FrostList

Winter Prep Checklist for St. Louis, MO

Here's the order to prep St. Louis, MO for winter, set by local freeze data. Your first deadline is October 24 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Snow-covered home during a hard winter — the St. Louis, MO winter-prep checklist ordered by local freeze dates
Photo: Unsplash

Your winter prep order for St. Louis

  1. OctoberOctober 24 — Prevent Frozen PipesSee details →
  2. NovemberNovember 4 — Store Your MotorcycleSee details →
  3. NovemberNovember 5 — Winterize SprinklersSee details →
  4. NovemberNovember 5 — Winterize Your RVSee details →
  5. NovemberNovember 8 — Winterize Your BoatSee details →
  6. NovemberNovember 15 — Prevent Ice DamsSee details →
  7. NovemberNovember 15 — Test Your Car BatterySee details →
  8. NovemberNovember 24 — Prep Your Snow BlowerSee details →
  9. AprilApril 1 — Test Your Sump PumpSee details →
NovDecJanFebMarAprFrozen pipesOct 24MotorcycleNov 4SprinklersNov 5RVNov 5BoatNov 8Ice damsNov 15Car batteryNov 15Snow blowerNov 24Sump pumpApr 1

All nine St. Louis deadlines, from NOAA Missouri freeze and snowfall normals, plotted across the season.

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

How the order is set

Each task is pinned to St. Louis'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 St. Joseph and St. Peters.

Winter prep in St. Louis: related searches

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

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