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Whitehall, Montana

Town in Jefferson County, Montana

Air quality

The air at Whitehall

Index 32, good, led by fine particles. Read at 1 AM from its reporting area, Helena (MT), 50 miles off.

32Good
  • Fine particles (PM2.5)32Good-

The days ahead

Yesterday measured 25, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Whitehall

None in the last 3 days, to Fri 12 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 Whitehall, the next 41 hours

Visibility stays 8 miles or more through Sat 6 PM, lowest 9 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Whitehall, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now5 instruments

WhitehallWHHM8

At a river or reservoir gauge/2.6 mi away/4,482 ft/121 ft above here

temp, wind, gust, humidity, pressure

Rank184of 1,053

measured daily2 instruments

Station report

The weather at Butte/Bert Mooney, drawn

The nearest airport reporting now, 20.0 mi from Whitehall, 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 Butte/Bert Mooney, 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 BTMFIG. A THE SKY OVER BUTTE/BERT MOONEYSECTION, 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 MORE0510TITLEButte/Bert Mooney, the skySTATION REPORT · ASOS BTMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BTM-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

29.0 F with a dew point of 27.0 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Butte/Bert Mooney: temperature 29.0 degrees Fahrenheit and dew point 27.0, 92 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTMFIG. B THE AIR AT BUTTE/BERT MOONEYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 FSATURATES 500 FT ABOVE THE STATION, AT 26.5 FTEMPERATURE AND DEW POINT 29.0 F, 27.0 FRELATIVE HUMIDITY 92 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 POINTTITLEButte/Bert Mooney, the airSTATION REPORT · ASOS BTMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BTM-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (120 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Butte/Bert Mooney, north up: blowing from 120 degrees, the east southeast, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTMFIG. C THE WIND AT BUTTE/BERT MOONEYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 120°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEButte/Bert Mooney, the windSTATION REPORT · ASOS BTMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BTM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Butte/Bert Mooney, 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 Whitehall

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

Near Whitehall

River and lake gauges