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Corwin Springs, Montana

Community in Park County, Montana

Air quality

The air at Corwin Springs

Index 33, good, led by ozone. Read at 9 PM from its reporting area, Yellowstone National Park (MT), 44 miles off.

33Good
  • Ozone33Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 46 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 Corwin Springs

None in the last 3 days, to Thu 8 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 Corwin Springs, the next 46 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Corwin Springs, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now4 instruments

measured daily2 instruments

Big Sky 1.7 NWMT-GN-21

In a volunteer observer's own ground/28.0 mi away/6,814 ft/1,681 ft above here

precip, snowfall, snow depth

Rank79of 1,053

West Yellowstone USFSWYWM8

At a cooperative observer's station/35.0 mi away/6,667 ft/1,534 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at West Yellowstone, drawn

The nearest airport reporting now, 34.0 mi from Corwin Springs, Montana. From its report of Oct 15, 2026, 9:15 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 West Yellowstone, 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 WYSFIG. A THE SKY OVER WEST YELLOWSTONESECTION, 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 MORE0510TITLEWest Yellowstone, the skySTATION REPORT · ASOS WYSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-WYS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

30.2 F with a dew point of 26.6 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up.

Chart of the air at West Yellowstone: temperature 30.2 degrees Fahrenheit and dew point 26.6, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WYSFIG. B THE AIR AT WEST YELLOWSTONETHE 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 800 FT ABOVE THE STATION, AT 25.8 FTEMPERATURE 30.2 FDEW POINT 26.6 FSPREAD 3.6 FRELATIVE HUMIDITY 86 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 POINTTITLEWest Yellowstone, the airSTATION REPORT · ASOS WYSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-WYS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at West Yellowstone, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WYSFIG. C THE WIND AT WEST YELLOWSTONEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWest Yellowstone, the windSTATION REPORT · ASOS WYSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-WYS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of West Yellowstone, 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 Corwin Springs

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

Near Corwin Springs

River and lake gauges