White Christmas
Will Fort Thompson, SD have a white Christmas?
Fort Thompson, South Dakota had snow on the ground on Christmas morning in 10 of the 20 Christmases measured from 1996 to 2025. The last white Christmas there was in 2014. A coin flip.
Measured at Kennebec, 24 miles southwest of Fort Thompson. 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 Fort Thompson starts on this page on December 18.