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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 Temperatures Soar Near 100 - Jul 23, 12 PM

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

A Heat Advisory is active for Richardson, TX, with highs near 99F and heat index values reaching 107F. Residents are urged to take precautions against extreme heat today and tomorrow.

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 23, 12 PM local time.*

Current Conditions and Alert Overview

A Heat Advisory, classified as moderate severity with expected urgency, is currently in effect for Richardson, Texas. This alert was issued by the National Weather Service in Fort Worth and remains active through the evening. The advisory highlights the significant risk of heat-related illness as temperatures climb well above seasonal norms.

As of this Thursday afternoon, the air temperature stands at 82F, with a feels-like temperature of 85F. Relative humidity is at 58%, and the dew point is recorded at 66F. Winds are blowing from the east-northeast at 9 mph, with gusts reaching up to 16 mph. The sky remains clear overhead, offering unobstructed sunlight that contributes to the rising heat.

Forecast for Today and Tomorrow

Today, Richardson will experience sunny skies with a high near 99F. The National Weather Service forecasts heat index values as high as 107, indicating that the combination of heat and humidity will make it feel significantly hotter than the actual air temperature. Winds will shift to the east-northeast at 10 to 15 mph, with gusts potentially reaching 25 mph.

The chance of precipitation remains at 0%.

Tonight, conditions will transition to mostly clear skies. Temperatures will drop to a low near 80F, though they may rise slightly to around 82F overnight. Heat index values will remain elevated, peaking at 104. Winds will shift to the east-southeast at around 10 mph, with gusts up to 25 mph.

Tomorrow, the heat will persist with mostly sunny skies and a high near 98F. Temperatures are expected to fall slightly to around 96F in the afternoon. Heat index values will reach as high as 106. Winds will turn to the south at 10 to 15 mph, with gusts up to 25 mph. The chance of rain remains at 0%.

Safety Reminders

Given the active Heat Advisory and high heat index values, it is crucial to stay hydrated and limit outdoor exertion, especially during the midday hours. Check on elderly neighbors and those without air conditioning. Never leave people or pets in parked vehicles. Seek air-conditioned environments during the peak heat of the day to avoid heat exhaustion or heat stroke.

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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