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5-day forecast / Richardson, TX

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

Heat Advisory in Effect for Richardson as Feels-Like Temp Hits 106F - Jul 22, 8 PM

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

A Heat Advisory is active for Richardson, TX, with dangerous heat index values reaching 110 tonight. Current conditions show a feels-like temperature of 106F under clear skies.

Reese Janssen

July 23, 20262 min read

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

*As of Jul 22, 8 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently in effect for Richardson, Texas, signaling dangerous heat conditions for the area. The National Weather Service has issued this moderate-severity alert due to high heat index values that pose significant risks to public health. As of this evening, the air temperature stands at 99F, but the combination of heat and humidity makes it feel like 106F.

The relative humidity is at 40%, with a dew point of 70F, indicating substantial moisture in the air that hinders the body's ability to cool itself. Winds are blowing at 14 mph with gusts reaching 22 mph, while the sky remains clear.

Forecast for Tonight and Tomorrow

Tonight, conditions will remain mostly clear with a low near 79F. However, temperatures are expected to rise to around 81F overnight, keeping the heat index values as high as 110. Winds will shift to the east northeast at 5 to 10 mph.

Tomorrow, the area will see sunny skies with a high near 99F. The heat index is forecast to reach as high as 107F. Winds will increase slightly to the east northeast at 10 to 15 mph, with gusts as high as 25 mph.

The chance of precipitation is minimal, at just 1%.

Safety Reminders

Given the active Heat Advisory and the dangerous heat index values, residents are urged to take precautions. It is critical to stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the hottest parts of the day, and check on neighbors or elderly relatives who may be vulnerable to heat-related illnesses.

If you must be outside, seek shade or air-conditioned spaces frequently. Be aware of the signs of heat exhaustion and heat stroke, and seek medical attention immediately if symptoms appear. Do not leave children or pets in parked vehicles, as temperatures inside can rise rapidly to lethal levels.

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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