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5-day forecast / Richardson, TX

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

Humidity Clings to Richardson as Heat Index Nears 104 - Jul 11, 4 AM

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

High humidity and near-100-degree temperatures define the forecast for Richardson. A chance of storms arrives tomorrow afternoon.

Reese Janssen

July 11, 20262 min read

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

*As of Jul 11, 4 AM local time.*

Current Conditions and Humidity

It is currently Saturday overnight in Richardson, and the air feels heavy with moisture. The air temperature sits at 82F, but the feels-like temperature is 87F due to the significant humidity. The relative humidity is 70%, with a dew point of 72F. Winds are light at 6 mph, though gusts have reached 20 mph. The sky remains clear as the night progresses.

Today and Tonight Forecast

Today will be sunny with a high near 98F. The heat index values are expected to reach as high as 104. South southwest winds will blow at 5 to 10 mph.

The chance of precipitation is just 1%. As tonight sets in, skies will remain clear with a low around 79. South winds will increase slightly to around 10 mph.

The heat index will remain elevated, with values as high as 102. The relative humidity will stay high, keeping the feels-like temperature well above the actual air temperature.

Tomorrow Outlook

Tomorrow brings a high near 95F with a low around 76F. The day starts sunny, but a chance of showers and thunderstorms develops after 1pm. The chance of precipitation is 37%, with some forecasts suggesting up to 40%.

New rainfall amounts less than a tenth of an inch are possible. South southwest winds will be around 5 mph. The heat index will again reach as high as 104.

As tomorrow night approaches, a chance of showers and thunderstorms is likely before 7pm, followed by likely showers and thunderstorms. Skies will become mostly cloudy with a low around 76, though temperatures may rise to around 78 overnight. Southeast winds will be around 5 mph.

The chance of precipitation for the night is 60%.

Safety Reminder

With heat index values nearing 104, it is crucial to stay hydrated and limit midday exertion. Check on neighbors and vulnerable individuals during the peak heat hours. When storms arrive tomorrow, be prepared for sudden changes in weather and seek shelter if thunder is heard.

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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