KEVV — Evansville Regional Airport

fog forecast & climatology · Evansville city page · full 10-year analysis →
No fog signal in NWS guidance for the next 48 hours. September typically brings about 3 hours of dense fog here.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
29 h below CAT I minima (2016–2026 average)
Fog season
February and December
Typical fog event
~1 h once it forms (middle half 1–3 h, n=140)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Evansville Regional Airport spends 29 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in February and December. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~5 hJanFebruary: ~5 hFebMarch: ~3 hMarApril: ~1 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~3 hSepOctober: ~1 hOctNovember: ~2 hNovDecember: ~5 hDec
Fog season is January, February, March, May, September, November, December, peaking in January; fog is mostly a 11 PM–8 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

Runway infrastructure

endapproach lightsbest approachlengthRVR
04—CAT I8,021 ftRVR
22MALSRCAT I8,021 ftRVR
09——3,497 ft—
27——3,497 ft—
18—LPV6,286 ft—
36—LPV6,286 ft—

From FAA NASR / curated AIP Canada research. Approach-light class and minima tier drive how low an approach can be flown — details in the chase board.

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.