{"city":"Peoria","region":"US-IL","country":"US","slug":"peoria-il","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"KPIA","name":"General Wayne A. Downing Peoria International Airport","subCat1HoursPerYear":41,"forecast":"verifying"}],"primaryStation":"KPIA","forecast":{"covered":true,"public":false,"cycle":"2026-08-16T00:00:00Z","guidanceSignal":false,"wording":"No fog signal in NWS guidance for the next 48 hours. August typically brings about 1 hour of dense fog here."},"climatology":{"subCat1HoursPerYear":41,"fogSeasonPeakMonths":["January","February"],"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"}},"links":{"page":"https://fogatlas.org/fog/city/peoria-il/","stationPages":["https://fogatlas.org/fog/kpia/"],"verification":"https://fogatlas.org/fog/scorecard/"}}