Census ZIP Code Tabulation Area
Will ZIP 53578 have a white Christmas?
Snow-on-the-ground odds near Prairie du Sac, WI, for December 25, 2026.
The historical picture
The validated 1991–2020 spatial model indicates an estimated 51% chance of at least one inch of snow on the ground at this ZCTA’s Census internal point.
ACS population
6,503
Land area
43.09 sq mi
Nearest station
10 mi
3DEP elevation
817 ft
Climate period
1991–2020
This is a Census ZCTA, not a USPS delivery-route boundary. Its internal point is 2 miles from Prairie du Sac. The estimate retains all four NOAA source stations and their interpolation weights.
Frequently asked questions
- Will ZIP 53578 have a white Christmas?
- Its validated 1991–2020 historical estimate is 51%, or about about 5 years in 10. Inside the forecast window, live ensemble guidance is blended with that history.
- Is this the exact USPS ZIP boundary?
- No. The Census Bureau creates ZIP Code Tabulation Areas to approximate the geography of USPS ZIP Codes. USPS delivery routes can change and do not form a permanent national polygon dataset.