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.

Severe, isolated storms with threats of large hail and damaging wind gusts may develop in North Texas on Wednesday, NWS Fort Worth posted on X. There is also a slight threat of a tornado, according to NWS Fort Worth.