KOWD — Norwood Memorial Airport

fog forecast & climatology · Norwood city page · full 10-year analysis →
No fog signal in NWS guidance for the next 48 hours. September typically brings about 15 hours of dense fog here.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
92 h below CAT I minima (2016–2026 average)
Fog season
September and October
Typical fog event
~1 h once it forms (middle half 1–2 h, n=592)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Norwood Memorial Airport spends 92 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in September and October. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~4 hJanFebruary: ~5 hFebMarch: ~5 hMarApril: ~4 hAprMay: ~4 hMayJune: ~8 hJunJuly: ~9 hJulAugust: ~13 hAugSeptember: ~15 hSepOctober: ~15 hOctNovember: ~4 hNovDecember: ~7 hDec
Fog season is year-round, peaking in September; fog is mostly a midnight–5 AM phenomenon; typically thinning out by 7 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

Runway infrastructure

endapproach lightsbest approachlengthRVR
103,995 ft
283,995 ft
174,007 ft
35MALSFLPV4,007 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.