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5-day forecast / Richardson, TX

SaturdaySlight Chance Showers And Thunderstorms99° / 79° 18%
SundaySunny100° / 80°
MondaySunny100° / 80° 2%
TuesdaySunny100° / 80°
WednesdaySunny101° / 80°

Richardson Heat Continues: Highs Near 99F Today With Slight Storm Chance - Aug 8, 1 PM

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

Richardson, TX residents face another day of intense heat this Saturday afternoon with temperatures near 99F. A slight chance of showers and thunderstorms exists before 7pm tonight, but conditions clear tomorrow.

Reese Janssen

August 8, 20262 min read

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

*As of Aug 8, 1 PM local time.*

Current Conditions and Heat Index

It is currently Saturday afternoon in Richardson, Texas, and the heat is already palpable. The air temperature stands at 95F, with a heat index making it feel just as hot at 95F. The sky remains clear overhead, offering no relief from the sun.

Relative humidity is at 39%, with a dew point of 69F. Winds are light, blowing from the south at 3 mph with gusts reaching up to 7 mph.

Today and Tonight Forecast

Temperatures are expected to climb to a high near 99F today. The National Weather Service indicates heat index values could reach as high as 101F during the peak heat of the day. There is a slight chance of showers and thunderstorms, with a 20% chance of precipitation. These storms, if they develop, are likely to occur before 7pm.

As evening approaches, skies will transition to partly cloudy. The low will settle near 79F, though temperatures may rise slightly to around 81F overnight. The heat index will remain elevated, potentially hitting 99F. Winds will shift to south southeast, maintaining speeds between 5 to 10 mph. The chance of precipitation remains at 20% for this period.

Tomorrow Outlook

Conditions will improve significantly by tomorrow. The sky will be sunny with a high near 98F. Heat index values are forecast to reach 101F again, so the oppressive heat will persist despite the clear skies.

Winds will remain from the south at 5 to 10 mph. There is a 0% chance of precipitation, meaning no rain is expected. Temperatures will drop to a low near 80F tomorrow night, with clear skies and south winds around 10 mph.

Heat index values may still reach 99F.

Safety Reminder

With temperatures and heat indices consistently in the upper 90s and low 100s, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on elderly neighbors and ensure pets have access to cool, shaded areas. If you must be outside, seek air-conditioned spaces frequently to avoid heat-related illnesses.

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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