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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 102F - Jul 26, 4 AM

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

A Heat Advisory is active for Richardson, TX, with highs near 102F and heat index values up to 109F. Residents are urged to stay cool and hydrated during this moderate-severity event.

Reese Janssen

July 26, 20262 min read

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

*As of Jul 26, 4 AM local time.*

Current Conditions and Alert Status

Richardson, TX, is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert is in effect until the evening of July 26. The advisory highlights the dangerous heat conditions impacting the area, with current temperatures already reflecting the intensity of the event.

At this time, the air temperature is 86F, but the combination of heat and humidity makes it feel like 89F. The relative humidity stands at 55%, with a dew point of 68F. Winds are blowing from the south southwest at 10 mph, with gusts reaching up to 17 mph, while the sky remains clear.

Forecast for Today and Tomorrow

The heat will persist through the weekend. Today is expected to be sunny with a high near 102F. The National Weather Service indicates that heat index values could climb as high as 108F during the day.

Overnight tonight, conditions will remain mostly clear. Temperatures will drop to a low around 81F, though they may rise slightly to around 83F later in the night. Winds will continue from the south southwest at around 10 mph.

The heat index is forecast to reach up to 105F during this overnight period.

Tomorrow will mirror today’s intensity. Expect another sunny day with a high near 102F. The heat index is projected to peak at 109F, making it feel significantly hotter than the actual air temperature.

Winds will remain steady from the south southwest at around 10 mph. As tomorrow night approaches, skies will clear, leading to a low around 82F. Temperatures may rise to around 84F overnight, with south winds continuing at 10 mph.

There is a 0% chance of precipitation for both today and tomorrow.

Safety Reminders

With heat index values approaching 110F, it is critical to take precautions against heat-related illness. Stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

If you must be outside, seek air-conditioned spaces as often as possible. Check on neighbors, particularly the elderly and those without air conditioning, to ensure their safety. Wear lightweight, light-colored clothing and apply sunscreen if you are exposed to the sun for extended periods.

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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