At least 22 people have died in ice storms in parts of the US. BBC News website readers have been sending in pictures. Fallen trees in Norman, Oklahoma, from Matt Hills.
Oklahoma, and Missouri have been worst hit so far. More ice storms are forecast for areas including Iowa and Illinois. Jay Rawal sent this picture of trees in Kansas.
At least 800,000 people are without electricity, as icy winds have brought down trees and power lines. Adam Weston sent in this picture from the University of Oklahoma campus.
The storm has shut down many schools, businesses, roads and airports. Looking outside from the bedroom window, in Oklahoma. Sent in by Emily Janssen.
Grounded flights have even affected the campaign plans of several presidential candidates. Rain turns to freezing rain, in Topeka, Kansas, sent in by Andrei Firtich.
A tree damaged by the ice in Norman, Oklahoma. Sent in by Buki Wilson.
Ice freezes the trees in Norman, Oklahoma. Sent in by Matthew Lewis.
Ice on the garden flowers, Oklahoma City. Sent in by Seth McNayr.
Christmas decoration with extra ice, Oklahoma. Sent in by Buki Wilson. Send your images to email@example.com. For terms and conditions see right hand side.