A woman walking along the shoulder of Interstate 10 in Tucson Friday was shot and killed during an altercation with a state trooper, authorities say.

A humid and unstable pattern continues across the Gulf Coast. Moisture-rich air combined with a stalling front will keep storm chances elevated in some areas, while others stay hot and dry.

Mild day Monday before warmup in Chicago Expect warm and mostly pleasant weather this week. Sunday night will be partly cloudy with some haze and smoke, and lows in the mid-60s. Air quality will ...