A student group at Arizona State University is asking ASU President Michael Crow to reverse a ban on weapons on campus. They claim it leaves them at risk, in case a shooter opens fire.
A storm system producing localized flash flooding and gusty thunderstorms will progress eastward across the Southwest states through the middle of the week.
The 44th Annual Albuquerque International Balloon Fiesta began on Saturday morning, but stormy conditions could cause trouble through Tuesday.
Tropical cyclones presented trouble around the world this week, while heavy snow fell in parts of Alaska.
Sinkholes can be man-induced or natural, AccuWeather Meteorologist Jim Andrews said. Weather extremes such as heavy rains or drought can lead to sinkhole development.
A lunar eclipse coincided with a supermoon on Sunday night and dazzled star-gazers across the globe.