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5-day forecast / Richardson, TX

TuesdaySunny99° / 80° 1%
WednesdaySunny100° / 81°
ThursdaySunny100° / 80°
FridaySunny99° / 81°
SaturdaySunny101° / 81°

Heat Advisory in Effect for Richardson as Temperatures Climb Near 100 - Aug 11, 8 AM

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

A Heat Advisory is active for Richardson, TX, with highs near 99F and oppressive humidity. Residents are urged to stay cool and hydrated during the peak heat.

Reese Janssen

August 11, 20262 min read

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

*As of Aug 11, 8 AM local time.*

Current Conditions and Alert Status

Richardson, TX, is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert, expected to remain in effect, highlights the dangerous combination of high temperatures and humidity that will persist through the afternoon. The advisory underscores the need for caution as the region experiences oppressive heat conditions.

Right now, the air temperature stands at 79F, though the combination of heat and moisture makes it feel like 82F. The relative humidity is notably high at 89%, with a dew point of 75F, creating a muggy atmosphere. Winds are blowing from the south southwest at 9 mph, with gusts reaching up to 20 mph.

The sky is currently mainly clear, offering no relief from the sun's intensity.

Forecast for Today and Tomorrow

Today, the sun will remain out with a high near 99F. The heat index is expected to climb as high as 104, making it feel significantly hotter than the actual air temperature. South southwest winds will continue around 10 mph, with gusts as high as 20 mph. The chance of precipitation is minimal at just 1%, so residents should not expect any relief from rain.

Tonight, skies will remain mostly clear with a low around 80F. However, temperatures will rise to around 82F overnight, keeping the heat index as high as 103. South winds will persist at around 10 mph, with gusts up to 20 mph. This lack of cooling overnight means the heat will linger, offering little respite for those outside.

Tomorrow, conditions will remain sunny with a high near 100F. The heat index will again reach as high as 104. Winds will shift slightly, becoming south at 10 to 15 mph, with gusts as high as 25 mph.

The chance of precipitation drops to 0%. Tomorrow night will be clear with a low around 81F, and the heat index will stay as high as 102. South winds will continue at 10 to 15 mph, with gusts up to 25 mph.

Safety Reminders

Given the active Heat Advisory and oppressive humidity, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on elderly neighbors and those with health conditions who may be more vulnerable to heat-related illnesses. Keep vehicles parked in the shade and never leave people or pets in closed cars.

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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