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Little America, Wyoming

Community in Sweetwater County, Wyoming

Air quality

The air at Little America

Index 39, good, led by ozone. Read at 5 PM from its reporting area, Moxa Arch (WY), 14 miles off.

39Good
  • Ozone39Good-
  • Coarse particles (PM10)3Good-

The days ahead

Yesterday measured 34, good.

Smoke, the next 43 hours

No smoke near the ground through Tue 12 PM.

SunMonTue

Precipitation

What has fallen at Little America

None in the last 3 days, to Sun 5 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Little America, the next 43 hours

Visibility stays 10 miles or more through Tue 12 PM.

SunMonTue

On the radar over Little America, WyomingReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Little America, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.2 miles away.

measured now4 instruments

Fort BridgerFBR

At an airfield/31.0 mi away/7,023 ft/612 ft above here

temp, wind, gust, visibility, precip, pressure

Rank131of 951

measured daily2 instruments

Granger 0.1 SSWWY-SW-2

In a volunteer observer's own ground/7.2 mi away/6,276 ft/135 ft below here

precip, snowfall, snow depth

Rank-

Church Buttes Gas PlantGGRW4

At a cooperative observer's station/16.2 mi away/7,077 ft/666 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fort Bridger, drawn

The nearest airport reporting now, 31.0 mi from Little America, Wyoming. From its report of Oct 18, 2026, 6:15 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Fort Bridger, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FBRFIG. A THE SKY OVER FORT BRIDGERSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFort Bridger, the skySTATION REPORT · ASOS FBRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-19IDSR-FBR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

60.0 F with a dew point of 18.3 F, 20 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 9,300 ft up.

Chart of the air at Fort Bridger: temperature 60.0 degrees Fahrenheit and dew point 18.3, 20 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 9,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FBRFIG. B THE AIR AT FORT BRIDGERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,0000 F20 F40 F60 FSATURATES 9,300 FT ABOVE THE STATION, AT 10.2 FTEMPERATURE 60.0 FDEW POINT 18.3 FSPREAD 41.7 FRELATIVE HUMIDITY 20 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEFort Bridger, the airSTATION REPORT · ASOS FBRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-19IDSR-FBR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Fort Bridger, north up: blowing from 140 degrees, the southeast, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FBRFIG. C THE WIND AT FORT BRIDGERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Bridger, the windSTATION REPORT · ASOS FBRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-19IDSR-FBR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fort Bridger, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Wyoming

20 places, each with its own forecast and its own instruments.

Near Little America

The nearest places, each with its own forecast and the instruments nearest it.

Near Little America

River and lake gauges