ESOK — Karlstad Airport

fog forecast & climatology · Karlstad city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 41 hours of dense fog here (10-year average).

Fog hours per year
344 h below CAT I minima (2016–2026 average)
Fog season
January and December
Typical fog event
~2 h once it forms (middle half 1–4 h, n=1162)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Karlstad Airport spends 344 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in January and December. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~53 hJanFebruary: ~39 hFebMarch: ~39 hMarApril: ~13 hAprMay: ~10 hMayJune: ~6 hJunJuly: ~9 hJulAugust: ~18 hAugSeptember: ~41 hSepOctober: ~27 hOctNovember: ~41 hNovDecember: ~52 hDec
Fog season runs August through March, peaking in January; fog is mostly a 9 PM–9 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours 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.