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Arvada, Wyoming

Community in Sheridan County, Wyoming

Air quality

The air at Arvada

Index 31, good, led by ozone. Read at 11 PM from its reporting area, Gillette (WY), 40 miles off.

31Good
  • Fine particles (PM2.5)17Good-
  • Ozone31Good-
  • Coarse particles (PM10)14Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Arvada

None in the last 3 days, to Thu 11 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 Arvada, the next 43 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Arvada, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.

measured now4 instruments

Echeta RAWSECEW4

A remote fire weather station/19.2 mi away/4,367 ft/704 ft above here

temp, wind, gust, humidity, pressure

Rank158of 971

measured daily2 instruments

Arvada 3.0 ESEWY-SH-74

In a volunteer observer's own ground/3.0 mi away/3,907 ft/244 ft above here

precip, snowfall, snow depth

Rank694of 971

Leiter 9NLTRW4

At a cooperative observer's station/15.6 mi away/4,022 ft/359 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Buffalo/Johnson County, drawn

The nearest airport reporting now, 34.6 mi from Arvada, Wyoming. From its report of Oct 15, 2026, 11:53 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 Buffalo/Johnson County, 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 BYGFIG. A THE SKY OVER BUFFALO/JOHNSON COUNTYSECTION, 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 MORE0510TITLEBuffalo/Johnson County, the skySTATION REPORT · ASOS BYGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BYG-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

33.0 F with a dew point of 20.0 F, 58 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up.

Chart of the air at Buffalo/Johnson County: temperature 33.0 degrees Fahrenheit and dew point 20.0, 58 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BYGFIG. B THE AIR AT BUFFALO/JOHNSON COUNTYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00010 F20 F30 F40 FSATURATES 2,900 FT ABOVE THE STATION, AT 17.3 FTEMPERATURE 33.0 FDEW POINT 20.0 FSPREAD 13.0 FRELATIVE HUMIDITY 58 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 POINTTITLEBuffalo/Johnson County, the airSTATION REPORT · ASOS BYGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BYG-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 55 mph.

Plan of the wind at Buffalo/Johnson County, north up: blowing from 340 degrees, the north northwest, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BYGFIG. C THE WIND AT BUFFALO/JOHNSON COUNTYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBuffalo/Johnson County, the windSTATION REPORT · ASOS BYGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BYG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Buffalo/Johnson County, 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 Arvada

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

Near Arvada

River and lake gauges