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5-day forecast / Richardson, TX

SaturdaySunny101° / 82° 1%
SundaySunny102° / 81° 1%
MondaySunny103° / 82°
TuesdaySunny103° / 82°
WednesdaySunny103° / 82°

Heat Advisory in Effect for Richardson as Temperatures Climb Near 102 Degrees - Aug 15, 5 PM

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

A Heat Advisory is active for Richardson, TX, with dangerous heat index values reaching up to 105 degrees. Residents are urged to take precautions against extreme heat today and tonight.

Reese Janssen

August 15, 20262 min read

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

*As of Aug 15, 5 PM local time.*

Dangerous Heat Conditions Underway

Richardson, Texas, is currently under a Heat Advisory issued by the National Weather Service in Fort Worth. The advisory remains in effect until August 16 at 8:00 PM CDT, highlighting moderate severity conditions with expected urgency. As of this evening on Saturday, the air temperature stands at 99F, but the heat index makes it feel like 102F.

Relative humidity is at 33% with a dew point of 64F. Winds are blowing from the south southwest at 16 mph, though gusts have been recorded up to 14 mph. The sky remains mostly clear.

Forecast for Today and Tomorrow

The National Weather Service forecasts sunny skies today with a high near 101F. Heat index values are expected to reach as high as 105 during the day. South southwest winds will be around 10 mph, with gusts potentially hitting 20 mph.

Tonight, conditions will clear with a low around 82F. Temperatures may rise slightly to around 84 overnight, with heat index values still reaching up to 105. Winds will shift to the south at around 10 mph, with gusts as high as 20 mph.

Looking ahead to tomorrow, sunny skies are expected again with a high near 102F. Heat index values will be slightly lower, peaking around 101. South southwest winds will decrease to 5 to 10 mph.

Tomorrow night will be clear with a low around 81F. Overnight temperatures may rise to approximately 83, with heat index values up to 99. Winds will remain light from the south southwest at around 5 mph.

Safety Reminders

Given the active Heat Advisory and dangerous heat index values, residents should prioritize safety. Extreme heat can lead to heat-related illnesses quickly. Stay hydrated by drinking plenty of water throughout the day.

Limit outdoor exertion, especially during the hottest parts of the day. Check on neighbors, particularly the elderly or those without air conditioning. Never leave people or pets in parked vehicles.

If you experience symptoms like dizziness, nausea, or headache, seek cool air and medical attention 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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