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5-day forecast / Richardson, TX

WednesdayMostly Sunny104° / 82°
ThursdaySunny105° / 82° 12%
FridayMostly Sunny105° / 82° 5%
SaturdaySunny105° / 81° 5%
SundaySunny105° / 82° 3%

Extreme Heat Warning in Effect for Richardson as Temperatures Soar - Aug 19, 2 PM

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

An Extreme Heat Warning is active for Richardson, TX, with air temperatures reaching 100F and heat index values climbing to 107F through tomorrow. Residents are urged to take extreme caution.

Reese Janssen

August 19, 20262 min read

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

*As of Aug 19, 2 PM local time.*

Dangerous Heat Conditions Underway

Richardson, TX, is currently under an Active NWS alert: Extreme Heat Warning (severity Severe). This warning remains in effect until August 20 at 8:00PM CDT. The danger is immediate and significant.

Right now, the air temperature stands at 100F, with a feels-like temperature of 101F. Relative humidity is at 26%, with a dew point of 59F. Winds are blowing from the south southwest at 5 mph, with gusts reaching up to 13 mph.

The sky remains clear overhead.

The National Weather Service has issued this warning due to the severe heat index values expected. Today, conditions will be mostly sunny with a high near 104F. Heat index values are forecast to reach as high as 107F.

South southwest winds will persist around 10 mph. Overnight, skies will clear to mostly clear, with a low near 82F. Temperatures may rise slightly to around 84F during the night.

The heat index will remain elevated at values as high as 105F.

Outlook for Tomorrow

Tomorrow, the intense heat continues. Expect sunny skies with a high near 105F. Heat index values are projected to hit 107F again.

Winds will shift to the southwest at 5 to 10 mph. There is a slight chance of precipitation at 12%, though no rain is currently indicated for the daytime hours. Tomorrow night, skies will become mostly clear with a low around 82F.

Temperatures may rise to around 84F overnight. The heat index will stay high at values as high as 106F, with south winds around 5 mph.

Safety Reminders

Given the severity of this warning, extreme caution is vital. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on elderly neighbors or those without air conditioning. Never leave people or pets in parked vehicles. The combination of high temperatures and humidity creates a dangerous environment that requires respect and preparation.

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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