DFW Weather: Heat Dome Brings Triple-Digit Heat Index This Weekend

Weekend Heat and Humidity

• 🌡️ The first full weekend of summer officially begins with hot and humid conditions in DFW.
• 📈 High temperatures will reach the mid-90s, with the heat index expected to be in the triple digits most afternoons.
• 💧 Morning lows will be warm and muggy, in the 70s.

Astronomical vs. Meteorological Summer

• ☀️ Astronomical summer begins today at 9:41 p.m. with the summer solstice, when the sun is directly over the Tropic of Cancer.
• 📅 Meteorological summer started June 1st, encompassing June, July, and August for easier data tracking.
• 🌍 The Northern Hemisphere is tilted towards the sun during summer, resulting in the longest day of the year today, with over 14 hours of daylight.

The Heat Dome's Impact

• 🏠 A ridge of high pressure, referred to as the heat dome, will dominate the weather through the weekend.
• ⚠️ This heat dome is causing extreme heat warnings in neighboring states, with heat indices potentially reaching 110 degrees.
• 📉 Rain chances are slim to none, with only a 10% chance on Thursday and a slight possibility at the end of the month.
• 🗓️ The first 100-degree day is typically July 1st, but no such days are currently forecasted within the next 14 days.