Heat and Humidity Persist in Richardson as Storms Loom for Tomorrow - Jul 11, 8 PM
Richardson weather, updated every four hours — local forecasts you can trust.
Richardson faces a very hot Saturday with highs near 99F. Temperatures drop slightly tomorrow with a chance of afternoon showers and thunderstorms.
Reese Janssen
July 12, 2026/2 min read
National Weather Service radar for North Texas (KFWS)
*As of Jul 11, 8 PM local time.*
Current Conditions and Heat Index
Residents in Richardson are experiencing a notably hot and humid evening. The air temperature currently sits at 95F, with a feels-like temperature of 95F. Humidity levels are substantial, with a relative humidity of 58% and a dew point of 73F.
Winds are blowing from the south southwest at 10 mph, with gusts reaching up to 21 mph. The sky remains partly cloudy as the day winds down.
Today and Tonight Forecast
Today is expected to be quite warm, with a high near 99F. As evening approaches, conditions will clear up. Tonight will be clear with a low near 79F.
Temperatures may rise slightly to around 81F during the overnight hours. The heat index is forecast to reach as high as 98F. Winds will decrease to a south southwest flow of 5 to 10 mph.
There is a minimal 9% chance of precipitation today, with clear skies expected.
Tomorrow: Heat Returns with Storm Potential
Temperatures will dip slightly tomorrow, with a high near 95F and a low near 76F. The day will begin mostly sunny, but conditions will shift later. A chance of showers and thunderstorms is expected between 1pm and 4pm, followed by a continued chance of showers and thunderstorms later in the day.
The heat index could climb as high as 102F. Winds will be light from the south southwest around 5 mph. The chance of precipitation is 45%, with new rainfall amounts less than a tenth of an inch possible.
Safety Reminders
Given the high temperatures and humidity, it is important to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly or those without air conditioning. As storms approach tomorrow, be aware of changing conditions and seek shelter if thunder is heard. There are no active weather alerts at this time.
National Weather Service radar for North Texas (KFWS)
A Heat Advisory is active for Richardson, TX, with current feels-like temperatures at 92F. Highs near 101F today and 102F tomorrow bring heat index values up to 108F.
A Heat Advisory is active for Richardson, TX, with current feels-like temperatures at 99F. Highs near 100F today, rising to 102F tomorrow with heat indices up to 109F.
A Heat Advisory is active for Richardson, TX, with temperatures reaching near 102F and heat indices up to 107F. Residents are urged to stay cool and hydrated during this moderate-severity event.
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