White Christmas
Will Harrisburg, IL have a white Christmas?
Harrisburg, Illinois had snow on the ground on Christmas morning in 2 of the 22 Christmases measured from 1996 to 2025. The last white Christmas there was in 2010. Rarely.
Measured at Elizabethtown, 24 miles southeast of Harrisburg. A white Christmas is an inch or more of snow on the ground at the Christmas morning reading, the line NOAA uses, counted from the station's own daily record.
The forecast for Christmas morning in Harrisburg starts on this page on December 18.