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5-day forecast / Dallas, TX

WednesdaySunny101° / 80° 5%
ThursdayMostly Sunny100° / 80° 12%
FridaySunny100° / 79° 9%
SaturdaySunny101° / 80° 1%
SundaySunny100° / 79° 5%

Dallas Heat Advisory: Dangerous Heat Index Values Expected Through Tomorrow - Sep 8, 2 PM

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

A Heat Advisory is active for Dallas as temperatures hover near 100F. The National Weather Service warns of dangerous heat index values reaching 106F today, with similar conditions persisting tomorrow.

Demarcus Lindgren

September 8, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 8, 2 PM local time.*

Dangerous Heat Conditions in Dallas

A Heat Advisory is currently active for the Dallas area, signaling dangerous heat conditions that residents should take seriously. The National Weather Service has issued this moderate-severity alert, which is expected to remain in effect until tomorrow evening. Right now, the air temperature is sitting at 99F, but the combination of heat and humidity means it feels like 103F.

Relative humidity is at 35%, and the dew point is 66F. Winds are blowing from the south southeast at 11 mph, with gusts also reaching 11 mph. The sky is partly cloudy, offering little relief from the intense solar radiation.

Today and Tonight Outlook

Today will be sunny with a high near 102F. Temperatures are expected to fall to around 100F in the afternoon, but the heat index values will climb as high as 106F. The chance of precipitation is only 10%.

Tonight, the sky will be mostly clear, and the low temperature will be around 81F. Interestingly, temperatures are forecast to rise to around 83F overnight, keeping the heat index values as high as 104F. Winds will remain light, blowing from the south southeast at 5 to 10 mph.

Tomorrow's Forecast and Safety

Tomorrow will bring similar conditions, with a sunny sky and a high near 101F. The heat index values are expected to reach 104F again. The chance of rain is minimal at 3%.

Winds will shift slightly to the south, blowing at 5 to 10 mph. Given the sustained high temperatures and heat index values, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors or those without air conditioning, as the danger persists through tomorrow evening.

Avoid prolonged exposure to the sun and seek air-conditioned environments when possible to prevent heat-related illness.

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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