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5-day forecast / Richardson, TX

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

Extreme Heat Warning and Air Quality Alert in Effect for Richardson - Jul 21, 4 PM

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

Richardson residents face dangerous heat with an Extreme Heat Warning and Air Quality Alert active. Current temperatures reach 104F with a heat index of 106F.

Reese Janssen

July 21, 20262 min read

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

*As of Jul 21, 4 PM local time.*

Dangerous Heat and Air Quality Concerns

Richardson is currently under the influence of severe weather conditions, marked by an active Extreme Heat Warning and an Air Quality Alert. The heat is intense right now, with the air temperature at 104F and a feels-like temperature of 106F. Relative humidity sits at 25%, with a dew point of 61F.

Winds are light, blowing at 6 mph with gusts reaching 9 mph, under a clear sky.

The National Weather Service has issued an Extreme Heat Warning, which remains in effect until July 22 at 8:00PM CDT. This alert highlights the severe nature of the current heat event. Additionally, an Air Quality Alert was issued on July 21 at 2:42PM CDT, indicating potential concerns with air quality levels during this period.

Residents should be aware that these alerts are active and may impact outdoor activities and health.

Forecast for Today and Tomorrow

Today, the sun will remain out with a high near 104F. The heat index is expected to climb as high as 112. Winds will be from the north northeast around 5 mph. There is no chance of precipitation today.

Tonight, skies will clear with a low around 84F. Temperatures may rise slightly to around 86F overnight. The heat index will remain high, reaching up to 110. Winds will shift to the south southeast at 0 to 5 mph.

Tomorrow, conditions will stay sunny with a high near 102F. The heat index could reach 111. Winds will pick up slightly from the north northeast at 5 to 10 mph. The chance of precipitation is minimal at 2%.

Safety Reminders

Given the Extreme Heat Warning, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly or those without air conditioning. The Air Quality Alert suggests monitoring local air quality reports and reducing prolonged outdoor efforts if possible. Please stay safe and heed all official warnings.

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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