{"icao":"KPIA","name":"General Wayne A. Downing Peoria International Airport","lat":40.6638,"lon":-89.6926,"country":"US","tz":"America/Chicago","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":41,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["January","February"],"monthlyHours":[12,7,3,1,3,1,1,1,2,1,4,5],"medianEventHours":2,"season":{"summary":"Fog season is January, February, March, May, November, December, peaking in January; fog is mostly a 5 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","May","November","December"],"timeOfDay":"5 AM\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 2 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kpia/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KPIA","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KPIA.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}