WINTER WEATHER ADVISORY is in place for northern St. Louis and inland areas of Lake and Cook counties along with Iron County in WI until 6 AM Saturday morning. WINTER STORM WARNING is in effect for the North Shore from Two Harbors to Grand Portage during the same time. Snow total estimates follow below.
FRIDAY NIGHT & SATURDAY MORNING:
Snow will continue throughout the evening, but will gradually diminish into the overnight hours. Lake effect snow will continue along the North Shore, but will shift to the South Shore heading towards Sunrise. Winds trend S to SW around 4-10 mph, but will become W to NW around 5-15 mph overnight. Lows range from the single digits west and northwest to the teens east and southeast.
Higher pressure will settle in, but skies will remain cloudy to mostly cloudy. Lake effect snow will continue along the South Shore and U.P. throughout the day into Saturday night. Skies should slowly clear into Saturday night as the high pressure draws closer. Winds will be breezy out of the NW around 5-20 mph, but will slowly calm into the overnight. Highs top out in the teens west to mid 20s east. Temps will drop from west to east throughout the day. Lows fall back into the single digits and teens below, but should stay above zero for the U.P. and South Shore. Some areas north could very well drop into the 20s below.
Most areas will see 1-4", but the heavier totals will be across the Arrowhead of MN and Iron County WI who are in the advisory areas. There, 3-6" is possible. 4-8" could happen in the warning zone along the North Shore.
It'll be a pleasant but cold day with partly cloudy to mostly sunny skies. Clouds increase into Sunday night with skies becoming mostly cloudy. Highs only top out in the single digits with lows in the single digits below.
The beginning of next week looks dry, but chilly with a mix of clouds and sunshine. Highs Monday are in the single digits and low teens with lows overnight in the single digits below. Temps will be colder on Tuesday with highs in the single digits with lows in the teens below.
A warm front will approach the area Wednesday, which will increase the clouds and bring a slight snow chance to the area. The sun returns Thursday and Friday, along with warmer temperatures. Highs are in the single digits and low teens Wednesday, but by Friday, we should see highs back into the 20s!