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Zortman, Montana

Community in Phillips County, Montana

Air quality

The air at Zortman

Index 2, good, led by fine particles. Read at 2 AM from its reporting area, Malta (MT), 41 miles off.

2Good
  • Fine particles (PM2.5)2Good-

The days ahead

Yesterday measured 12, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 6 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Zortman

None in the last 3 days, to Fri 1 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 Zortman, the next 41 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 4 instruments nearest Zortman, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now2 instruments

Zortman MineALDM8

At a river or reservoir gauge/1.4 mi away/4,672 ft/674 ft above here

temp, wind, gust, humidity, pressure

Rank187of 1,053

measured daily2 instruments

Zortman 10.0 SSWMT-PH-1

In a volunteer observer's own ground/9.9 mi away/3,030 ft/968 ft below here

precip, snowfall, snow depth

Rank-

Fort Belknap 2 SWBKPM8

At a cooperative observer's station/39.4 mi away/2,524 ft/1,474 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Zortman Mine, drawn

The nearest instrument reporting now, 1.4 mi from Zortman, Montana. From its report of Oct 16, 2026, 2:32 AM local time: 3 of its 5 sheets.

The air

35.0 F with a dew point of 21.7 F, 58 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,000 ft up.

Chart of the air at Zortman Mine: temperature 35.0 degrees Fahrenheit and dew point 21.7, 58 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALDM8FIG. B THE AIR AT ZORTMAN MINETHE 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 3,000 FT ABOVE THE STATION, AT 19.0 FTEMPERATURE 35.0 FDEW POINT 21.7 FSPREAD 13.3 FRELATIVE HUMIDITY 58 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 POINTTITLEZortman Mine, the airSTATION REPORT · DCP ALDM8TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-ALDM8-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 6 mph, gusting 10 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 10 mph.

Plan of the wind at Zortman Mine, north up: blowing from 220 degrees, the southwest, at 6 miles an hour, gusting 10; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALDM8FIG. C THE WIND AT ZORTMAN MINEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE8GUST, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEZortman Mine, the windSTATION REPORT · DCP ALDM8TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-ALDM8-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 4,672 ft above sea level, 16 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.20 inHg and the temperature at 42.3 F; it reports 35.0 F, 7.3 F colder than standard.

Section from sea level of where Zortman Mine stands in the atmosphere, height to scale: the station 4,672 feet above sea level with 16 per cent of the air below it; the standard atmosphere's pressure there, 25.20 inches of mercury, and temperature, 42.3 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALDM8FIG. D WHERE ZORTMAN MINE STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREZORTMAN MINE16 PER CENT OF THE AIR BELOW IT4,672 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE25.20 inHgSTANDARD TEMPERATURE HERE42.3 FTEMPERATURE, REPORTED35.0 FTITLEZortman Mine, the columnSTATION REPORT · DCP ALDM8TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-ALDM8-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Zortman Mine, in 5 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 Zortman

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

Near Zortman

River and lake gauges