Fog in Revelstoke, BC

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 12 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Revelstoke Airport (CYRV). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
CYRVRevelstoke Airport206 h/yrverifying

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Revelstoke fogs in

Fog here concentrates in October and February — about 206 hours in a typical year at CYRV, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYRV station page.

Fog season

January: ~29 hJanFebruary: ~31 hFebMarch: ~29 hMarApril: ~8 hAprMay: ~1 hMayJune: ~2 hJunJuly: ~3 hJulAugust: ~12 hAugSeptember: ~31 hSepOctober: ~45 hOctNovember: ~10 hNovDecember: ~10 hDec
Fog season is January, February, March, August, September, October, peaking in October; fog is mostly a 2 AM–9 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.