Fog in Iliamna, AK

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 2 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

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

Measuring station

stationairportfog hours/yrforecast
PAILIliamna Airport17 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 Iliamna fogs in

Fog here concentrates in July and February — about 17 hours in a typical year at PAIL, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the PAIL station page.

Fog season

January: ~1 hJanFebruary: ~2 hFebMarch: ~2 hMarApril: ~1 hAprMay: ~0 hMayJune: ~2 hJunJuly: ~3 hJulAugust: ~2 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~1 hNovDecember: ~1 hDec
Fog season is February, March, June, July, August, peaking in July; fog is mostly a 4 AM–8 AM phenomenon; typically thinning out by 1 PM; 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.