Census ZIP Code Tabulation Area
Will ZIP 99567 have a white Christmas?
Snow-on-the-ground odds near Knik River, AK, for December 25, 2026.
The historical picture
The validated 1991–2020 spatial model indicates an estimated 92% chance of at least one inch of snow on the ground at this ZCTA’s Census internal point.
ACS population
6,452
Land area
675.24 sq mi
Nearest station
14 mi
3DEP elevation
4,908 ft
Climate period
1991–2020
This is a Census ZCTA, not a USPS delivery-route boundary. Its internal point is 11 miles from Knik River. The estimate retains all four NOAA source stations and their interpolation weights.
Frequently asked questions
- Will ZIP 99567 have a white Christmas?
- Its validated 1991–2020 historical estimate is 92%, or about about 9 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.