An upper-level pattern change will bring a temperature switch-up across the country this week. The West will see temperatures fall well below average while the heat cranks up across the Central U.S.
Forecasters at NOAA's Climate Prediction Center say La Niña could form in the coming weeks. La Niña is expected to emerge this fall and last through the winter months.
Typhoon Bebinca slammed into Shanghai, China, with destructive winds and rain that toppled thousands of trees and ripped apart buildings in the bustling business district. Although schools were closed and hundreds of thousands of people evacuated, many found themselves caught in the dangerous storm. Watch this video for the full story.