After a stunningly warm Tuesday, expect thunder, hail and more wacky weather Wednesday evening. It's an oddball forecast for Seattle in March.

Weather agencies around Western Washington are warning residents to brace for severe thunderstorms on Wednesday.

A meteorological rarity could unfold across the Seattle metro area on Wednesday with large hail, damaging winds and the possibility of tornadoes forecast across the Interstate 5 corridor – a place where severe weather is nearly unheard of.