A chillier weather pattern has set up across the Northland, and it will likely continue at least through Sunday.
Daytime highs will generally be in the low to mid 40s in northeast Minnesota and northwest Wisconsin from Friday through Sunday, while overnight lows range from the 20s to lower 30s, but a few teens are possible in the typical cold spots tonight and again Friday night.
Our normal highs at this time of year range from the upper 40s to lower 50s, with normal lows in the upper 20s to lower 30s.
High temperature forecast for Saturday-Sunday, October 23-24, 2021.
An area of low pressure near Hudson Bay Canada won’t be moving a whole lot through Sunday, what this low will do is help maintain a chilly NW flow aloft over the Northland through the weekend.
Goes-16 water vapor loop from Thursday, October 21, 2021.
Some parts of the Northland will see some snow or rain showers on Friday, but coverage of these showers should be fairly scattered, and we’re not looking at any accumulating snow on Friday.
There could also be some lake effect snow and rain showers Friday along the South Shore of Lake Superior, mainly impacting parts of Ashland and Iron County.
18z HRRR model simulated radar forecast valid from 1 AM tonight to 7 AM Saturday.
Snow in blue colors
Rain in green colors
This is by far the coldest air mass we’ve seen around here in many many months, likely since late last winter or early spring.
850mb temperatures as low as -9C near the shores of Hudson Bay Canada late this afternoon, to around -3C across northern Minnesota.