NWS Forecast Office Phoenix, AZ

Temperatures will continue to heat up through mid-week, peaking at 6-8° above normal on Thursday. This will result in widespread Moderate HeatRisk with areas of Major HeatRisk. Additionally, Extreme Heat Warnings are in effect across portions of the area through Thursday. An increase in moisture may lead to isolated thunderstorm activity across the AZ higher terrain for the middle to latter half of the week.

Temperatures will gradually increase this week, peaking on Thursday at 6-10° above normal. This will result in widespread Moderate HeatRisk with areas of Major HeatRisk developing for the end of the workweek. Never underestimate the heat, and make plans accordingly. Remember to drink plenty of water and take breaks in air conditioning.