Storm Station
Lavina, Montana
58°
Partly cloudy· Feels like 58°·Light breeze 6 mph N
Partly cloudy, with a low around 41. East southeast wind around 5 mph.
-UV
-Air quality
33%Humidity
72%Cloud

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

Horse Thief RAWSHORM8

A remote fire weather station/15.6 mi away/3,445 ft/6 ft above here

temp, wind, gust, humidity, pressure

Rank175of 702

Bull Mountain US-87 MP 33.3MTBUL

Beside a road/23.1 mi away/4,006 ft/567 ft above here

temp, pavement temp, wind, visibility, precip

Rank595of 702

GrassrangeMVH

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

temp, wind, gust, visibility, precip, pressure

Rank6of 702

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. From its report of Sep 27, 2026, 2:15 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 6DATE2026-09-27IDSR-MVH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

37.4 F with a dew point of 23.0 F, 56 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,300 ft up.

Chart of the air at Grassrange: temperature 37.4 degrees Fahrenheit and dew point 23.0, 56 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,300 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 STATION01,0002,0003,0004,0005,00010 F20 F30 F40 F50 FSATURATES 3,300 FT ABOVE THE STATION, AT 20.0 FTEMPERATURE 37.4 FDEW POINT 23.0 FSPREAD 14.4 FRELATIVE HUMIDITY 56 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 6DATE2026-09-27IDSR-MVH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Grassrange, 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 MVHFIG. C THE WIND AT GRASSRANGEPLAN, 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 FORCE73TITLEGrassrange, the windSTATION REPORT · ASOS MVHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

-in

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.