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Lodge Grass, Montana

Town in Big Horn County, Montana

Air quality

The air at Lodge Grass

Index 15, good, led by fine particles. Read at 10 AM from its reporting area, Sheridan (WY), 41 miles off.

15Good
  • Fine particles (PM2.5)15Good-
  • Coarse particles (PM10)5Good-

The days ahead

Yesterday measured 30, good.

Smoke, the next 45 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 Lodge Grass

None in the last 3 days, to Fri 9 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 Lodge Grass, the next 45 hours

Visibility stays 10 miles or more through Sun 6 AM.

FriSatSun

On the radar over Lodge Grass, MontanaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Lodge Grass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.5 miles away.

measured now3 instruments

measured daily2 instruments

Yellowtail DamBHRM8

At a dam/27.8 mi away/3,274 ft/108 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Big Horn County, drawn

The nearest airport reporting now, 33.0 mi from Lodge Grass, Montana. From its report of Oct 16, 2026, 10:15 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 Big Horn 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 00UFIG. A THE SKY OVER BIG HORN 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 MORE0510TITLEBig Horn County, the skySTATION REPORT · ASOS 00UTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-00U-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

37.4 F with a dew point of 28.4 F, 70 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,000 ft up.

Chart of the air at Big Horn County: temperature 37.4 degrees Fahrenheit and dew point 28.4, 70 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 00UFIG. B THE AIR AT BIG HORN 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 STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 2,000 FT ABOVE THE STATION, AT 26.5 FTEMPERATURE 37.4 FDEW POINT 28.4 FSPREAD 9.0 FRELATIVE HUMIDITY 70 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 POINTTITLEBig Horn County, the airSTATION REPORT · ASOS 00UTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-00U-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Big Horn County, 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 00UFIG. C THE WIND AT BIG HORN COUNTYPLAN, 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 FORCE73TITLEBig Horn County, the windSTATION REPORT · ASOS 00UTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-00U-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Big Horn County, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Yellowtail Dam (BHRM8), 27.8 miles from here, read 7 Oct, 07:15. measured daily

Elsewhere in Montana

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

Near Lodge Grass

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

Near Lodge Grass

River and lake gauges