White Christmas
Will Sister Bay, WI have a white Christmas?
Sister Bay, Wisconsin had snow on the ground on Christmas morning in 15 of the 24 Christmases measured from 1996 to 2025. The last white Christmas there was in 2024. Most years.
Measured at Washington Is, 16 miles northeast of Sister Bay. 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 Sister Bay starts on this page on December 18.