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Lavina, Montana

Town in Golden Valley County, Montana

Air quality

The air at Lavina

Index 47, good, led by fine particles. Read at 4 AM from its reporting area, Billings (MT), 41 miles off.

47Good
  • Fine particles (PM2.5)47Good-
  • Ozone22Good-

The days ahead

Yesterday measured 51, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Mon 12 AM: the index from smoke stays at 6 or under.

SatSun

Precipitation

What has fallen at Lavina

None in the last 3 days, to Sat 3 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 Lavina, the next 45 hours

Visibility stays 10 miles or more through Mon 12 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Lavina, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.7 miles away.

measured now3 instruments

GrassrangeMVH

At an airfield/37.6 mi away/4,393 ft/954 ft above here

temp, wind, gust, visibility, precip, pressure

Rank13of 1,045

measured daily2 instruments

Roundup 15SWRLAM8

At a cooperative observer's station/9.7 mi away/3,396 ft/43 ft below here

snowfall, snow depth, precip, high, low

Rank-

Ryegate 5.0 S (Closed)MT-GV-6

In a volunteer observer's own ground/15.9 mi away/3,983 ft/544 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Grassrange, drawn

The nearest airport reporting now, 37.6 mi from Lavina, Montana. From its report of Oct 17, 2026, 4:15 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 Grassrange, 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 MVHFIG. A THE SKY OVER GRASSRANGESECTION, 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 MORE0510TITLEGrassrange, the skySTATION REPORT · ASOS MVHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-MVH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

53.6 F with a dew point of 14.0 F, 20 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 8,800 ft up.

Chart of the air at Grassrange: temperature 53.6 degrees Fahrenheit and dew point 14.0, 20 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 8,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MVHFIG. B THE AIR AT GRASSRANGETHE 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 F10 F20 F30 F40 F50 F60 FSATURATES 8,800 FT ABOVE THE STATION, AT 6.3 FTEMPERATURE 53.6 FDEW POINT 14.0 FSPREAD 39.6 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 POINTTITLEGrassrange, the airSTATION REPORT · ASOS MVHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-MVH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Grassrange, north up: blowing from 280 degrees, the west, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MVHFIG. C THE WIND AT GRASSRANGEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGrassrange, the windSTATION REPORT · ASOS MVHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-MVH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Montana

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

Near Lavina

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

Near Lavina

River and lake gauges