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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 Temperatures Climb Near 100 - Jul 9, 8 AM

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

Richardson faces intense heat today with highs near 100F and a feels-like temperature of 87F currently. Humidity is high, creating dangerous heat index values.

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, 8 AM local time.*

Current Conditions and Heat Index

It is currently Thursday this morning in Richardson, TX, where the air temperature stands at 82F. However, the combination of heat and moisture makes it feel significantly warmer, with a feels-like temperature of 87F. The relative humidity is at 70%, and the dew point is recorded at 72F, indicating quite humid conditions that trap heat close to the ground.

The sky remains clear, and winds are blowing from the south southwest at 10 mph, with gusts reaching up to 21 mph.

Forecast for Today and Tomorrow

Today will be sunny with a high near 100F. The National Weather Service indicates that heat index values will climb as high as 103 during the day. Winds will remain around 10 mph with gusts as high as 20 mph. There is a 0% chance of precipitation, so residents should expect dry and intensely hot conditions. Temperatures will drop to a low near 80F tonight.

Tonight, the sky will be mostly clear. The low will settle around 80, though temperatures may rise to around 82 overnight. The heat index will remain elevated, reaching as high as 101. South winds will continue at around 10 mph, with gusts up to 20 mph.

Tomorrow, the sun will return with a high near 99F. Heat index values are expected to peak at 101. Winds will shift slightly, coming from the south at 10 to 15 mph. The chance of precipitation is minimal at 1%, keeping conditions dry. Temperatures will fall to a low near 80 tomorrow night, with the heat index reaching 102.

Safety Reminder

With heat index values exceeding 100, the risk of heat-related illness is significant. It is crucial to stay hydrated by drinking water frequently, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors and those without air conditioning to ensure their safety. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the extreme heat.

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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