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5-day forecast / Richardson, TX

TuesdaySunny101° / 81°
WednesdaySunny102° / 82°
ThursdayMostly Sunny102° / 83°
FridaySunny103° / 83° 4%
SaturdaySunny101° / 78° 9%

Extreme Heat Warning in Effect for Richardson as Temperatures Soar - Jul 21, 12 PM

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

An Extreme Heat Warning is active for Richardson, TX, with heat index values reaching 111 today. Residents are urged to take precautions against severe heat.

Reese Janssen

July 21, 20262 min read

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

*As of Jul 21, 12 PM local time.*

Severe Heat Alert Active

An Extreme Heat Warning is currently in effect for Richardson, Texas, signaling dangerous conditions that require immediate attention. The National Weather Service has issued this severe alert due to the potential for life-threatening heat stress. The warning remains active until the evening hours, emphasizing the critical need for caution during the peak heat of the day.

Current Conditions and Forecast

Right now, the air temperature in Richardson stands at 95F, with a feels-like temperature of 96F. The relative humidity is at 34%, and the dew point is 63F. Winds are light, blowing at 6 mph with gusts reaching 7 mph, under a clear sky.

Today, the high will reach near 104F. The National Weather Service reports heat index values as high as 111. Skies will remain sunny with south southwest winds around 5 mph. The chance of precipitation is just 1%.

Tonight, conditions will ease slightly but remain warm. The low will drop to around 84F, though temperatures may rise to around 86 overnight. Heat index values will still climb as high as 109. Winds will shift to the south, ranging from 0 to 5 mph, with mostly clear skies.

Tomorrow, the heat will persist. The high will be near 103F, with heat index values again reaching 111. Skies will be sunny, and winds will shift to the north northeast at 5 to 10 mph. The chance of precipitation is 0%.

Safety Reminders

Given the severity of the Extreme Heat Warning, it is vital to stay cool and hydrated. Limit outdoor exertion, especially during the midday hours when temperatures are highest. Check on neighbors and vulnerable individuals who may not have access to air conditioning.

If you must be outside, seek shade frequently and wear lightweight, light-colored clothing. Remember that heat index values can make it feel significantly hotter than the actual air temperature, increasing the risk of 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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Reese Janssen

Reese Janssen covers weather, storms, and seasonal life around Richardson.

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