Fog in Kenosha, WI

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 7 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Kenosha Regional Airport (KENW). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KENWKenosha Regional Airport72 h/yrverifying

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Kenosha fogs in

Fog here concentrates in January and December — about 72 hours in a typical year at KENW, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KENW station page.

Fog season

January: ~12 hJanFebruary: ~6 hFebMarch: ~8 hMarApril: ~3 hAprMay: ~8 hMayJune: ~2 hJunJuly: ~1 hJulAugust: ~7 hAugSeptember: ~9 hSepOctober: ~5 hOctNovember: ~2 hNovDecember: ~10 hDec
Fog season is January, February, March, April, May, August, September, October, December, peaking in January; fog is mostly a midnight–8 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.