Fog in Camp Douglas, WI

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 18 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Volk Field (KVOK). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KVOKVolk Field94 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 Camp Douglas fogs in

Fog here concentrates in August and July — about 94 hours in a typical year at KVOK, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KVOK station page.

Fog season

January: ~5 hJanFebruary: ~6 hFebMarch: ~3 hMarApril: ~4 hAprMay: ~7 hMayJune: ~6 hJunJuly: ~17 hJulAugust: ~18 hAugSeptember: ~14 hSepOctober: ~4 hOctNovember: ~2 hNovDecember: ~9 hDec
Fog season is January, February, May, June, July, August, September, December, peaking in August; fog is mostly a 3 AM–5 AM phenomenon; typically thinning out by 8 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

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