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Acton, Montana

Community in Yellowstone County, Montana

Air quality

The air at Acton

Index 23, good, led by fine particles. Read at 2 AM from its reporting area, Billings (MT), 13 miles off.

23Good
  • Fine particles (PM2.5)23Good-
  • Ozone15Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 40 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Acton

None in the last 3 days, to Fri 2 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 Acton, the next 40 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Acton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.6 miles away.

measured now3 instruments

measured daily2 instruments

Billings 6.2 WMT-YS-52

In a volunteer observer's own ground/9.6 mi away/3,355 ft/447 ft below here

precip, snowfall, snow depth

Rank-

BillingsBYZ

At a cooperative observer's station/13.5 mi away/3,186 ft/616 ft below here

snowfall, snow depth, precip, high, low

Rank25of 1,053

Station report

The weather at Billings/Logan INTL, drawn

The nearest airport reporting now, 10.8 mi from Acton, Montana. From its report of Oct 16, 2026, 1:53 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 Billings/Logan INTL, 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 BILFIG. A THE SKY OVER BILLINGS/LOGAN INTLSECTION, 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 MORE0510TITLEBillings/Logan INTL, the skySTATION REPORT · ASOS BILTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BIL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

37.0 F with a dew point of 24.0 F, 59 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 Billings/Logan INTL: temperature 37.0 degrees Fahrenheit and dew point 24.0, 59 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 BILFIG. B THE AIR AT BILLINGS/LOGAN INTLTHE 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 F50 FSATURATES 2,900 FT ABOVE THE STATION, AT 21.3 FTEMPERATURE 37.0 FDEW POINT 24.0 FSPREAD 13.0 FRELATIVE HUMIDITY 59 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 POINTTITLEBillings/Logan INTL, the airSTATION REPORT · ASOS BILTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BIL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Billings/Logan INTL, north up: blowing from 240 degrees, the west southwest, 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 BILFIG. C THE WIND AT BILLINGS/LOGAN INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBillings/Logan INTL, the windSTATION REPORT · ASOS BILTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BIL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Billings/Logan INTL, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Billings (BYZ), 13.5 miles from here, read 15 Oct, 23:59. measured daily

Elsewhere in Montana

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

Near Acton

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

Near Acton

River and lake gauges