Arizona weather forecast: Highs in the 90s to begin the week in Phoenix

4 p.m. Weather Forecast - 5/19/25

PHOENIX - Buckle up! Arizona's weather is going to begin really heating up.

"After slightly below normal temperatures today, a steady warming trend will eventually push daytime highs to around 100° by Wednesday before peaking between 102-107° on Thursday and Friday. Widespread Moderate HeatRisk is expected for Wednesday-Friday," the National Weather Service in Phoenix said.

What To Expect:

Highs in the Valley on Monday hovered around 94 degrees.

Tuesday will be slightly warmer, but on Wednesday, triple-digit highs are expected. The 100-degree highs are expected to stick around until early next week.

Morning Weather Forecast - 5/19/25

You can always check the latest weather conditions by visiting the FOX 10 Phoenix weather page, or download the Free FOX 10 Weather app, which is available on Apple iOS and Android.

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