What makes a desert and why are they so hot? A scientist explains
Arizona is a desert state. The desert is hot. We take all that for granted, but there are interesting scientific explanations for why.
Weather
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Arizona’s summer AC costs blow the rest of the U.S. out of the water
Sweating out the summer is cheaper literally anywhere else.
Phoenix Fourth of July weather forecast: Here’s what to expect
It’s going to be hot. But it also could be a lot worse.
What is the hottest month in Phoenix?
When it’s 110 degrees, the days all blend together. But the hottest months in Phoenix history should be familiar.
Will a heavy Phoenix monsoon create a ‘perfect storm’ for scorpions?
This year’s monsoon might be wetter than usual. Will that drive all the scorpions — eek! — inside your home?
What is a haboob? What you should know about Arizona’s dust storms
Arizona has had dust storms for ages, but we’ve only recently started calling them haboobs.
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The 10 hottest summers in Phoenix history: How will 2026 stack up?
According to the National Weather Service, nine of the 10 hottest Phoenix summers have happened since 2000.
Phoenix broke a record for spring heat. Here’s by how much
Who needs summer when spring regularly tops 100 degrees?
Arizona is drying up faster than any other state in the U.S.
It’s no surprise that Arizona doesn’t get a lot of rain. But the extent to which the rain has abandoned us may surprise you.
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What are the wettest Phoenix monsoon seasons on record?
The 2025 monsoon season wound wetter than the last couple years. Where does it rank overall?
When does monsoon season start in Arizona? What you should know
Every summer, monsoon season provides Phoenix with roughly half of its yearly rainfall – and a needed break from the heat.
2 Valley locales among U.S. cities with highest summer heat risk
It gets so hot in Arizona, there’s really no way to be fully prepared.
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There might be a ‘super’ El Niño this year. What would that mean for Phoenix?
If you’re hoping for a strong monsoon season in Phoenix this summer, you may be in luck.
New Phoenix monsoon forecast released: What to expect
We had a wet monsoon last year, and this summer has good chances of following suit.
New Phoenix summer forecast released: What to expect
The heat? That’s a given. But a chance at a strong monsoon season? That’s a gift.
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Phoenix hits earliest 100-degree day on record
We shattered the previous record by more than a week. Counterintuitively, that could mean good things for summer.
Strap in: Phoenix is expected to hit 100 degrees by next week
Spring is off to a hot start, but does that mean summer temperatures are right around the corner?
February was warm. Here’s how it ranks in Phoenix weather history
The final two days of this February were the hottest Phoenix has ever experienced for that month.
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You’re not crazy: Winters in Phoenix are indeed getting shorter
“Winter” isn’t really a thing here. But the season that passes for it is going by more quickly, one study shows.
Map: Which areas of the Valley got the most rain last night?
This winter has been pretty dry, though some parts of Maricopa County got a proper rainstorm last night.
New Phoenix spring forecast released: What to expect
You can probably start packing up your winter gear. A trademark Arizona spring is on the way.
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Hottest December in Phoenix? Valley is set to shatter record
This has been the hottest December in the city’s history. The warm weather threatens the mountain snows that help provide your drinking water.