Census ZIP Code Tabulation Area
Will ZIP 66221 have a white Christmas?
Snow-on-the-ground odds near Overland Park, KS, for December 25, 2026.
The historical picture
The validated 1991–2020 spatial model indicates an estimated 17% chance of at least one inch of snow on the ground at this ZCTA’s Census internal point.
ACS population
25,550
Land area
12.13 sq mi
Nearest station
18 mi
3DEP elevation
1,073 ft
Climate period
1991–2020
This is a Census ZCTA, not a USPS delivery-route boundary. Its internal point is 3 miles from Overland Park. The estimate retains all four NOAA source stations and their interpolation weights.
Frequently asked questions
- Will ZIP 66221 have a white Christmas?
- Its validated 1991–2020 historical estimate is 17%, or about about 2 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.