Storm Station
Garrison, Montana
36°
Mostly clear· Feels like 34°·Light air 3 mph NW
Mostly cloudy, with a low around 28. Wind around 0 mph.
-UV
-Air quality
40%Humidity
15%Cloud

What is measuring near here

The 5 instruments nearest Garrison, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now3 instruments

Garrison I-90 MP 174.4MTGAR

Beside a road/0.4 mi away/4,350 ft/5 ft above here

temp, pavement temp, wind, visibility, precip

Rank697of 702

Drummond 05.SSWDRDM8

At a river or reservoir gauge/18.8 mi away/3,950 ft/395 ft below here

temp, wind, gust, humidity, pressure

Rank-

Anaconda3U3

At an airfield/25.5 mi away/5,003 ft/658 ft above here

temp, wind, gust, visibility, precip, pressure

Rank541of 702

measured daily2 instruments

Deer Lodge 3 WDERM8

At a cooperative observer's station/9.0 mi away/4,810 ft/465 ft above here

snowfall, snow depth, precip, high, low

Rank-

Drummond 7.1 SWMT-GT-1

In a volunteer observer's own ground/20.6 mi away/4,327 ft/18 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Anaconda, drawn

The nearest airport reporting now, 25.5 mi from Garrison. From its report of Sep 27, 2026, 2:55 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 Anaconda, 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 3U3FIG. A THE SKY OVER ANACONDASECTION, 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 MORE0510TITLEAnaconda, the skySTATION REPORT · ASOS 3U3TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-3U3-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

30.0 F with a dew point of 25.3 F, 82 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 Anaconda: temperature 30.0 degrees Fahrenheit and dew point 25.3, 82 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 3U3FIG. B THE AIR AT ANACONDATHE 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 24.2 FTEMPERATURE 30.0 FDEW POINT 25.3 FSPREAD 4.7 FRELATIVE HUMIDITY 82 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 POINTTITLEAnaconda, the airSTATION REPORT · ASOS 3U3TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-3U3-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Anaconda, north up: blowing from 250 degrees, the west southwest, at 7 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 3U3FIG. C THE WIND AT ANACONDAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAnaconda, the windSTATION REPORT · ASOS 3U3TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-3U3-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Anaconda, 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 Garrison

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