National Weather Service United States Department of Commerce
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Last Map Update: Sat, Jun 29, 2024 at 2:18:41 am MST

An Excessive Heat Watch is in effect from Sunday morning and all the way through to Friday, July 5th across the Lower Colorado River Valley and portions of southeast CA as high temperatures will range between 112-115 degrees with overnight/early morning lows in the mid 80s to near 90 degrees.
Hot conditions continue through the weekend. Lower deserts will see afternoon high temperatures in the 105-115 range and overnight lows in the 80s to low 90s. Higher terrain areas will see afternoon high temperatures in the upper 90s and low 100s with overnight lows in the 70s. Rain chances are low today and Saturday with 5-15% for the higher terrain to the south and east of the Phoenix Metro. Some activity tonight may be able to get into the far southern and eastern portions of the Phoenix Metro. Rain chances increase on Sunday with 50-60% in the higher terrain to the east of the Phoenix Metro and 10-30% across the lower deserts, including the Phoenix Metro.
Thunderstorm activity will ramp up heading into early next week. Both days, the highest rain chances (40-60%) will be confined to the AZ high terrain with only around a 15-30% chance across the lower deserts. Sunday night looks to be the best time for showers and storms to get into the lower deserts, including the Phoenix Metro.
The Climate Prediction Center is highlighting southcentral AZ for likely above normal precipitation into the second week of July.
Despite the HeatRisk category not being at the Major or Extreme level, the heat is still dangerous. Remember to keep practicing smart heat safety, such as drinking plenty of water and limiting your time outdoors.

 

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