{"icao":"CYWG","name":"Winnipeg / James Armstrong Richardson International Airport","lat":49.91,"lon":-97.2399,"country":"CA","tz":"America/Winnipeg","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":31,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","January"],"monthlyHours":[5,3,3,2,1,1,0,1,1,2,4,7],"medianEventHours":1,"season":{"summary":"Fog season runs October through April, peaking in December; fog is mostly a 8 AM\u201310 AM phenomenon; typically thinning out by 1 PM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","October","November","December"],"timeOfDay":"8 AM\u201310 AM","typicallyClearsBy":"1 PM"}},"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 1 hour of dense fog here."},"links":{"page":"https://fogatlas.org/fog/cywg/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=CYWG","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/CYWG.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}