PHOENIX (3TV/CBS 5)-- Known by many names of the years, the Arizona monsoon is one thing: unpredictable. But it’s that mystery that drove Dr. Jonny Malloy to write the book called North American ...

For most of the summer, Phoenix baked under blue, mostly rainless skies. But in a matter of days, the monsoon redeemed itself with drenching rain and flooding that pushed the season from disappointing ...

TUCSON, Ariz. (KGUN) — Moisture will continue to linger across southeastern Arizona as we bring the week to a close and this will help fuel a few more monsoon thunderstorms. As we have seen the past ...

Arizona's monsoon is days from its official end, but could still bring in thunderstorms over Phoenix. Forecasters say there's a good chance of rain by the end of the week, and temperatures could drop ...

TUCSON, Ariz. (KGUN) — Monsoon will continue to stay active through the end of the week thanks to some remnant moisture coming in from what was Tropical Storm Mario. Thunderstorms will favor the ...

Monsoon storms are rumbling through central and southwestern Arizona less often but with more intensity than they were 60 years ago, according to a new study by researchers at the University of ...

The weather in Arizona will be much drier this week, and temperatures will climb. The high in Phoenix on Sept. 29 was 94 degrees, according to the National Weather Service. Highs will climb to the ...