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5-day forecast / Richardson, TX

SundaySunny104° / 81°
MondaySunny104° / 81° 1%
TuesdaySunny103° / 82°
WednesdaySunny103° / 82°
ThursdaySunny103° / 81° 4%

Heat Advisory in Effect for Richardson as Temperatures Climb Near 104 - Aug 16, 5 PM

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

A Heat Advisory is active for Richardson, TX, with dangerous heat and humidity expected. Current conditions show an air temperature of 100F.

Reese Janssen

August 16, 20262 min read

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

*As of Aug 16, 5 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Richardson, Texas, signaling dangerous heat conditions that require caution. As of this Sunday evening, the air temperature stands at 100F, with a feels-like temperature of 97F due to low humidity levels of 17%. The dew point is recorded at 48F under clear skies.

Winds are light, blowing from the south southwest at 5 to 10 mph during the day and around 5 mph tonight.

The National Weather Service has issued this advisory with moderate severity and expected urgency. While the official alert details specific times, the core message remains that heat indices will reach hazardous levels. Residents should be aware that the heat index values are projected to climb significantly higher than the actual air temperature throughout the period of concern.

Forecast for Today and Tomorrow

Today is expected to remain sunny with a high near 103F and a low near 81F. There is no chance of precipitation, with conditions staying dry and clear. Overnight, temperatures will drop to around 81F but may rise slightly to approximately 83F before morning. The heat index will remain elevated, reaching as high as 101F.

Tomorrow continues the hot trend with sunny skies and a high near 104F. The low is forecast to be near 81F, with only a 1% chance of precipitation. Heat index values are expected to peak at 106F during the day. Winds will shift slightly to the southwest at around 5 mph.

Safety Reminders

Given the active Heat Advisory and extreme heat indices, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly or those without air conditioning. Avoid prolonged exposure to direct sunlight during peak hours. The combination of high temperatures and heat index values creates a risk for heat-related illnesses. Please take necessary precautions to stay safe in these dangerous conditions.

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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