On Edge. Here is the 12z 4km NAM solution, showing potential snow amounts across central and southern Minnesota and western Wisconsin. Note the sharp gradient from north to south, maybe 1-2" for the northern suburbs, as much as 3-6" in the central core of the metro, with some 5-8" amounts not out of the question far southern suburbs, closer to 10" from Redwood Falls to  Le Center and Northfield with up to a foot from north of Rochester to near Eau Claire. We'll see, but I want to stress a few variables that will keep amounts down slight: ground temperatures are still mild, after a few days of 40s and 50s. So snow will initially melt on contact during the late afternoon hours. Precipitation will start out as rain, and the strongest vertical velocities with this system may slide just south of MSP. Bottom line: probably plowable Tuesday PM (especially south metro), but hardly Snowmageddon! Map: NOAA and Ham Weather.

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Sloppy snow Tuesday night? Winter Storm Watch posted for Twin Cities

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Brushed With Slush (2-4" snow tonight, potentially plowable south metro)