More than 6 million people in multiple states across the Southwest and South Plains are under red flag warnings on Thursday.

Red flag warnings across New Mexico, Texas, and Colorado as "critical" fire conditions worsen through Tuesday with high winds.

The National Weather Service has issued a red flag warning for Pima County starting at 1:25 p.m. March 31. The warning expires at 8 p.m. April 1. The weather service on April 1 updated its alert ...