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5-day forecast / Richardson, TX

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

Humid Start to Sunday Night in Richardson; Storms Possible Tomorrow - Jul 12, 4 AM

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

Richardson residents face high humidity with a dew point of 73F tonight. Showers and thunderstorms are likely tomorrow with highs near 91F and heat index values up to 99F.

Reese Janssen

July 12, 20262 min read

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

*As of Jul 12, 4 AM local time.*

Current Conditions

It is currently Sunday overnight in Richardson, and the air feels quite heavy. The current air temperature is 82F, but the heat index makes it feel like 88F. Relative humidity sits at 74%, with a dew point of 73F indicating significant moisture in the atmosphere. Winds are light at 6 mph with gusts reaching 18 mph, and the sky remains clear.

Forecast Overview

Temperatures will remain warm through the night. Conditions are expected to be mostly clear with a low around 79F. As the night progresses, temperatures may rise slightly to around 81F. Winds will shift to the south southwest at around 5 mph.

Today brings a mix of sun and clouds with a high near 94F. There is a 50% chance of showers and thunderstorms developing after 7am. Heat index values could reach as high as 99F. Winds will continue from the south southwest at around 5 mph. Any rainfall is expected to be minimal, with new amounts less than a tenth of an inch possible.

Tomorrow looks similarly humid and warm. A high near 91F is forecast with a low near 74F. The chance of precipitation is 51%, with showers and thunderstorms possible.

Heat index values may again climb to 99F. Winds will be light, from the south southeast at 0 to 5 mph. New rainfall amounts between a tenth and quarter of an inch are possible.

Conditions will be partly sunny with a chance of storms before 7am, then again between 7am and 1pm.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts in effect for Richardson. However, the high humidity and heat index values warrant caution. Residents should stay hydrated and limit prolonged exertion during the hottest parts of the day. Keep an eye on the sky for developing storms, especially during the afternoon hours when instability is likely to increase.

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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