Fewer than 500 MidAmerican customers still were without power at 4:45 p.m. - 147 in Moline, 138 in Cordova, 65 in Rock Island County, 49 in Henry County and 25 in Rock Island County.
There are scattered outages in the single digits in Colona, Hampton, East Moline, Rock Island and Silvis.
The snow started in the Illinois Quad-Cities shortly before 11 a.m., and a blizzard warning is in effect for the area until midnight, according to the National Weather Service Quad Cities.
The snow is expected to be heavy and wet and continue through late afternoon, with a total accumulation of four to eight inches, according to the NWS' winter warning online at crh.noaa.gov/dvn/.
Many minor accidents have been reported. Because of the initial warm pavement temperatures, roads may become icy, according to the NWS.
Heavy snow and high winds could reduce visibility to zero at times, and travel in rural areas could become very dangerous, the NWS states.
Winds are picking up and were expected to be 30 to 40 mph by mid-morning. Gusts up to 55 mph are possible from late morning through the afternoon. Winds are expected to be about 30 to 35 mph through late evening, according to the NWS.
Temperatures will fall into the 20s and wind chills will drop it into the single digits this evening.
The NWS encourages people to stay home. If an emergency requires driving, the NWS recommends taking a winter survival kit and staying with your vehicle until help arrives if you become stranded.
Most Illinois and Iowa Quad-City rural school districts canceled classes today, as did the Davenport, Bettendorf and Pleasant Valley school districts.
The NWS said 8 to 15 inches of snow are expected across portions of east central Iowa into far northwest Illinois.
The weather system was affecting more than the Midwest and disrupting travel plans. According to the Quad City International Airport website, qcairport.com, by 9 a.m. eight flights had been canceled to Atlanta, GA; Dallas, TX; and Detroit, MI.
Today is Friday, Dec. 13, the 347th day of 2013. There are 18 days left in the year. 1863 -- 150 years ago: Merry sleigh bells jingle in our streets in the wake of a driving northwest storm of snow and rain. 1888 -- 125 years ago: Thomas Campbell was elected commander of John Buford Post 243, Grand Army of the Republic. 1913 -- 100 years ago: Thomas B. Reidy was named consul of C.W. Hawes Camp No. 1550, and L.H. Eihl was named consul of Camp 29, Modern Woodmen of America. 1938 -- 75 years ago: Rock Island aldermen last night upheld the view of a petition signed by 150 businessmen that the city should not install parking meters. 1963 -- 50 years ago: Total volume during the Christmas mailing season may reach 12 million pieces in Rock Island, according to Rock Island Postmaster Carl J.L. Wessel. 1988 -- 25 years ago: The aromas filling the air at the Rock Island Lines depot in Rock Island soon will be prime rib and roast duck rather than sawdust and plaster. A tourist train will be offering dinner excursions in mid-February or early March, according to Dan Carmody, executive director of the Development Association of Rock Island.