FrostList

Winter Prep Checklist for Nampa, ID

Here's the order to prep Nampa, ID for winter, set by local freeze data. Your first deadline is September 29 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Your winter prep order for Nampa

  1. SeptemberSeptember 29 — Prevent Frozen PipesSee details →
  2. OctoberOctober 13 — Store Your MotorcycleSee details →
  3. OctoberOctober 15 — Winterize SprinklersSee details →
  4. OctoberOctober 15 — Winterize Your RVSee details →
  5. OctoberOctober 18 — Winterize Your BoatSee details →
  6. OctoberOctober 25 — Test Your Car BatterySee details →
  7. NovemberNovember 15 — Prevent Ice DamsSee details →
  8. NovemberNovember 24 — Prep Your Snow BlowerSee details →
  9. AprilApril 29 — Test Your Sump PumpSee details →

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

How the order is set

Each task is pinned to Nampa'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 Nampa Sugar Factory, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.