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 Tuesday, July 22, the 203rd day of 2014. There are 162 days left in the year.
1864 -- 150 years ago: Everybody is invited to go on a moonlight excursion next Monday evening on the steamer New Boston. The trip will be from Davenport to Muscatine and back. 1889 -- 125 years ago: The mayor and bridge committee let a contract to the Clinton Bridge company for a $1,125 iron bridge across Sears canal near Milan. 1914 -- 100 years ago: Injunction proceedings to compel the Central Association to keep a baseball team in Rock Island for the remainder of the season were contemplated by some of the Rock Island fans, but they decided to defer action. 1939 -- 75 years ago: The first of the new and more powerful diesel engines built for the Rock Island Lines for the proposed Chicago-Denver run, passed thru the Tri-Cities this morning. 1964 -- 50 years ago: The Rock Island Rescue Mission is negotiating for the purchase of the Prince Hall Masonic Home located at 37th Avenue and 5th Street, Rock Island. 1989 -- 25 years ago: Quad Cities Container Terminal is being lauded as a giant business boon that will save several days and hundreds of dollars on each goods shipment to the coasts. The Quad Cities Container Terminal is the final piece of the puzzle that opens up increase access to world markets, Robert Goldstein said.