{"icao":"KFHU","name":"Sierra Vista Municipal Airport / Libby Army Air Field","lat":31.5874,"lon":-110.3482,"country":"US","tz":"America/Phoenix","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":3,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["February","December"],"monthlyHours":[1,1,0,0,0,0,0,0,0,0,0,1],"medianEventHours":1,"season":{"summary":"Sierra Vista Municipal Airport / Libby Army Air Field has no real fog season \u2014 dense fog is rare in every month (under 2 hours even in the peak month).","months":[],"timeOfDay":null,"typicallyClearsBy":null}},"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. dense fog (visibility under a mile) is rare here in September."},"links":{"page":"https://fogatlas.org/fog/kfhu/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KFHU","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KFHU.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}