CYKL — Schefferville Airport

fog forecast & climatology · Schefferville city page · full 10-year analysis →
Fog unlikely through Saturday (peak 3%). September typically brings about 2 hours of dense fog here.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
28 h below CAT I minima (2016–2026 average)
Fog season
October and December
Typical fog event
~1 h once it forms (middle half 1–2 h, n=162)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Schefferville Airport spends 28 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in October and December. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~2 hJanFebruary: ~1 hFebMarch: ~2 hMarApril: ~2 hAprMay: ~2 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~2 hAugSeptember: ~2 hSepOctober: ~5 hOctNovember: ~2 hNovDecember: ~4 hDec
Fog season is January, March, April, May, August, September, October, November, December, peaking in October; fog is mostly a 4 AM–9 AM phenomenon; typically thinning out by 2 PM; a typical event lasts about 1 hour once it forms local time · 10-yr average

For flight operations

EFVS crews: the CHASE board ranks airports by live fog status, approach lighting, go-around height and flight time from your base. Forecast probabilities publish here per-airport once the calibrated model beats climatology on live verification — receipts on the scorecard. Methodology.

Sources: NOAA/NWS National Blend of Models guidance · METAR observations 2016–2026 (Iowa Environmental Mesonet) · FAA NASR. Machine access: data.json · llms.txt. Not for operational use.