{"city":"Cheyenne","region":"US-WY","country":"US","slug":"cheyenne-wy","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"KCYS","name":"Cheyenne Regional Jerry Olson Field","subCat1HoursPerYear":48,"forecast":"verifying"}],"primaryStation":"KCYS","forecast":{"covered":true,"public":false,"cycle":"2026-08-16T00:00:00Z","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. August typically brings about 2 hours of dense fog here."},"climatology":{"subCat1HoursPerYear":48,"fogSeasonPeakMonths":["March","May"],"medianEventHours":1,"season":{"summary":"Fog season runs August through May, peaking in March; fog is mostly a 2 AM\u20138 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","May","August","September","October","November","December"],"timeOfDay":"2 AM\u20138 AM","typicallyClearsBy":"1 PM"}},"links":{"page":"https://fogatlas.org/fog/city/cheyenne-wy/","stationPages":["https://fogatlas.org/fog/kcys/"],"verification":"https://fogatlas.org/fog/scorecard/"}}