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5-day forecast / Dallas, TX

WednesdaySunny103° / 81° 1%
ThursdaySunny100° / 80°
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SaturdayMostly Sunny102° / 82° 4%
SundaySunny102° / 82° 2%

Dallas Faces Extreme Heat Warning and Air Quality Alert Tonight - Jul 21, 8 PM

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

An Extreme Heat Warning and Air Quality Alert are active for Dallas. Current heat index reaches 107F with clear skies. Temperatures remain dangerously high through tomorrow.

Demarcus Lindgren

July 22, 20262 min read

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

*As of Jul 21, 8 PM local time.*

Dangerous Heat and Air Quality Concerns

Dallas is currently under the influence of two active National Weather Service alerts: an Extreme Heat Warning and an Air Quality Alert. The heat is intense right now, with the air temperature at 102F and a feels-like temperature of 107F. Relative humidity sits at 31%, with a dew point of 66F.

Winds are light at 6 mph, with gusts reaching 8 mph, under a clear sky.

The Extreme Heat Warning is in effect until July 22 at 8:00PM CDT. This severe alert underscores the dangerous conditions residents are facing. Alongside this, an Air Quality Alert was issued on July 21 at 2:42PM CDT, indicating that air quality may pose health risks during this period of stagnant air and high temperatures.

Forecast for Tonight and Tomorrow

Tonight, conditions will remain clear. Temperatures will drop to a low near 84F, though they may rise slightly to around 86F overnight. The heat index is expected to stay high, with values as high as 111. Winds will shift to the southeast at 0 to 5 mph.

Tomorrow, the sun will be out with a high near 103F. The heat index will climb even higher, reaching values as high as 114. Winds will turn to the north northeast at 0 to 10 mph.

The chance of precipitation is minimal at 1%. Tomorrow night will be clear with a low around 81F, rising to around 83F overnight, with heat index values up to 110 and east northeast winds at 5 to 10 mph.

Safety Reminders

Given the severe heat warning, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. The air quality alert suggests that sensitive groups should consider reducing prolonged outdoor activities. Do not leave children or pets in parked vehicles, and seek air-conditioned spaces during the 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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Demarcus Lindgren

Demarcus Lindgren covers weather, storms, and seasonal life around Dallas.

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