By around 9:30 a.m., live Illinois Doppler radar snow had become more widespread, with snow across Central Cook and DuPage ... a winter weather advisory was set to go into effect at 10 a.m ...
A winter storm watch was expected in central Illinois starting ... Be prepared for whatever is in the Illinois weather forecast with live doppler radar from the National Weather Service below.
The National Weather Service's 148 WSR-88D Doppler ... of the south-central U.S. may be covered by such echoes. Finally, aircraft often appear as "point targets" far from the radar.