{"icao":"KFRI","name":"Marshall Army Air Field","lat":39.053,"lon":-96.7642,"country":"US","tz":"America/Chicago","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":22,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","January"],"monthlyHours":[5,2,1,1,2,1,0,1,1,2,1,6],"medianEventHours":1,"season":{"summary":"Fog season is January, February, May, October, December, peaking in December; fog is mostly a 2 AM\u20138 AM phenomenon; typically thinning out by 11 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","May","October","December"],"timeOfDay":"2 AM\u20138 AM","typicallyClearsBy":"11 AM"}},"forecast":{"covered":true,"public":true,"cycle":"2026-09-04T13:00:00Z","peakPct":0,"peakAtLocal":"2026-09-04T09:00:00-05:00","wording":"No, fog is unlikely in the next 36 hours \u2014 the calibrated forecast peaks at just 0%. September typically brings about 1 hour of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kfri/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KFRI","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KFRI.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}