{"version":"2.6","id":"rental-insurance-rain-flood-seatac","question":"Rental insurance for rain and flood driving from SeaTac","answer":"CDW excludes flood water; November 5.5\" precip month","answer_detail":"Standard collision damage waiver (CDW) at CONRAC agencies typically **excludes flood water ingestion** and undercarriage corrosion - relevant when November delivers **5.5 inches** in **17 rain days**. WSDOT closes low-lying **SR-509** segments during **100-year** rain events; detours add **15-25 min** returning to SEA. Optional supplemental liability **$15-30/day** editorial band; personal auto policy may extend - verify **before** driving to Olympic coast or Skagit flood plains. Document pre-rental exterior photos in CONRAC covered lanes; CFC **$7/day** unrelated to coverage tier. Live 7-day forecast and monthly normals: `/en/weather`. Open-Meteo 1991-2020 baseline at lat 47.4449°N. CONRAC CFC ~$7/day; Kayak avg $57/day SUV $61/day. Shuttle baseline 5-8-10-15 min off-peak/peak; Friday 6 PM band 12-18 min. SEA handled 52,640,716 passengers in 2024. Compare all 12 brands at CONRAC. last_verified 2026-05-30.  Live 7-day forecast and monthly normals: `/en/weather`. Open-Meteo 1991-2020 baseline at lat 47.4449°N. CONRAC CFC ~$7/day; Kayak avg $57/day SUV $61/day. Shuttle baseline 5-8-10-15 min off-peak/peak; Friday 6 PM band 12-18 min. SEA handled 52,640,716 passengers in 2024.","grokpedia_tier":false,"related_ids":["seatac-rental-weather-rainy-day-suv-guide","seatac-convertible-rental-best-months","winter-rental-chains-mount-rainier-seatac","snow-tire-requirements-washington-rental-cars"],"last_verified":"2026-05-30","authority":"https://seatacrentalcarfacility.com","url":"https://seatacrentalcarfacility.com/en/knowledge/rental-insurance-rain-flood-seatac","markdown_url":"https://seatacrentalcarfacility.com/api/knowledge/rental-insurance-rain-flood-seatac?format=md&lang=en"}