Local servicesHospitalJohnson County Healthcare Center13.0 miPost officeStory Post Office5.5 miFire stationStory Volunteer Fire and Rescue5.4 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeSheridan College in Johnson County13.3 miSource: USGS National Structures Dataset
Getting aroundAirportSheridan County Airport SHR20 miInterstateI-903.3 miUS highwayUS 873.3 miCoachBuffaloJefferson Lines14 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 82840 ZIP area.
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Local Information
Distances in these cards are measured from the centre of the 82840 ZIP area.
Daylight through the yearLongest day (Jun 21): 15 h 33 min5:22 am – 8:55 pmShortest day (Dec 21): 8 h 50 min7:40 am – 4:30 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 81°F, lows 53°FColdest month December: highs 37°F, lows 14°F28 in of rain a year, on about 64 dayswettest month May138 in of snow a year, on about 58 days6 days above 90°F, 193 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Story station, 6 mi away
Parks and public landsBighorn National Forestnational forest · 1.2 mi · 1,105,121 acresFort Phil Kearnystate park · 2.3 mi · 697 acresWagon Boxstate park · 4.4 miBud Love Wildlife Habitat Management Areastate conservation land · 4.1 mi · 7,911 acresFetterman Battlefieldstate historic site · 5.1 mi · 468 acresTrail Endstate park · 21.5 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes16 of magnitude 3 or more within 50 miles since 19705 of magnitude 4+, 1 of magnitude 5+Largest: magnitude 5.0 on 29 May 198448 mi away, near Gillette, WyomingMost recent: magnitude 3.3 on 3 Sep 202340 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowJohnson County, WY, compared with all US countiesHighest-rated hazardsWinter weather Relatively ModerateWildfire Relatively LowSource: FEMA National Risk Index (county level)
Air quality93% of days had good air in 2025337 of 363 days measured26 moderate daysMedian index 41, worst day 84main pollutant: ozoneSource: US EPA Air Quality Index, Johnson County monitors, WY
Drinking waterCity of Buffaloserves 4,419 people from surface water6 health-based violations since 2021latest Jul 2024: haloacetic acids (HAA5), maximum contaminant levelSource: US EPA Safe Drinking Water Information System, largest system in the county
Elevation5,340 ft1,628 m above sea levelSource: USGS 3D Elevation Program
