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5-day forecast / Richardson, TX

ThursdaySunny105° / 82° 12%
FridaySunny then Slight Chance Showers And Thunderstorms105° / 82° 22%
SaturdaySunny105° / 82° 7%
SundaySunny105° / 83° 3%
MondaySunny105° / 82° 4%

Extreme Heat Warning in Effect for Richardson as Temperatures Soar Near 105 Degrees - Aug 20, 6 AM

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

An Extreme Heat Warning is active for Richardson, TX, with highs near 105F and heat index values up to 111F. Current conditions are hot and humid.

Reese Janssen

August 20, 20262 min read

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

*As of Aug 20, 6 AM local time.*

Severe Heat Alert Active

Residents of Richardson, Texas, are under an Extreme Heat Warning issued by the National Weather Service in Fort Worth. This severe alert is in effect until August 20 at 8:00PM CDT. The warning highlights dangerous heat conditions that pose significant risks to health and safety for those exposed to the elements without adequate protection.

Current Conditions and Forecast

It is currently Thursday this morning, and the air temperature stands at 86F. Due to humidity levels, the feels-like temperature is 91F. The relative humidity is at 59%, with a dew point of 70F. Winds are blowing from the south southwest at 8 mph, with gusts reaching up to 17 mph. The sky remains clear.

Today, expect sunny skies with a high near 105F. The low will drop to around 83F overnight. There is only a 12% chance of precipitation today. Overnight, conditions will be mostly clear with temperatures rising slightly to around 85F. Winds will shift to the south southwest at around 10 mph.

Tomorrow brings continued intense heat with sunny skies and a high near 105F. The low will be near 82F. While the morning starts sunny, there is a slight chance of showers and thunderstorms after 1pm.

The chance of precipitation rises to 22% for the day. Heat index values are expected to reach as high as 111F. Winds will be light, around 5 mph from the south southwest.

Safety Reminders

Given the severity of the Extreme Heat Warning and the high heat index values, it is critical to take precautions. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when temperatures peak.

Check on neighbors and vulnerable individuals who may not have access to cooling. If you must be outside, seek shade or air-conditioned spaces frequently to avoid heat-related illnesses.

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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