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5-day forecast / Richardson, TX

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

Heat Index Hits 103 in Richardson as Humidity Lingers - Jun 22, 4 PM

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

Richardson residents face a heat index near 103 today with high humidity. A slight chance of showers and thunderstorms exists for tonight and tomorrow.

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 22, 4 PM local time.

Current Conditions and Heat Stress

It is currently Monday this afternoon in Richardson, TX, where the air temperature stands at 93F. Due to the humidity, the feels-like temperature is 99F. The relative humidity is at 47%, with a dew point of 70F, indicating quite humid conditions. Winds are blowing from the south at 13 mph, with gusts reaching 22 mph. The sky remains mostly clear at this moment.

Today and Tonight Forecast

Today, the high will be near 92F, with a low near 78F. There is a 16% chance of precipitation, bringing a slight chance of showers and thunderstorms. The National Weather Service indicates heat index values as high as 103. Winds will be south around 10 mph, with gusts as high as 20 mph. The chance of precipitation is listed at 20%.

Tonight, conditions will shift to partly cloudy skies with a low around 78. The heat index may reach 102. Winds will be south southeast around 10 mph.

There is a slight chance of showers and thunderstorms before 10pm, followed by a chance of showers and thunderstorms between 10pm and 4am. The chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch are possible.

Tomorrow Outlook

Tomorrow, the high will be near 95F, with a low near 79F. There is a 19% chance of precipitation, with a slight chance of showers and thunderstorms then mostly sunny skies. The National Weather Service forecasts a slight chance of showers and thunderstorms between 7am and 10am.

Heat index values will be as high as 102. Winds will be south around 10 mph. The chance of precipitation is 20%.

New rainfall amounts between a tenth and quarter of an inch are possible.

Tomorrow night, skies will be mostly clear with a low around 79. The heat index will be as high as 100. Winds will remain south around 10 mph.

Safety Reminder

With heat index values reaching 103 today, it is crucial to stay hydrated and limit midday exertion. Check on neighbors and pets to ensure they remain cool. There are no active NWS/NOAA weather alerts at this time.

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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