{"icao":"KBIL","name":"Billings Logan International Airport","lat":45.8089,"lon":-108.5412,"country":"US","tz":"America/Denver","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":46,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["March","December"],"monthlyHours":[5,2,10,3,4,1,0,0,3,3,7,8],"medianEventHours":1,"season":{"summary":"Fog season is January, March, April, May, September, October, November, December, peaking in March; fog is mostly a 10 PM\u20139 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","March","April","May","September","October","November","December"],"timeOfDay":"10 PM\u20139 AM","typicallyClearsBy":"11 AM"}},"forecast":{"covered":true,"public":false,"cycle":"2026-09-04T13:00:00Z","guidanceSignal":false,"wording":"No fog signal in NWS guidance for the next 48 hours. September typically brings about 3 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kbil/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KBIL","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KBIL.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}