Census ZIP Code Tabulation Area

Will ZIP 82701 have a white Christmas?

Snow-on-the-ground odds near Newcastle, WY, for December 25, 2026.

The historical picture

The validated 1991–2020 spatial model indicates an estimated 48% chance of at least one inch of snow on the ground at this ZCTA’s Census internal point.

ACS population

5,459

Land area

1,798.49 sq mi

Nearest station

17 mi

3DEP elevation

4,163 ft

Climate period

1991–2020

This is a Census ZCTA, not a USPS delivery-route boundary. Its internal point is 17 miles from Newcastle. The estimate retains all four NOAA source stations and their interpolation weights. This ZCTA crosses a state line; Wyoming is shown because it contains the largest share of its land area.

Frequently asked questions

Will ZIP 82701 have a white Christmas?
Its validated 1991–2020 historical estimate is 48%, 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.