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Greybull, Wyoming

Town in Big Horn County, Wyoming

Air quality

The air at Greybull

Index 6, good, led by fine particles. Read at 5 AM from its reporting area, Cody (WY), 50 miles off.

6Good
  • Fine particles (PM2.5)6Good-

The days ahead

Yesterday measured 7, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 12 AM.

FriSat

Precipitation

What has fallen at Greybull

None in the last 3 days, to Fri 4 AM. 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 Greybull, the next 43 hours

Visibility stays 10 miles or more through Sun 12 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Greybull, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now4 instruments

measured daily2 instruments

Greybull 0.3 ENEWY-BH-11

In a volunteer observer's own ground/0.0 mi away/3,788 ft/level with here

precip, snowfall, snow depth

Rank-

Greybull - COOPGBLW4

At a cooperative observer's station/0.5 mi away/3,885 ft/97 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Greybull/South Big Horn Cnty Apt, drawn

The nearest airport reporting now, 2.3 mi from Greybull, Wyoming. From its report of Oct 16, 2026, 4:53 AM 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 Greybull/South Big Horn Cnty Apt, 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 GEYFIG. A THE SKY OVER GREYBULL/SOUTH BIG HORN CNTY APTSECTION, 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 MORE0510TITLEGreybull/South Big Horn Cnty Apt, the skySTATION REPORT · ASOS GEYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GEY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

31.0 F with a dew point of 27.0 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Greybull/South Big Horn Cnty Apt: temperature 31.0 degrees Fahrenheit and dew point 27.0, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEYFIG. B THE AIR AT GREYBULL/SOUTH BIG HORN CNTY APTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 FSATURATES 900 FT ABOVE THE STATION, AT 26.1 FTEMPERATURE 31.0 FDEW POINT 27.0 FSPREAD 4.0 FRELATIVE HUMIDITY 85 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 POINTTITLEGreybull/South Big Horn Cnty Apt, the airSTATION REPORT · ASOS GEYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GEY-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Greybull/South Big Horn Cnty Apt, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEYFIG. C THE WIND AT GREYBULL/SOUTH BIG HORN CNTY APTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreybull/South Big Horn Cnty Apt, the windSTATION REPORT · ASOS GEYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GEY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Greybull/South Big Horn Cnty Apt, 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 Greybull

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

Near Greybull

River and lake gauges