A huge storm system crossing the U.S. threatens to unleash tornadoes Friday in the Mississippi Valley, blizzards in the northern Plains and dry, gusty conditions in Texas and Oklahoma that pose an extreme risk of wildfires.

A sweeping storm system moving across the U.S. threatens to bring tornadoes, blizzards and possibly wildfires to different regions of the country

A sprawling storm system crossing the U.S. on Friday caused deadly crashes, damaged buildings and fanned more than 100 wildfires in several central states, prompting evacuation orders in some communities.