Hey there, welcome to your Monday morning in the Valley of the Sun! This is your weather for Monday, August 31st, 2026, in Phoenix, Arizona. - Early morning temperature around 83 degrees - Daytime high of 109 degrees, stay hydrated! - Heavy rain expected with around half an inch by afternoon - Skies mostly clear with 12% cloud coverage - Southeast winds at 9 mph, gusts up to 12 mph - Wet roads and potential flash flooding in low-lying areas Have a fantastic day, and don't forget that umbrella! Tune in again tomorrow for more updates.