FrostList

Winter Prep Checklist for Janesville, WI

Here's the order to prep Janesville, WI for winter, set by local freeze data. Your first deadline is October 1 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Your winter prep order for Janesville

  1. OctoberOctober 1 — Prevent Frozen PipesSee details →
  2. OctoberOctober 15 — Store Your MotorcycleSee details →
  3. OctoberOctober 16 — Winterize SprinklersSee details →
  4. OctoberOctober 16 — Prevent Ice DamsSee details →
  5. OctoberOctober 16 — Winterize Your RVSee details →
  6. OctoberOctober 19 — Winterize Your BoatSee details →
  7. OctoberOctober 25 — Prep Your Snow BlowerSee details →
  8. OctoberOctober 26 — Test Your Car BatterySee details →
  9. AprilApril 26 — Test Your Sump PumpSee details →

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

How the order is set

Each task is pinned to Janesville'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.

Data: NOAA 1991–2020 normals via Afton - Janesville Wwtp, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.