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5-day forecast / Richardson, TX

TuesdaySunny104° / 82° 1%
WednesdaySunny104° / 82°
ThursdaySunny104° / 82° 1%
FridaySunny104° / 81° 4%
SaturdaySunny104° / 81° 6%

Extreme Heat Warning in Effect for Richardson as Temperatures Soar - Aug 18, 11 AM

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

An Extreme Heat Warning and Heat Advisory are active for Richardson, TX. Current temperatures feel like 91F with a high near 106F expected today.

Reese Janssen

August 18, 20262 min read

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

*As of Aug 18, 11 AM local time.*

Dangerous Heat Conditions Underway

Richardson, TX is currently under the influence of severe heat conditions. An Extreme Heat Warning (severity Severe) and a Heat Advisory (severity Moderate) are active for the area. The National Weather Service in Fort Worth issued these alerts to highlight the significant risk associated with the current weather pattern.

Current conditions show an air temperature of 90F, with a feels-like temperature of 91F. Relative humidity is at 43%, and the dew point sits at 64F. Winds are light from the south southwest at 3 mph, with gusts reaching up to 12 mph. The sky remains clear as of this morning.

Forecast for Today and Tomorrow

Today, Richardson will experience sunny skies with a high near 106F. The low is expected to be around 83F later in the evening. There is only a 1% chance of precipitation. Heat index values are forecast to reach as high as 106 during the day. South southwest winds will increase to 5 to 10 mph.

Tonight, skies will become mostly clear. Temperatures will drop to a low around 83F, though they may rise to approximately 86F overnight. The heat index could remain as high as 105. South winds will persist at around 10 mph.

Tomorrow, the hot weather continues with sunny skies and a high near 105F. The low is again expected to be near 83F. Precipitation chances remain minimal at 1%. Heat index values are projected to climb as high as 107. South southwest winds will continue around 10 mph.

Safety Reminders

Given the Extreme Heat Warning and the potential for heat index values exceeding 105F, residents are urged to take extreme caution. 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 or those without air conditioning to ensure their safety. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage body temperature.

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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