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5-day forecast / Richardson, TX

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

Richardson Heat Index Hits 104 as Temperatures Climb Near 100F - Jul 9, 4 PM

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

Richardson residents face intense heat today with a high near 100F and heat index values reaching 104F. Clear skies and south winds will keep conditions dry but dangerously hot through tomorrow.

Reese Janssen

July 9, 20262 min read

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

*As of Jul 9, 4 PM local time.*

Intense Heat Dominates Richardson Weather

Richardson is currently experiencing very hot conditions this afternoon, with the air temperature sitting at 99F and a feels-like temperature of 99F. The relative humidity is at 34%, with a dew point of 66F. Winds are blowing from the south at 10 mph, with gusts reaching 14 mph, under a clear sky.

Today, the high will reach near 100F. The National Weather Service indicates that heat index values will climb as high as 104F. Skies will remain sunny with a 0% chance of precipitation. Winds will continue from the south around 10 mph, with gusts as high as 20 mph. Temperatures will drop to a low near 81F tonight.

Forecast for Tonight and Tomorrow

Tonight, conditions will remain clear with a low around 81F. Heat index values are expected to stay as high as 101F. Winds will shift to the south southwest at 10 to 15 mph, with gusts reaching up to 25 mph.

Tomorrow, the high will be near 99F, with heat index values peaking at 102F. The sky will stay sunny, and there is no chance of rain. Winds will persist from the south southwest at 10 to 15 mph, with gusts as high as 25 mph. Tomorrow night will be mostly clear with a low around 81F and heat index values up to 101F.

There are no active National Weather Service or NOAA weather alerts in effect for Richardson at this time. However, the persistent heat requires caution. Residents should hydrate frequently and limit midday exertion to avoid heat-related illness.

Check on elderly neighbors and ensure pets have access to cool, shaded areas. The combination of high temperatures and wind gusts can increase the risk of dehydration and heat stress, so staying indoors during the peak heat hours is advisable.

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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