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5-day forecast / Plano, TX

WednesdaySunny103° / 80° 2%
ThursdaySunny99° / 80°
FridaySunny101° / 83° 1%
SaturdayMostly Sunny102° / 83° 5%
SundaySunny102° / 83° 1%

Plano Heat Warning and Air Quality Alert in Effect as Temperatures Soar - Jul 21, 8 PM

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

An Extreme Heat Warning and Air Quality Alert are active for Plano, TX. Current conditions show a heat index of 106F with clear skies. Residents are urged to take precautions against dangerous heat levels through tomorrow evening.

Lena Zimmer

July 22, 20262 min read

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

*As of Jul 21, 8 PM local time.*

Dangerous Heat and Air Quality Concerns

Plano, TX is currently under the influence of two active National Weather Service alerts: an Extreme Heat Warning and an Air Quality Alert. The heat warning is classified as severe with expected urgency, while the air quality alert carries unknown severity and urgency levels. These alerts highlight the hazardous conditions impacting the area right now.

Current conditions in Plano reflect the intensity of this heat event. The air temperature stands at 102F, but the combination of heat and humidity results in a feels-like temperature of 106F. Relative humidity is at 29% with a dew point of 64F.

Winds are blowing from the south southeast at 10 mph, with gusts reaching 8 mph. The sky remains clear, offering no relief from the sun.

Forecast for Tonight and Tomorrow

The heat will persist through the night. Tonight is expected to be clear with a low near 84F. However, temperatures will rise to around 86F overnight, creating heat index values as high as 111. Winds will shift to the south southeast at 0 to 5 mph. Residents should remain vigilant as the heat does not break significantly after sunset.

Tomorrow will bring continued sunny skies with a high near 103F. The heat index is forecast to reach as high as 113. Winds will turn to the north northeast at 5 to 10 mph.

The chance of precipitation is minimal at 2%. Tomorrow night will be clear with a low around 80F, though temperatures may rise to around 82F overnight. Heat index values will remain elevated at up to 109, with east northeast winds at 5 to 10 mph.

Safety Reminders

Given the severe heat warning, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. Avoid prolonged exposure to the sun during peak hours. The air quality alert also suggests that sensitive groups should monitor their health and consider limiting outdoor activities if symptoms arise. Stay safe and cool.

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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