WINONA, Minn. – Horrendous storms with perhaps hail, possibly also with tornadoes, were forecast for afternoon into evening for southeast Minnesota and adjacent Iowa and Wisconsin. The new storm risk was listed as a Level 3 and Level 4 risk on a five-point scale. The National Weather Service said the threat was greatest south of Interstate 90 – as much as 20 times more than normal in places for a day mid-May. Large hail was likely, as well as localized flooding. The window for the most severe weather was fore at between 3 and 9 p.m.
