Strong high pressure will build across the region, reaching near record strength next week. Temperatures across the lower deserts will rapidly heat up into the 90s through this weekend but then increase even further into the triple digits as we head into the middle of next week. Not only will all-time record March temperatures likely be broken but also the earliest occurrence of 100 degrees in Phoenix.
Temperatures will rapidly warm into the 90s by the end of this week. Strong high pressure will take over by this weekend into early next week, pushing highs into the upper 90s to 100 degrees which is record territory.
Phoenix has a high probability of reaching 100 degrees by the middle of next week. This would be the earliest occurrence of 100 degrees on record for the Phoenix area.
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