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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 102 - Jul 4, 4 AM

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

Current dew points hit 73F in Richardson. Highs near 98F today with a slight chance of late storms. No active weather alerts.

Reese Janssen

July 4, 20262 min read

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

As of Jul 4, 4 AM local time.

Current Conditions and Humidity

It is currently Saturday overnight in Richardson, and the air feels heavy with moisture. The current air temperature sits at 86F, but the heat index makes it feel like 93F. Relative humidity is at 66%, with a dew point of 73F indicating quite humid conditions. Skies are clear, and winds are blowing from the south at 7 mph, with gusts reaching up to 15 mph.

Today and Tonight Forecast

Temperatures will climb significantly during the day. The high near 98F is expected, with heat index values reaching as high as 102. The sky will be sunny initially, but there is a slight chance of showers and thunderstorms after 4pm. Winds will remain light from the south around 5 mph.

As evening approaches, the chance for storms continues before 7pm. Skies will become mostly clear. The low will drop to around 78F, though temperatures may rise slightly to around 80F later in the night. Winds will shift to south southeast at 5 to 10 mph. Heat index values will remain high, around 100, during the early evening hours.

Tomorrow Outlook

Conditions will remain warm and partly humid. The high near 97F is forecast, with heat index values peaking around 99. Skies will be mostly sunny, but there is a chance of showers and thunderstorms after 4pm. The chance of precipitation is listed at 30%. Winds will stay light from the south around 5 mph.

Overnight, there is a chance of showers and thunderstorms before 1am. Skies will be partly cloudy, and the low will be around 79F. Southeast winds will be around 5 mph.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts in effect for Richardson. However, the combination of high temperatures and significant humidity requires caution. It is advisable to stay hydrated and limit prolonged exertion during the hottest parts of the day. Keep an eye on the sky in the late afternoon and evening, as scattered storms may develop quickly.

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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