KIND — Indianapolis International Airport

fog forecast & climatology · Indianapolis 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
31 h below CAT I minima (2016–2026 average)
Fog season
January and February
Typical fog event
~2 h once it forms (middle half 1–3 h, n=120)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Indianapolis International Airport spends 31 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in January and February. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~7 hJanFebruary: ~4 hFebMarch: ~4 hMarApril: ~1 hAprMay: ~1 hMayJune: ~1 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~3 hSepOctober: ~2 hOctNovember: ~2 hNovDecember: ~5 hDec
Fog season runs September through March, peaking in January; fog is mostly a 1 AM–10 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours once it forms local time · 10-yr average

Runway infrastructure

endapproach lightsbest approachlengthRVR
05LALSF-2CAT IIIB11,200 ftRVR
23RMALSRCAT I11,200 ftRVR
05RALSF-2CAT III10,000 ftRVR
23LMALSRCAT I10,000 ftRVR
14MALSRCAT I7,278 ftRVR
32MALSRCAT I7,278 ftRVR

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.