{"icao":"CYIV","name":"Island Lake Airport","lat":53.8572,"lon":-94.6536,"country":"CA","tz":"America/Winnipeg","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":15,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["October","September"],"monthlyHours":[1,2,2,1,1,0,1,1,2,2,1,1],"medianEventHours":1,"season":{"summary":"Fog season is February, March, September, October, peaking in February; fog is mostly a 4 AM\u20139 AM phenomenon; typically thinning out by noon; a typical event lasts about 1 hour (local time, 10-year average).","months":["February","March","September","October"],"timeOfDay":"4 AM\u20139 AM","typicallyClearsBy":"noon"}},"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 2 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cyiv/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYIV","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYIV.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}