{"city":"Walla Walla","region":"US-WA","country":"US","slug":"walla-walla-wa","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"KALW","name":"Walla Walla Regional Airport","subCat1HoursPerYear":159,"forecast":"verifying"}],"primaryStation":"KALW","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. dense fog (visibility under a mile) is rare here in August."},"climatology":{"subCat1HoursPerYear":159,"fogSeasonPeakMonths":["December","January"],"medianEventHours":2,"season":{"summary":"Fog season runs November through February, peaking in December; fog here can hit at any hour of the day; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","November","December"],"timeOfDay":"any hour of the day","typicallyClearsBy":null}},"links":{"page":"https://fogatlas.org/fog/city/walla-walla-wa/","stationPages":["https://fogatlas.org/fog/kalw/"],"verification":"https://fogatlas.org/fog/scorecard/"}}