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5-day forecast / Plano, TX

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Plano Faces Extreme Heat Warning as Temperatures Hit 104F - Aug 17, 5 PM

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

An Extreme Heat Warning is in effect for Plano, TX, with highs near 104F and heat indices reaching 105F. Residents are urged to take precautions against dangerous heat.

Lena Zimmer

August 17, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 17, 5 PM local time.*

Dangerous Heat Conditions Underway

Plano, TX is currently under an Active NWS alert: Extreme Heat Warning (severity Severe). The current air temperature stands at 102F, with a feels-like reading of 102F. Relative humidity is at 23%, and the dew point is 57F. Winds are blowing from the south southeast at around 6 mph, with gusts up to 6 mph. The sky remains mostly clear.

Today brings sunny skies with a high near 104F and a low near 83F. The chance of precipitation is just 8%. According to the National Weather Service, heat index values will reach as high as 105 today. Overnight, conditions will be mostly clear, with temperatures rising to around 85 before settling to a low of 83. Heat indices may climb to 104 tonight.

Tomorrow continues the hot trend with sunny skies and a high near 105F. The low will be near 83F, with only a 1% chance of precipitation. Heat index values are expected to hit 105 again.

Winds will shift to the southwest at 5 to 10 mph. Tomorrow night will be mostly clear, with lows around 83 and temperatures rising to 85 overnight. Heat indices may reach 104, with south winds around 10 mph.

Additional Alerts and Safety Reminders

In addition to the Extreme Heat Warning, there is an Active NWS alert: Heat Advisory (severity Moderate). This advisory highlights continued elevated heat levels that require caution. An Active NWS alert: Air Quality Alert (severity Unknown) is also in effect, indicating potential concerns with air quality during this period.

Given the severe heat warning and high temperatures, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially those who are elderly or vulnerable. Avoid prolonged exposure to the sun and seek air-conditioned environments when possible. The combination of high heat indices and potential air quality issues makes this a particularly challenging period for outdoor activities.

Residents should monitor local news and weather updates for any changes in alert status or conditions. The Extreme Heat Warning remains the primary concern, with temperatures expected to remain dangerously high through tomorrow evening.

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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