A dense fog advisory is in effect for much of the Northland through Sunday morning -- and with temperatures forecast to fall to near or below freezing overnight, that may lead to slippery roads and sidewalks across the region.
The advisory is in effect until 10 a.m. Sunday for Duluth, the North Shore, the Iron Range, Ely, Grand Rapids and Cloquet.
"Snow melting today has put a lot of moisture into the low-level atmosphere, which should produce fog this evening," the National Weather Service reported. "The fog will become dense for many locations by mid-evening, and continue into Sunday morning."
Visibilities may drop to a quarter-mile at times, and may freeze on surfaces -- including roads, sidewalks and bridges.
Rain is expected to move into the region Sunday night and Monday, with some thunderstorms possible Monday afternoon before the precipitation starts to mix with sleet and snow on Monday night, the Weather Service reported. A changeover to light snow is expected Tuesday.
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