{"icao":"KVOK","name":"Volk Field","lat":43.939,"lon":-90.2534,"country":"US","tz":"America/Chicago","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":94,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["August","July"],"monthlyHours":[5,6,3,4,7,6,17,18,14,4,2,9],"medianEventHours":1,"season":{"summary":"Fog season is January, February, May, June, July, August, September, December, peaking in August; fog is mostly a 3 AM\u20135 AM phenomenon; typically thinning out by 8 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","May","June","July","August","September","December"],"timeOfDay":"3 AM\u20135 AM","typicallyClearsBy":"8 AM"}},"forecast":{"covered":true,"public":false,"cycle":"2026-09-04T13:00:00Z","guidanceSignal":true,"wording":"NWS guidance shows a fog signal here in the next 48 hours. This station's calibrated percentages publish after live verification clears the accuracy bar. September typically brings about 14 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kvok/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KVOK","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KVOK.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}