A rare snow squall warning has been issued in the Duluth area until 8:30 a.m. Thursday morning.
What is a snow squall? "It's an intense burst of snow and wind that leads to rapidly deteriorating road conditions. These conditions are headed towards the Twin Ports and I-35 corridor NOW!" said the Duluth office of the National Weather Service.
The weather service warns: "At 736 AM CDT, a dangerous snow squall was located along a line extending from near Hermantown, to near Saginaw, to 7 miles south of Canyon, to near Brookston, to Fond Du Lac Reservation, moving southeast at 25 mph."
The squall is producing heavy snow and blow snow behind winds gusting up to 30 mph.
A snow squall can create dangerous travel conditions with rapidly deteriorating visibilities on roadways. This squall is impacting Hwy. 63 between Superior and Wentworth, Wisconsin, and Interstate 35near Duluth and Cloquet.
"An area of heavy snow showers are impacting the Highway 2 corridor including the Twin Ports this morning. Expect brief period of heavy snow in the next hour with low visibilities and accumulations up to one inch on grassy surfaces. Snow showers are moving southeast," says the Duluth office of the National Weather Service.
Other areas impacted include: Hermantown, Proctor, Scanlon, Carlton, Poplar, Wrenshall, Oliver, Holyoke, Thomson, Brookston, Wisconsin Point, Pike Lake Near Duluth, South Range, Saginaw, Foxboro, Fond Du Lac Reservation and Rice Lake.