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5-day forecast / Richardson, TX

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

Heat Advisory in Effect for Richardson as Temperatures Climb Near 102 - Jul 27, 8 AM

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

A Heat Advisory is active for Richardson, TX, with temperatures reaching near 102F and heat indices up to 107F. Residents are urged to stay cool and hydrated during this moderate-severity event.

Reese Janssen

July 27, 20262 min read

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

*As of Jul 27, 8 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Richardson, Texas, signaling dangerous heat levels that require caution. The National Weather Service has issued this moderate-severity alert, which remains active until the evening of July 27. As of this morning, the air temperature stands at 82F, with a feels-like temperature of 85F.

The relative humidity is at 62%, and the dew point is recorded at 68F. Winds are currently light at 5 mph, though gusts have reached up to 20 mph. The sky remains clear, setting the stage for intense heating throughout the day.

Forecast for Today and Tomorrow

Today will be sunny with a high near 102F. The heat index values are expected to reach as high as 107F, making it feel significantly hotter than the actual air temperature. South southwest winds will blow between 5 to 10 mph.

There is a 0% chance of precipitation, ensuring clear skies continue to drive temperatures upward. The low tonight will be near 81F, with skies becoming mostly clear. Temperatures will rise to around 83F overnight, with heat index values peaking at 105F.

South southwest winds will increase slightly to around 10 mph.

Tomorrow mirrors today’s intensity, with sunny skies and a high near 102F. Heat index values will reach 105F, accompanied by south southwest winds of 5 to 10 mph. Again, there is no chance of rain. The low tomorrow night will be around 82F, with temperatures rising to approximately 84F overnight. Heat index values will climb to 104F, with south winds at 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and extreme heat indices, it is critical to prioritize safety. 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.

Seek air-conditioned environments as much as possible. Check on elderly neighbors or those without reliable cooling to ensure their well-being. If you must be outside, wear lightweight, light-colored clothing and apply sunscreen to protect your skin from intense UV exposure.

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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