Record April snow, an unusually warm string of days, thunderstorms and now the possibility of snow in May are all contributing to Northland rivers spilling over their banks, some of them flooding roads.
No major flooding was occurring or expected in the Northland, but the National Weather Service has posted advisories for small streams across the region, and several roads have been closed. Fairly heavy rain and snowfall expected tonight could add to the flooding problem later in the week, especially in Northwestern Wisconsin.
The National Weather Service in Duluth says 6 to 12 inches or more of snow is possible along a line from north of the Twin Cities to Ashland and Ironwood. A winter storm warning is posted for Burnett, Douglas, Sawyer, Bayfield, Ashland and Iron counties. A winter weather advisory, for an expected 3 to 6 inches, is posted for Carlton, southern St. Louis, Lake, Cook and Pine Counties in Minnesota — including Duluth.
The precipitation will begin as rain early today and then transition to a wintry mixture of rain and snow throughout the day and then all snow by sunset.
The additional precipitation, up to an inch of rainfall equivalent in Northwestern Wisconsin, will only add to the hydrological overload, said Dean Melde, meteorologist for the Weather Service in Duluth.
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