{"icao":"KMCK","name":"McCook Ben Nelson Regional Airport","lat":40.2078,"lon":-100.5928,"country":"US","tz":"America/Chicago","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":56,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","February"],"monthlyHours":[11,7,7,2,2,1,3,5,3,4,6,6],"medianEventHours":2,"season":{"summary":"Fog season runs July through March, peaking in January; fog is mostly a 3 AM\u20139 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","July","August","September","October","November","December"],"timeOfDay":"3 AM\u20139 AM","typicallyClearsBy":"11 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":1,"peakAtLocal":"2026-09-05T05:00:00-05:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 1%. September typically brings about 3 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kmck/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KMCK","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KMCK.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}