 10 mph, with gusts as high as 20 mph.

Safety Reminder

With heat index values consistently exceeding 100F, extreme caution is advised. Hydrate frequently and limit midday exertion to avoid heat-related illness. Check on neighbors who may be vulnerable to the heat, especially those without air conditioning.

While there are no active NWS/NOAA weather alerts in effect for this area, the persistent humidity and high temperatures pose a significant health risk if proper precautions are not taken.

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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