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Powder Horn, Wyoming

Community in Sheridan County, Wyoming

Air quality

The air at Powder Horn

Index 14, good, led by fine particles. Read at 9 AM from its reporting area, Sheridan (WY), 7 miles off.

14Good
  • Fine particles (PM2.5)14Good-
  • Coarse particles (PM10)3Good-

The days ahead

Yesterday measured 30, good.

Smoke, the next 46 hours

Little smoke near the ground through Sun 6 AM: the index from smoke stays at 6 or under.

FriSatSun

Precipitation

What has fallen at Powder Horn

None in the last 3 days, to Fri 8 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 Powder Horn, the next 46 hours

Visibility stays 10 miles or more through Sun 6 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Powder Horn, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

measured daily2 instruments

Sheridan 7.0 S (Closed)WY-SH-3

In a volunteer observer's own ground/0.5 mi away/4,140 ft/151 ft above here

precip, snowfall, snow depth

Rank-

Big HornBHRW4

At a cooperative observer's station/1.8 mi away/4,196 ft/207 ft above here

snowfall, snow depth, precip, high, low

Rank17of 971

Station report

The weather at Sheridan Co. Arpt, drawn

The nearest airport reporting now, 5.2 mi from Powder Horn, Wyoming. From its report of Oct 16, 2026, 8:53 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 Sheridan Co. Arpt, 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 SHRFIG. A THE SKY OVER SHERIDAN CO. ARPTSECTION, 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 MORE0510TITLESheridan Co. Arpt, the skySTATION REPORT · ASOS SHRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SHR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

28.0 F with a dew point of 23.0 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up.

Chart of the air at Sheridan Co. Arpt: temperature 28.0 degrees Fahrenheit and dew point 23.0, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SHRFIG. B THE AIR AT SHERIDAN CO. ARPTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00010 F20 F30 F40 FSATURATES 1,100 FT ABOVE THE STATION, AT 21.9 FTEMPERATURE 28.0 FDEW POINT 23.0 FSPREAD 5.0 FRELATIVE HUMIDITY 81 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 POINTTITLESheridan Co. Arpt, the airSTATION REPORT · ASOS SHRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SHR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Sheridan Co. Arpt, 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 SHRFIG. C THE WIND AT SHERIDAN CO. ARPTPLAN, 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 FORCE73TITLESheridan Co. Arpt, the windSTATION REPORT · ASOS SHRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SHR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Sheridan Co. Arpt, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Big Horn (BHRW4), 1.8 miles from here, read 16 Oct, 08:00. measured daily

Elsewhere in Wyoming

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

Near Powder Horn

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

Near Powder Horn

River and lake gauges