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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 Climb Near 102F - Jul 26, 12 PM

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 91F. Highs near 102F and heat indices up to 109F are expected through tomorrow.

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, 12 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Richardson, Texas, signaling dangerous heat levels that require caution. As of this Sunday afternoon, the air temperature stands at 90F, with a feels-like temperature of 91F. The relative humidity is at 43%, and the dew point is 64F.

Winds are light, blowing from the south southwest at 5 mph with gusts reaching 8 mph, under a clear sky.

The National Weather Service has issued this advisory with moderate severity and expected urgency. It remains in place until 8:00PM CDT on July 27. Residents should be aware that the combination of high temperatures and humidity will create hazardous heat index values, making prolonged outdoor exposure risky.

Forecast for Today, Tonight, and Tomorrow

Today will be sunny with a high near 102F. The heat index is expected to reach as high as 108F. South southwest winds will increase slightly to 5 to 10 mph. There is a 0% chance of precipitation.

Tonight, skies will become mostly clear. Temperatures will drop to a low around 81F, though they may rise to around 83F during the overnight hours. The heat index could still reach 105F. Winds will shift to around 10 mph from the south southwest.

Tomorrow, conditions will remain sunny with a high near 102F. The heat index is forecast to peak at 109F. South southwest winds will persist around 10 mph. Precipitation chances remain at 0%.

Safety Reminders

Given the active Heat Advisory and extreme heat indices, it is critical to prioritize safety. 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.

Seek air-conditioned environments as much as possible. Check on elderly neighbors or those without adequate cooling, as heat-related illnesses can develop quickly. If you must be outside, wear lightweight, light-colored clothing and apply sunscreen to protect your skin from intense UV exposure.

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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