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5-day forecast / Richardson, TX

ThursdaySunny102° / 80°
FridaySunny101° / 81° 4%
SaturdaySunny101° / 81°
SundaySunny102° / 81°
MondaySunny103° / 82° 1%

Dangerous Heat Persists in Richardson as Temperatures Climb Near 102 Degrees - Aug 12, 5 PM

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

Richardson residents face dangerous heat today with a high near 101F and heat index values reaching 108F. No severe weather alerts are active, but extreme caution is advised.

Reese Janssen

August 12, 20262 min read

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

*As of Aug 12, 5 PM local time.*

Dangerous Heat Conditions

Richardson is currently under the influence of dangerous heat, with the air temperature sitting at 99F and a feels-like temperature of 102F. The relative humidity is at 33%, with a dew point of 64F. Winds are blowing from the south southwest at 15 mph, with gusts reaching 17 mph, while the sky remains partly cloudy.

Today, the sun will dominate the sky, bringing a high near 101F. The heat index is expected to climb as high as 108F. South southwest winds will continue around 15 mph, with gusts potentially hitting 25 mph.

There is no chance of precipitation, leaving the day entirely sunny. Temperatures will drop to a low near 81F tonight. Conditions will clear out, but the heat will linger, with heat index values as high as 106F.

South winds will persist around 15 mph, with gusts as high as 30 mph.

Outlook and Safety

Tomorrow, the sunny skies will continue, pushing the high near 102F. The heat index is forecast to reach 107F. South southwest winds will remain around 15 mph, with gusts up to 30 mph.

There is no chance of rain, and the day will remain sunny. Overnight, temperatures will fall to a low around 80F, though they may rise slightly to around 82F during the night. Heat index values will stay high at 106F, with south winds around 15 mph and gusts up to 30 mph.

There are no active National Weather Service or NOAA weather alerts in effect for this area. However, the extreme heat poses significant risks. Residents should hydrate frequently and limit midday exertion to avoid heat-related illnesses. It is also wise to check on elderly neighbors and ensure pets have access to cool, shaded areas. Please remain vigilant as temperatures stay dangerously high through tomorrow.

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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