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Geyser, Montana

Community in Judith Basin County, Montana

Air quality

The air at Geyser

Index 30, good, led by ozone. Read at 11 PM from its reporting area, Lewistown (MT), 51 miles off.

30Good
  • Fine particles (PM2.5)23Good-
  • Ozone30Good-
  • Coarse particles (PM10)4Good-

The days ahead

Yesterday measured 35, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 6 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Geyser

None in the last 3 days, to Thu 11 PM. 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 Geyser, the next 43 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 8 instruments nearest Geyser, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now6 instruments

GeyserMTGYS

Beside a road/1.0 mi away/4,196 ft/14 ft above here

temp, pavement temp, wind, visibility, precip

Rank877of 1,053

MoccasinS2119

At a soil climate station/29.1 mi away/4,256 ft/74 ft above here

temp, humidity, soil temp, soil moisture

Rank687of 1,053

measured daily2 instruments

Raynesford 6.0 ESEMT-JB-3

In a volunteer observer's own ground/6.5 mi away/4,455 ft/273 ft above here

precip, snowfall, snow depth

Rank-

StanfordSTNM8

At a cooperative observer's station/14.7 mi away/4,275 ft/93 ft above here

snowfall, snow depth, precip, high, low

Rank574of 1,053

Station report

The weather at Malmstrom AFB, drawn

The nearest airport reporting now, 36.5 mi from Geyser, Montana. From its report of Oct 15, 2026, 11:55 PM 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 Malmstrom AFB, 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 GFAFIG. A THE SKY OVER MALMSTROM AFBSECTION, 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 MORE0510TITLEMalmstrom AFB, the skySTATION REPORT · ASOS GFATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GFA-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

35.2 F with a dew point of 30.0 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Malmstrom AFB: temperature 35.2 degrees Fahrenheit and dew point 30.0, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GFAFIG. B THE AIR AT MALMSTROM AFBTHE 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 F50 FSATURATES 1,200 FT ABOVE THE STATION, AT 28.9 FTEMPERATURE 35.2 FDEW POINT 30.0 FSPREAD 5.2 FRELATIVE HUMIDITY 81 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 POINTTITLEMalmstrom AFB, the airSTATION REPORT · ASOS GFATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GFA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Malmstrom AFB, north up: blowing from 150 degrees, the south southeast, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GFAFIG. C THE WIND AT MALMSTROM AFBPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMalmstrom AFB, the windSTATION REPORT · ASOS GFATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GFA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Malmstrom AFB, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Stanford (STNM8), 14.7 miles from here, read 15 Oct, 18:00. measured daily

Elsewhere in Montana

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

Near Geyser

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

Near Geyser

River and lake gauges