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5-day forecast / Richardson, TX

MondaySunny100° / 80°
TuesdaySunny100° / 80° 1%
WednesdaySunny101° / 80°
ThursdaySunny101° / 79°
FridaySunny101° / 80°

Richardson Heat Index Nears 104 as Temperatures Climb - Aug 10, 4 AM

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

Current conditions in Richardson show a feels-like temperature of 88F with high humidity. Today brings a high near 100F and heat index values up to 104F.

Reese Janssen

August 10, 20262 min read

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

*As of Aug 10, 4 AM local time.*

Current Conditions

Richardson is experiencing a notably hot and humid start to the day. It is currently Monday overnight, and the air temperature stands at 82F. However, the combination of heat and moisture makes it feel significantly warmer, with a feels-like temperature of 88F. The relative humidity is sitting at 74%, supported by a dew point of 73F, which contributes to the muggy atmosphere.

The sky remains clear overhead, but the wind is picking up slightly. Winds are blowing from the south at 7 mph, with gusts reaching as high as 22 mph. While the current conditions are warm, they set the stage for a significantly hotter day ahead.

Today and Tomorrow Forecast

Temperatures will rise sharply today, with a high near 100F expected. The National Weather Service indicates that heat index values could reach as high as 104F due to the humidity. Sunny skies will dominate the day, accompanied by south winds around 10 mph, with gusts potentially hitting 20 mph.

Overnight tonight, conditions will remain clear. Temperatures are forecast to drop to a low around 79F, though they may rise slightly to around 82F later in the night. The heat index is expected to stay elevated, reaching up to 101F during this period.

Tomorrow continues the hot trend with sunny skies and a high near 99F. Heat index values are projected to climb to 103F. Winds will increase slightly, blowing from the south at 10 to 15 mph, with gusts as high as 25 mph. The night following tomorrow will be clear, with a low around 81F and similar wind speeds.

Safety Reminder

With heat index values approaching or exceeding 100F, it is crucial to prioritize safety during these extreme conditions. Stay hydrated by drinking plenty of water throughout the day, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

If you must be outside, seek air-conditioned spaces whenever possible and check on elderly neighbors or those without adequate cooling to ensure their well-being.

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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