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5-day forecast / Richardson, TX

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

Humidity Peaks in Richardson as Heat Index Climbs to 105 - Jun 23, 4 AM

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

Richardson faces oppressive humidity with a dew point of 76F. Highs near 95F today, rising to 97F tomorrow, with heat index values reaching 105F.

Reese Janssen

June 23, 20262 min read

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

As of Jun 23, 4 AM local time.

Oppressive Humidity and Rising Heat

Residents in Richardson are currently experiencing oppressively humid conditions during the Tuesday overnight hours. The air temperature sits at 84F, matching the feels-like temperature, while relative humidity remains high at 82%. A dew point of 76F underscores the heavy moisture in the air. Winds are blowing from the south at 9 mph, with gusts reaching 16 mph, under a clear sky.

Today and Tonight Forecast

Today, the heat will intensify with a high near 95F. The National Weather Service indicates heat index values as high as 103F. There is a slight chance of showers and thunderstorms before 10am, with a 20% chance of precipitation. New rainfall amounts between a tenth and a quarter of an inch are possible. Winds will be from the south at 5 to 10 mph.

As evening approaches, conditions will shift. Tonight, there is a slight chance of showers and thunderstorms after 4am. The sky will be mostly cloudy initially, transitioning to partly cloudy later.

The low will be around 77F, with temperatures rising to around 79F overnight. Winds will decrease to around 5 mph. Later in the night, the low is expected to be around 78F, with temperatures rising to around 80F.

Heat index values may reach as high as 105F. Winds will increase to around 10 mph from the south. The chance of precipitation is 20%, with new rainfall amounts less than a tenth of an inch possible.

Tomorrow Outlook

Tomorrow, the region will see mostly sunny skies with a high near 97F. Heat index values will remain elevated, reaching as high as 103F. Winds will come from the south southwest at around 10 mph, with gusts as high as 20 mph.

The chance of precipitation drops significantly to 3%. Tomorrow night will be mostly clear, with a low around 77F. Temperatures will rise to around 79F overnight.

Winds will continue from the south at around 10 mph, with gusts up to 20 mph.

Safety Reminder

With heat index values climbing into the 100s, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors and ensure pets have access to cool, shaded areas. Avoid prolonged exposure to the sun during peak heat hours.

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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