Back to Weather

5-day forecast / Dallas, TX

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

Dallas Heat Advisory in Effect as Temperatures Soar to 105F - Jul 20, 8 PM

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

A Heat Advisory is active for Dallas as dangerous heat persists. Current feels-like temperatures reach 102F, with highs near 105F expected tomorrow. Residents are urged to take precautions against extreme heat.

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 20, 8 PM local time.*

Dangerous Heat Conditions Continue

Dallas is currently under an active Heat Advisory, signaling moderate severity and expected urgency for the region. The National Weather Service has issued this alert due to dangerously high temperatures that will make it feel significantly hotter than the actual air temperature. As of this evening, the air temperature stands at 99F, but the heat index pushes the feels-like temperature to 102F.

Relative humidity is at 33% with a dew point of 64F. Winds are light at 6 mph with gusts up to 11 mph, and the sky remains clear.

Forecast for Today, Tonight, and Tomorrow

Today, Dallas will see a high near 102F and a low near 81F. The chance of precipitation is minimal at just 1%, with clear skies expected throughout the day.

Tonight, conditions will remain clear with a low around 81F. However, temperatures will rise to approximately 83F overnight. The heat index is expected to reach as high as 107F. Winds will shift to the south southwest at around 5 mph.

Tomorrow, the heat will intensify further. Expect a sunny day with a high near 105F. The heat index could climb to 110F.

Winds will be from the west southwest at around 5 mph. Tomorrow night will be clear with a low around 84F, followed by temperatures rising to about 87F overnight. The heat index may reach 109F, with south southwest winds between 0 and 5 mph.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values forecasted for the next 24 hours, it is critical to stay safe. Hydrate frequently and limit any midday exertion to avoid heat-related illnesses. Check on neighbors, especially the elderly and those without air conditioning, to ensure their well-being.

Keep pets indoors and never leave them in parked vehicles. Stay cool and prioritize safety during this period of dangerous heat.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Demarcus Lindgren

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

Related Stories

More in Sport