The scale would rate a storm based on the amount of dust in the air, as well as other components, researchers say.
It has been a dry and mostly partly sunny day across the Valley, but widespread showers and thunderstorms are moving northward across the High Country, and some storms are causing flooding in southern ...
Arizona should get a wetter-than-normal 2026 monsoon season — plus a wetter fall and winter, according to the National ...
A storm system is moving in and bringing wind, rain and cooler air to Arizona. Scattered showers and thunderstorms are still ...
Summer weather predictions from AccuWeather and the Old Farmer's Almanac are calling for a wetter-than-usual Arizona summer.
Fungal storms in California are rising as Valley fever cases grow. Dust, wind and climate shifts spread airborne spores ...
The 2026 Pacific hurricane season is just around the corner — and the latest numbers suggest a volatile year ahead. Here's ...
Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.