In addition to unseasonably cold weather in the eastern US, a system is expected to drop into the south-central Plains and Mid to Lower Mississippi Valley to produce strong to severe thunderstorms and locally heavy rainfall. The storms may contain large hail and gusty winds, while the rain may yield some flash flood concerns. Some wet snow is likely Friday night and Saturday in the interior Northeast, which could include rare May lake-effect snow in some of the Great Lakes snowbelts. States with Active Advisories: Montana
Montana - Winter Weather Advisory - Central. 2-4 inches of additional snow above 5500ft and winds gusting up to 40mph Until noon MDT today.