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5-day forecast / Richardson, TX

ThursdaySunny101° / 82° 3%
FridaySunny103° / 83° 1%
SaturdayMostly Sunny99° / 77° 11%
SundaySunny95° / 76° 1%
MondaySunny98° / 78° 1%

Heat Advisory in Effect for Richardson as Temperatures Climb Near 103 - Jul 30, 4 AM

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

A Heat Advisory is active for Richardson, TX, with current feels-like temperatures at 92F. Today brings a high near 101F and tomorrow near 103F, with heat index values reaching up to 110F.

Reese Janssen

July 30, 20262 min read

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

*As of Jul 30, 4 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Richardson, Texas, signaling dangerous heat levels for the region. The National Weather Service has issued this moderate-severity alert due to expected high temperatures and humidity. As of this Thursday overnight, the air temperature stands at 86F, but the combination of heat and moisture makes it feel like 92F.

The relative humidity is at 62%, with a dew point of 72F, indicating significant moisture in the air. Winds are blowing from the south at 8 mph, with gusts reaching 13 mph, while the sky remains clear.

Forecast for Today and Tomorrow

Today, Richardson will experience sunny skies with a high near 101F. The heat index is expected to reach as high as 108F, making it feel even hotter than the actual air temperature. South southwest winds will range from 5 to 10 mph.

The chance of precipitation is minimal at 3%. Overnight, conditions will remain mostly clear. Temperatures will drop to a low around 81F initially, but will rise to around 83F by the early morning hours.

South winds will lighten to around 5 mph.

Tomorrow, the heat will intensify further. Sunny skies will persist with a high near 103F. The heat index is projected to climb to 110F, creating hazardous conditions for prolonged outdoor exposure.

Southwest winds will increase slightly to around 10 mph. The chance of rain is negligible at 1%. Overnight into the early hours of the following day, skies will become partly cloudy.

Lows will settle around 83F, rising to approximately 85F before sunrise. Southwest winds will continue around 10 mph.

Safety Reminders

Given the active Heat Advisory and extreme heat index values, residents are urged to take precautions. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday and afternoon hours when the sun is strongest.

Check on elderly neighbors and relatives who may be vulnerable to heat-related illnesses. If you must be outside, seek air-conditioned spaces as often as possible and wear lightweight, light-colored clothing.

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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