Lake Effect snow occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes. CHICAGO (WLS) -- Lake-effect snow is expected in the forecast Monday night into Tuesday morning for Chicago and northwest Indiana.Biden selects California Sen. Kamala Harris as running mateComEd power outage leaves 388K across Chicago area in darkChicago cleaning up after looting devastates downtown businesses; CPD establishes looting task forceKamala Harris: What to know about the California senatorWoman killed, daughter injured in River North hit-and-runIllinois reports 1,549 new coronavirus cases, 20 deaths TuesdayDog dies after respiratory illness, tests positive for coronavirusBig Ten and Pac-12 pull plug on fall football amid pandemicChicago removes 3 states from COVID-19 travel order Chicago Scholars helps students navigate e-learningBiden selects California Sen. Kamala Harris as running mateComEd power outage leaves 388K across Chicago area in dark $1M Bond for Man Charged With Attempted Murder in Police-Involved Shooting About 8.5 inches of snowfall was reported in northwest suburban Palatine.Air travel suffered disruptions, with O’Hare Airport reporting 1044 flight cancelations by 5 p.m. Saturday, and Midway reporting 86 cancelations, according to the Chicago Department of Aviation.Drivers faced a dangerous Saturday morning commute, with the worst hazards, including ice-covered roads and gusts up to 35 mph, mainly north of I-88, the weather service said.Light to moderate, occasionally heavy, snow will continue this morning.

This lake effect results in much greater snowfall amounts on the southern and eastern shores compared to the northern and western shores of the Great Lakes. newsletter — NWS Chicago (@NWSChicago) March 14, 2017.

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The storm tapered off by noon Saturday, with snow totals reaching the bottom end of the predicted 5 to 9 inches of snowfall, the weather service said.A lakeshore flood warning was in effect until 9 a.m. Sunday, with waves in Lake Michigan possibly reaching 10 feet high, the weather service said. 312-523-5141. clint@lakeeffectbrewing.com

Lake Effect Snow Blankets Chicago, Causing Mess For Roads And Airports Heavy lake effect snow created near-whiteout conditions in part of the Chicago area on Tuesday, threatening to dump up to 10 more inches on top of Monday’s snow. The snow will impact the morning commute. Lake Effect snow occurs when cold air, often originating from Canada, moves across the open waters of the Great Lakes. The longer the fetch, the thicker the clouds grow and the more snow develops downwind. Additional lake effect snow was expected overnight Saturday into Sunday morning as wind chills plunged below zero, according to a Winter Weather Advisory issued Saturday evening. To learn more or opt-out, read our Heavy snow, high winds and frigid temperatures pummeled the Chicago area in the region’s first winter storm of 2019, causing more than 1000 flight cancelations by Saturday afternoon.Friday night’s storm pushed into northern Illinois overnight and dumped 5 inches of snow by noon Saturday at O’Hare International Airport, and 5.3 inches at Midway International Airport, the weather service said. The average width of a lake-effect snow band is about 10 miles, but the length can range from 30 to 250 miles long. As the cold air passes over the unfrozen and relatively warm waters of the Great Lakes, warmth and moisture are transferred into the lowest portion of the atmosphere. If you must travel this morning, please be very careful!

Lake-effect snow caused slippery conditions on some area roadways close to Lake Michigan, leading to multiple accidents like the 40-vehicle … If the air mass does not meet the 23 degree Fahrenheit threshold, the clouds will not be able to absorb enough heat and moisture from the lake to produce enough snow. This is called the fetch. Snow covered roads, with blowing and drifting snow, are creating hazardous driving conditions across IL.

About a foot of snow had fallen in north suburban Waukegan by Tuesday afternoon.Northwest Indiana has been hit hard by the lake effect snow Monday, and Gary is trying to dig out.A major storm on the East Coast has brought travel to a standstill as snow is dumped on New England and New York City.CHICAGO (WLS) -- Snow will continue to fall across the Chicago area as bands of lake effect snow travel over the city and suburbs throughout the evening.Partly sunny and less humid Tuesday, with highs in the low 80s.The East Coast was walloped by a blizzard Tuesday.