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5-day forecast / Dallas, TX

TuesdaySunny104° / 84° 1%
WednesdaySunny104° / 82°
ThursdaySunny100° / 81° 1%
FridaySunny102° / 83° 1%
SaturdayMostly Sunny102° / 83° 7%

Dallas Faces Extreme Heat Warning as Temperatures Soar Near 104F - Jul 21, 8 AM

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

An active Extreme Heat Warning is in effect for Dallas as current heat index values reach 89F. Highs near 104F are expected today and tomorrow with dangerous heat indices.

Demarcus Lindgren

July 21, 20262 min read

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

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

Dangerous Heat Conditions Underway

Dallas is currently under an active Extreme Heat Warning, signaling severe and expected heat hazards for the region. As of this Tuesday morning, the air temperature stands at 86F, but the heat index makes it feel like 89F. The relative humidity is at 55% with a dew point of 68F.

Winds are light at 3 mph with gusts reaching 12 mph, and the sky remains clear.

The National Weather Service has issued this warning to highlight the significant risk posed by the extreme temperatures. Residents are advised to take this alert seriously as conditions remain hazardous. The warning indicates that heat-related illnesses are likely for those who do not take appropriate precautions.

Forecast for Today and Tomorrow

Today will be sunny with a high near 104F and a low near 84F. The chance of precipitation is just 1%. Heat index values are expected to climb as high as 112 during the day. Winds will be from the west at 0 to 5 mph.

Tonight, skies will clear with a low around 84. Temperatures may rise to around 86 overnight, keeping heat index values as high as 110. Winds will shift to the south at 0 to 5 mph.

Tomorrow remains sunny with a high near 104F and a low near 82F. There is no chance of precipitation. Heat index values will again reach as high as 112. In the afternoon, temperatures may fall to around 102. Winds will be from the north northeast at 0 to 10 mph.

Safety Reminders

Given the severity of the current heat, it is critical to stay hydrated and limit midday exertion. Seek air-conditioned environments as much as possible. Check on neighbors and vulnerable individuals who may be at higher risk from extreme heat.

Do not leave people or pets in parked vehicles. The combination of high temperatures and heat index values creates a dangerous environment that requires immediate attention and care.

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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