Ice Dam Prevention in Wyoming

In Wyoming, local ice dams deadlines run from Aug 16 to Sep 15, with a median around Sep 15 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.

Icicles forming along a snowy roof edge — an early warning sign of ice dams backing water under the shingles — Wyoming deadlines city by city — Photo: Valeria Boltneva / Pexels

Jump to a city

Notable cities

All Wyoming cities

City	Local deadline	Median first 28°F
Casper	Aug 16	Oct 6	View →	Checklist
Cheyenne	Sep 15	Oct 10	View →	Checklist

Local ice dam prevention deadlines for Wyoming cities — built from each city’s own NOAA station, not one statewide date.

Ice Dam Prevention in Wyoming: related searches

Wyoming homeowners search for: ice dam removal cost, ice dam steaming, and "ice dam prevention near me" — every city page below answers those with local NOAA dates.

ice dam removal costice dam steamingroof rake for snow removalattic air sealingattic insulation R-valueheat cable for roofcalcium chloride sock ice damice and water shield

Back to the national Ice Dam Prevention guide, or see the methodology. You can also compare how the ice dam prevention window shifts in Wisconsin and Alaska.

Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 25, 2026.