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5-day forecast / Dallas, TX

ThursdaySunny106° / 83° 3%
FridaySunny then Slight Chance Showers And Thunderstorms107° / 82° 23%
SaturdaySunny107° / 82° 8%
SundaySunny106° / 83° 5%
MondaySunny106° / 82° 4%

Dallas Under Extreme Heat Warning as Temperatures Near 106 - Aug 20, 2 PM

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

Dallas is under an Extreme Heat Warning with current temperatures at 100F and a heat index reaching 109. Residents should stay hydrated and limit outdoor activity during peak hours.

Demarcus Lindgren

August 20, 20262 min read

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

*As of Aug 20, 2 PM local time.*

Severe Heat Alert in Effect

Dallas is currently under an Extreme Heat Warning, a severe alert issued by the National Weather Service. The dangerous conditions are already evident, with the air temperature sitting at 100 degrees Fahrenheit. The combination of heat and humidity means the actual feel is 104 degrees.

The sky is clear, and winds are light at 6 mph with gusts to 7 mph. Relative humidity stands at 31 percent, with a dew point of 64 degrees. This alert remains active until 8:00 PM CDT on August 21, highlighting the persistent risk of heat-related illness.

Today’s Forecast and Conditions

The day will remain sunny with a high near 106 degrees. The heat index values are expected to reach as high as 109 degrees, making the air feel significantly hotter than the actual temperature. Winds will be from the south southwest at around 5 mph.

The chance of precipitation is minimal at 3 percent, ensuring dry conditions throughout the day. As night falls, the sky will remain mostly clear. Temperatures will drop to a low near 83 degrees, though they may rise to around 85 degrees overnight.

The heat index will still reach 107 degrees, and winds will shift to the south at 5 mph.

Tomorrow’s Outlook and Safety

Tomorrow will bring similar intense heat, with a high near 107 degrees. Temperatures may fall to around 105 degrees in the afternoon, but the heat index will peak at 110 degrees. The sky will be sunny, with a slight chance of showers and thunderstorms after 4 PM.

The chance of precipitation is 20 percent. Winds will come from the southwest at 5 mph. Given the extreme heat index values, it is crucial to stay hydrated and limit midday exertion.

Check on neighbors and vulnerable individuals to ensure they have access to cool environments and water. Avoid prolonged exposure to direct sunlight during the hottest parts of the day.

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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