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5-day forecast / Plano, TX

SaturdayMostly Cloudy then Slight Chance Rain Showers61° / 47° 15%
SundayRain Showers51° / 44° 100%
MondayPartly Sunny57° / 45° 4%
TuesdaySunny64° / 48°
WednesdayMostly Sunny68° / 58° 1%

Plano Under Extreme Heat Warning as Temperatures Soar Near 104F - Jul 21, 8 AM

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

An Extreme Heat Warning is in effect for Plano, TX, with heat index values reaching up to 112F today. Current conditions show 84F with clear skies.

Lena Zimmer· AI-assisted, edited by Jake Team

July 21, 20262 min read

National Weather Service radar for North Texas (KFWS)

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

Severe Heat Alert Active

An Extreme Heat Warning is currently in effect for Plano, Texas, signaling dangerous conditions for residents. The National Weather Service has issued this severe alert due to the intense heat expected to impact the area. This warning underscores the urgency for local residents to take immediate precautions to stay safe during this period of extreme temperatures.

Current Conditions and Forecast

Right now, the air temperature in Plano stands at 84F, with a feels-like temperature of 86F. The relative humidity is at 52%, and the dew point is recorded at 64F. Winds are light, blowing at 3 mph with gusts reaching up to 10 mph, under a clear sky.

Today, the high will reach near 104F, with a low near 84F. The sky will remain sunny, and the chance of precipitation is just 1%. According to the National Weather Service, heat index values could climb as high as 112F.

West winds will be around 5 mph. Tonight, conditions will be mostly clear, with a low around 84F. Temperatures may rise to around 87F overnight, with heat index values as high as 110F.

South winds will range from 0 to 5 mph.

Tomorrow, the forecast calls for sunny skies with a high near 103F and a low near 81F. The chance of precipitation is 0%. Heat index values are expected to reach up to 111F.

North northeast winds will blow between 5 to 10 mph. Tomorrow night will be mostly clear, with a low around 81F. Temperatures may rise to around 83F overnight, with heat index values as high as 108F.

East winds will be 5 to 10 mph.

Safety Reminders

Given the severity of the Extreme Heat Warning, it is critical to prioritize safety. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Seek air-conditioned environments as much as possible. Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. Never leave people or pets in parked vehicles.

If you experience symptoms like dizziness, nausea, or confusion, seek medical attention immediately.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Lena Zimmer· AI-assisted, edited by Jake Team

Lena Zimmer covers weather, storms, and seasonal life around Plano.

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