{"city":"Sion","region":"CH-VS","country":"CH","slug":"sion","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"LSGS","name":"Sion Airport","subCat1HoursPerYear":20,"forecast":"climatology"}],"primaryStation":"LSGS","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average)."},"climatology":{"subCat1HoursPerYear":20,"fogSeasonPeakMonths":["December","January"],"medianEventHours":1,"season":{"summary":"Fog season runs November through January, peaking in December; fog is mostly a 11 PM\u201311 AM phenomenon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","November","December"],"timeOfDay":"11 PM\u201311 AM","typicallyClearsBy":null}},"links":{"page":"https://fogatlas.org/fog/city/sion/","stationPages":["https://fogatlas.org/fog/lsgs/"],"verification":"https://fogatlas.org/fog/scorecard/"}}