The Northland will continue to see some snow showers, flurries or mixed rain-snow showers at times into Tuesday. Some of these snow showers could be heavy for brief periods of time this evening especially across northern Minnesota with visibilities dropping to a mile or less for brief periods of time.
Snowfall accumulations of a trace to an inch are possible in parts of northern Minnesota through Tuesday, with higher amounts of up to 6″ possible over parts of western upper Michigan where heavier lake effect snow is expected tonight and Tuesday.
18z NAM 3km model simulated radar forecast ending 7 AM Wednesday.
Conditions have become favorable for the development of brief intense snow bursts/snow squalls late this afternoon over parts of northern Minnesota and also over western Upper Michigan (black outlined areas on map).
A cool first day of November.
Departure wise, the greatest anomalies are actually south of the Northland, where temperatures are running -10 to as much as -25 degrees colder than average, while temps farther north in our area are roughly -5 degrees colder than average late this afternoon.
About the only change to the pattern today is that the upper level low has moved farther east into Quebec (yesterday it was over western Ontario), otherwise the pattern remains the same, and its one that consists of a cool N-NW flow coming out of northern Canada.
Goes-16 water vapor loop from Monday, November 1, 2021.
850mb temperatures will remain on the cold side into midweek, ranging from around -8 to -12C through Wednesday, but a milder air mass currently over western Canada will be moving eastward and will chip away at the cold air currently over the upper Midwest, this should happen by late this week.
Highs in the Northland will remain in the mid 30s to around 40 for Tuesday and Wednesday, this will be followed by milder temperatures late in the week as highs climb into the 40s on Thursday, and into the upper 40s to low 50s Friday through Sunday.
High temperature forecast valid November 2-7, 2021.