KAWO — Arlington Municipal Airport

fog forecast & climatology · Arlington city page · full 10-year analysis →
Fog unlikely through Saturday (peak 9%). September typically brings about 17 hours of dense fog here.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
154 h below CAT I minima (2016–2026 average)
Fog season
October and December
Typical fog event
~1 h once it forms (middle half 1–3 h, n=676)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Arlington Municipal Airport spends 154 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: ~26 hJanFebruary: ~15 hFebMarch: ~5 hMarApril: ~2 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~2 hJulAugust: ~4 hAugSeptember: ~17 hSepOctober: ~34 hOctNovember: ~18 hNovDecember: ~30 hDec
Fog season runs September through February, peaking in October; fog is mostly a 10 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
113,498 ft
293,498 ft
165,332 ft
34MALSLPV5,332 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.