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5-day forecast / Richardson, TX

SaturdaySunny105° / 84° 4%
SundayMostly Sunny107° / 86° 6%
MondaySunny108° / 84° 3%
TuesdaySunny107° / 84° 4%
WednesdaySlight Chance Rain Showers then Slight Chance Showers And Thunderstorms104° / 80° 15%

Richardson Faces Extreme Heat Warning and Air Quality Alert - Aug 22, 2 PM

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

An Extreme Heat Warning and Air Quality Alert are active for Richardson, TX. Temperatures reach 105F today with heat indices up to 107F.

Reese Janssen

August 22, 20262 min read

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

*As of Aug 22, 2 PM local time.*

Dangerous Heat and Air Quality Concerns

Richardson, Texas, is currently under the influence of severe weather alerts that demand immediate attention from residents. An Extreme Heat Warning, classified as severe in urgency, is in effect until this evening. Simultaneously, an Air Quality Alert has been issued for the area. These warnings highlight a hazardous combination of extreme temperatures and poor air conditions that pose significant health risks to the community.

Current conditions reflect the intensity of the heat wave. The air temperature stands at 100F, but the heat index makes it feel like 101F. Relative humidity is low at 27%, with a dew point of 61F. Winds are currently calm at 0 mph, though gusts may reach 10 mph. The sky remains clear overhead.

Forecast for Today and Tomorrow

Today will be sunny with a high near 105F. The National Weather Service notes heat index values as high as 107 during the day. South southeast winds will hover around 5 mph.

There is only a 4% chance of precipitation. Tonight, skies will turn partly cloudy with a low around 84F. A slight chance of showers and thunderstorms exists between 10pm and 4am, though new rainfall amounts are expected to be less than a tenth of an inch.

Heat index values will remain high at 106.

Tomorrow brings even more intense heat. Expect mostly sunny skies with a high near 107F. The heat index is forecast to reach as high as 109.

South southwest winds will increase to 5 to 10 mph. Overnight, temperatures will settle around 86F, rising slightly to 88 later in the night. Heat indices will continue to hit 109, with south southwest winds around 10 mph and gusts up to 20 mph.

Safety Reminders

Given the severity of the Extreme Heat Warning, residents must prioritize safety. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. The concurrent Air Quality Alert suggests that air quality may be unhealthy for sensitive groups; consider limiting prolonged outdoor activity. Check on neighbors and vulnerable individuals who may not have access to cooling. Do not leave people or pets in parked vehicles.

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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