Back to Weather

5-day forecast / Richardson, TX

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

Heat and Humidity Dominate Richardson as Storms Loom - Jun 21, 8 PM

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

Richardson residents face a stifling evening with temperatures near 92F and high humidity. Showers and thunderstorms are likely tonight and tomorrow, with heat indices reaching 99F.

Reese Janssen

June 22, 20262 min read

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

As of Jun 21, 8 PM local time.

Current Conditions and Heat Index

Richardson is experiencing a notably hot and humid evening as of this Sunday. The air temperature currently sits at 91F, but the combination of heat and moisture pushes the feels-like temperature to a sweltering 97F. Relative humidity is at 49%, with a dew point of 70F indicating significant moisture in the air.

Winds are blowing from the south at 9 mph, with gusts reaching up to 22 mph. The sky remains mostly clear at this hour, but that is set to change rapidly.

Storms and Temperatures Ahead

Today, the high is expected to reach near 92F before dropping to a low near 75F. There is a 58% chance of precipitation, with conditions shifting from mostly cloudy to likely showers and thunderstorms.

Tonight, the risk of rain increases. Showers and thunderstorms are likely after 4am. Temperatures will settle around a low of 75F, but the heat index will climb as high as 98F. Winds will pick up slightly, coming from the south at 10 to 15 mph with gusts as high as 25 mph. The chance of precipitation is 60%.

Tomorrow brings similar conditions with a high near 92F. Showers and thunderstorms are likely before 7am, followed by a chance of showers and thunderstorms between 7am and 4pm. The heat index may reach 99F.

Winds will continue from the south southeast at 10 to 15 mph, with gusts up to 25 mph. New rainfall amounts less than a tenth of an inch are possible. Tomorrow night, there is a slight chance of showers and thunderstorms between 10pm and 1am.

The sky will become partly cloudy with a low around 77F and a heat index up to 98F.

Safety Reminders

Given the high heat index values approaching 99F, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. The approaching storms bring the risk of gusty winds, so securing loose outdoor items is advisable. While there are no active weather alerts, residents should remain aware of changing conditions as thunderstorms develop.

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