FrostList

Winter Prep Checklist for Fort Collins, CO

Here's the order to prep Fort Collins, CO for winter, set by local freeze data. Your first deadline is September 15 — prevent ice dams — and the sequence runs through the cold season into spring below.

Snow-covered home during a hard winter — the Fort Collins, CO winter-prep checklist ordered by local freeze dates
Photo: Unsplash

Your winter prep order for Fort Collins

  1. SeptemberSeptember 15 — Prevent Ice DamsSee details →
  2. SeptemberSeptember 24 — Prevent Frozen PipesSee details →
  3. SeptemberSeptember 24 — Prep Your Snow BlowerSee details →
  4. OctoberOctober 7 — Winterize SprinklersSee details →
  5. OctoberOctober 7 — Winterize Your RVSee details →
  6. OctoberOctober 7 — Store Your MotorcycleSee details →
  7. OctoberOctober 10 — Winterize Your BoatSee details →
  8. OctoberOctober 17 — Test Your Car BatterySee details →
  9. MayMay 2 — Test Your Sump PumpSee details →
OctNovDecJanFebMarAprMayIce damsSep 15Frozen pipesSep 24Snow blowerSep 24SprinklersOct 7RVOct 7MotorcycleOct 7BoatOct 10Car batteryOct 17Sump pumpMay 2

All nine Fort Collins deadlines, from NOAA Colorado freeze and snowfall normals, plotted across the season.

Dates are local deadlines derived from NOAA 1991–2020 freeze and snowfall normals for Fort Collins. Live outlooks on each linked page can move the urgency earlier.

How the order is set

Each task is pinned to Fort Collins's own NOAA 1991–2020 freeze and snowfall normals, then ordered by its local deadline. Sprinklers, RVs, and boats key off the first 28°F freeze; pipes and motorcycles off the first freezing night; snow blowers and roofs off the first plowable snow. Follow any link for the live outlook and a checklist. Helping family or friends nearby? Compare the full winter checklist for Denver and Grand Junction.

Winter prep in Fort Collins: related searches

This page answers the questions Fort Collins homeowners search every fall: when to winterize sprinklers in Fort Collins, when the first freeze usually hits Colorado, when to blow out irrigation lines, protect pipes, and get the snow blower serviced — all from the nearest NOAA station, not a national average.

first freeze date Fort Collinswinterization checklist Fort Collinssprinkler blowout Fort Collinsfrozen pipes Coloradohard freeze vs light frostNOAA freeze normalswinter prep orderwhen to winterize

Data: NOAA 1991–2020 normals via Ft Collins, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 25, 2026.