{"icao":"KRAP","name":"Rapid City Regional Airport","lat":44.0453,"lon":-103.057,"country":"US","tz":"America/Denver","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":63,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["March","January"],"monthlyHours":[11,7,11,4,4,1,3,3,3,6,3,8],"medianEventHours":1,"season":{"summary":"Fog season runs July through May, peaking in January; fog is mostly a 2 AM\u20139 AM phenomenon; typically thinning out by noon; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","May","July","August","September","October","November","December"],"timeOfDay":"2 AM\u20139 AM","typicallyClearsBy":"noon"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":0,"peakAtLocal":"2026-09-04T08:00:00-06:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 0%. September typically brings about 3 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/krap/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KRAP","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KRAP.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}