DFW Weather: Dangerous Heatwave and Air Quality Alerts Expected

Dangerous Heat and Humidity

• ⚠️ A WFAA Weather Alert Day is in effect due to dangerous heat and high humidity, with heat index values reaching up to 107.
• 💧 It is advised to limit outdoor time, take breaks, and hydrate properly. Wearing SPF and checking back seats for children and pets is also recommended.
• 🌡️ A heat advisory is in place for Red River counties, including Denton, Tarrant, Ellis, Navarro, Dallas, Rockwall, and Collin County, due to heat index values climbing to 107.

Air Quality Concerns

• 💨 An air quality alert is active, common in summer due to high heat, sunshine, pollution, and light winds, which create high levels of surface ozone.
• 😷 Individuals with respiratory issues should limit outdoor exposure as ozone lowers air quality.

Daily Temperature Forecast

• 📈 Today, expect a high of 99°F, with heat index values in the triple digits for several hours.
• 🌡️ Wednesday and Thursday are predicted to be the hottest days, with temperatures potentially reaching 100-101°F and heat index values around 105-106°F.
• 📉 Relief is expected by Friday with temperatures dropping to 95°F, followed by 90°F on Saturday and 93°F on Sunday, though the heat index will remain near triple digits due to humidity.

Weather Pattern Shift

• ☀️ A ridge of high pressure over the Mississippi Valley is currently causing the heat, but it is moving, leading to increased temperatures in North Texas on Thursday and Friday.
• 🌧️ Over the weekend, a weak cold front and a dip in the jet stream are expected to bring rain chances (20-30%) and cloud cover, contributing to the temperature drop.
• 🗓️ Triple-digit temperatures have not yet occurred this year, with most of July being below normal. The last time there were no 100s through the end of July was in 2007, but triple-digit days are anticipated before the end of the month or in August.