White Christmas
Will Mason City, IA have a white Christmas?
Mason City, Iowa had snow on the ground on Christmas morning in 17 of the 29 Christmases measured from 1996 to 2025. The last white Christmas there was in 2025. A coin flip.
Measured at Mason City, under a mile away of Mason City. 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 Mason City starts on this page on December 18.