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5-day forecast / Richardson, TX

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

Heat Index Hits 105 in Richardson as Storms Linger - Jul 5, 12 PM

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

Richardson faces a high near 100F with heat index values up to 105 today. Scattered showers and thunderstorms are possible, particularly in the afternoon and early evening.

Reese Janssen

July 5, 20262 min read

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

As of Jul 5, 12 PM local time.

Current Conditions and Heat Advisory

It is currently Sunday this afternoon in Richardson, TX, where the air temperature stands at 90F. The heat index, or "feels like" temperature, is currently 93F due to 49% relative humidity and a dew point of 68F. Winds are light at 7 mph with gusts reaching 9 mph, and the sky remains clear.

Temperatures are expected to climb significantly today, with a high near 100F. The National Weather Service indicates that heat index values will reach as high as 105 during the day. This intense heat requires caution, especially for those spending time outdoors. Residents are advised to stay hydrated and limit midday exertion to avoid heat-related illnesses.

Precipitation and Tomorrow's Forecast

Despite the clear skies now, a chance of showers and thunderstorms is expected today. The chance of precipitation is listed at 45% for the day, with the official forecast noting a chance of storms after 1pm. Partly sunny skies will accompany the high near 100F, with temperatures falling to around 97F in the afternoon.

Southeast winds will drop to around 5 mph. New rainfall amounts between a tenth and quarter of an inch are possible.

Tonight, the chance of showers and thunderstorms continues before 1am. Conditions will be mostly cloudy with a low near 78F. Heat index values will remain elevated, reaching up to 102. Overnight, temperatures may rise to around 80F. The chance of precipitation remains at 50%, with another tenth to quarter of an inch of rain possible.

Tomorrow, the weather will improve with mostly sunny skies. The high will be near 98F, with heat index values up to 102. Winds will be light, from the east northeast at 0 to 5 mph.

The chance of precipitation drops to 13%, with less than a tenth of an inch of rain possible. There are no active National Weather Service or NOAA weather alerts in effect for Richardson at this time.

Safety Reminders

With temperatures nearing 100F and heat indices exceeding 100F, it is crucial to monitor local conditions. Drink plenty of water, wear lightweight clothing, and check on elderly neighbors or those without air conditioning. If storms develop, seek shelter indoors immediately.

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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