Back to Weather

5-day forecast / Richardson, TX

ThursdaySlight Chance Showers And Thunderstorms100° / 79° 29%
FridayChance Showers And Thunderstorms98° / 80° 27%
SaturdaySunny101° / 79° 3%
SundaySunny100° / 79° 2%
MondaySunny100° / 79° 1%

Richardson Heat Index Hits 104 Today With Late Storm Chance - Sep 10, 2 PM

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

Temperatures soar to 100F with a heat index near 104 in Richardson. A slight chance of showers and thunderstorms develops after 4pm today.

Reese Janssen

September 10, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 10, 2 PM local time.*

Scorching Afternoon Ahead

Richardson is bracing for intense heat this afternoon, with the air temperature currently at 93F and a feels-like reading of 99F. The relative humidity sits at 47%, while the dew point remains at 70F, creating a muggy atmosphere despite the clear skies. Winds are light from the south southeast at around 5 mph, with gusts reaching up to 7 mph.

Today will be particularly sweltering, with a high near 100F. The National Weather Service indicates heat index values could climb as high as 104 during the peak afternoon hours. While the sky remains mostly sunny for much of the day, there is a slight chance of showers and thunderstorms developing after 4pm.

The overall chance of precipitation for today is listed at 20%, with temperatures expected to drop to a low near 79F overnight.

Overnight and Tomorrow Outlook

As evening approaches, conditions will shift slightly. Tonight brings a chance of showers and thunderstorms under partly cloudy skies. Temperatures will settle around a low of 79F but may rise to approximately 81F during the night.

The heat index is expected to remain elevated at values as high as 101. Winds will continue from the east southeast at about 5 mph. Residents might see new rainfall amounts between a tenth and a quarter of an inch.

Tomorrow remains hot and humid, with a high near 98F and mostly sunny skies. The heat index could reach 103 as winds increase to 5 to 10 mph from the south. There is a chance of showers and thunderstorms throughout the day, with a precipitation probability of 40%. New rainfall amounts between a tenth and a quarter of an inch are possible.

Safety Reminders

Given the extreme heat and high humidity, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors or those without air conditioning, as the heat index poses significant health risks. While there are no active weather alerts in effect, the combination of high temperatures and potential storms requires vigilance.

Keep emergency supplies ready and monitor local updates for any changes in conditions.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Reese Janssen

Reese Janssen covers weather, storms, and seasonal life around Richardson.

Related Stories

More in Sport