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5-day forecast / Richardson, TX

FridaySunny100° / 77°
SaturdaySunny99° / 78°
SundayMostly Sunny100° / 77° 7%
MondayChance Rain Showers then Slight Chance Showers And Thunderstorms95° / 75° 44%
TuesdayMostly Sunny94° / 73° 12%

Air Quality Alert and Heat Wave Continue in Richardson - Sep 18, 2 PM

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

Richardson residents face an active Air Quality Alert alongside dangerously hot temperatures, with highs near 100F and heat indices reaching 102F today.

Reese Janssen

September 18, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 18, 2 PM local time.*

Current Conditions and Alerts

An Air Quality Alert is currently in effect for Richardson, TX, adding a layer of concern to the already intense heat gripping the area. The National Weather Service has issued this alert, urging caution as air quality conditions deteriorate alongside rising temperatures.

Right now, the air temperature stands at 95F, with a feels-like reading of 95F. Relative humidity is at 32%, and the dew point is recorded at 61F. Winds are blowing from the south at 10 mph, with gusts reaching up to 16 mph. The sky remains partly cloudy as this afternoon progresses.

Forecast for Today and Tomorrow

Today will be sunny with a high near 100F. According to the National Weather Service, temperatures may fall slightly to around 98F in the afternoon. Heat index values are expected to reach as high as 102F. Winds will shift to a south direction at 0 to 5 mph. There is no chance of precipitation today.

Tonight, skies will clear out with a low near 77F. Temperatures may rise slightly to around 79F overnight. Heat index values could still reach 99F. South southeast winds will pick up to 5 to 10 mph.

Tomorrow remains sunny with a high near 99F. The heat index is forecast to climb back up to 102F. South winds will continue at 5 to 10 mph. Tomorrow night will be mostly clear with a low around 78F and heat index values up to 99F, with south winds around 10 mph.

Safety Reminders

Given the active Air Quality Alert and extreme heat, residents are advised to limit outdoor exertion during peak hours. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Check on elderly neighbors or those with respiratory conditions who may be more vulnerable to poor air quality and high temperatures.

Keep windows closed during the day to help maintain indoor air quality and coolness.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Reese Janssen

Reese Janssen covers weather, storms, and seasonal life around Richardson.

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