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5-day forecast / Richardson, TX

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

Oppressive Humidity Grips Richardson as Heat Index Climbs - Jul 11, 8 AM

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

Richardson faces oppressive humidity with a dew point of 79F and a heat index near 104F today. Sunny skies give way to scattered storms tomorrow.

Reese Janssen

July 11, 20262 min read

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

*As of Jul 11, 8 AM local time.*

Oppressive Humidity and Heat

Residents in Richardson are currently enduring oppressively humid conditions this Saturday morning. The air temperature stands at 81F, but the heat index makes it feel like 88F. Relative humidity is sitting at a stifling 94%, with a dew point of 79F contributing to the heavy, muggy atmosphere. Winds are light at 6 mph with gusts reaching 16 mph, while the sky remains clear.

Today is expected to be sunny with a high near 98F. The National Weather Service indicates heat index values will climb as high as 104F. South southwest winds will blow between 5 to 10 mph.

The chance of precipitation is minimal at just 1%. Temperatures will drop to a low near 80F tonight under mostly clear skies. The heat index will remain elevated, reaching up to 102F, with south winds continuing at 5 to 10 mph.

Storms Possible Tomorrow

Looking ahead to tomorrow, conditions will shift slightly. The high will be near 95F, but humidity will persist with heat index values as high as 104F. The sky will start sunny, but a chance of showers and thunderstorms is expected after 1pm.

Winds will decrease to around 5 mph from the south southwest. The chance of precipitation is listed at 37% in the general forecast, while the official NWS data suggests a 40% chance with less than a tenth of an inch of new rainfall possible.

Tomorrow night will bring a chance of showers and thunderstorms before 7pm, followed by likely showers and thunderstorms. Skies will be mostly cloudy with a low around 76F, though temperatures may rise to around 78F overnight. The heat index will reach 101F with southeast winds around 5 mph.

The chance of precipitation increases to 60%, with less than a tenth of an inch of rain possible.

Safety Reminders

With heat index values consistently above 100F, it is crucial to stay hydrated and limit midday exertion. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. Check on elderly neighbors and those without reliable cooling to ensure their safety during these intense heat and humidity 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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