WINONA, Minn. – Scattered thunderstorms rumbled through Winona County overnight but much-needed rain was sporadic and uneven. Even so, the new weekly federal drought monitor showed modest easing. Still, though, southeast Minnesota remains in a a federally defined severe and extreme drought. The driest areas include most of Olmsted County and adjacent parts of Dodge, Fillmore, Mower, Steele and Winona counties.