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Swall Meadows, California

Community in Mono County, California

Air quality

The air at Swall Meadows

Index 32, good, led by fine particles. Read at 5 AM from its reporting area, Bishop (CA), 17 miles off.

32Good
  • Fine particles (PM2.5)32Good15.8 mi
  • Ozone20Good23 ppb15.8 mi
  • Coarse particles (PM10)14Good15.8 mi

The days ahead

Yesterday measured 35, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Swall Meadows

None in the last 3 days, to Fri 4 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 Swall Meadows, the next 43 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

On the radar over Swall Meadows, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Swall Meadows, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now5 instruments

Doe RidgeS2191

At a soil climate station/13.4 mi away/7,340 ft/862 ft above here

temp, humidity, soil temp, soil moisture

Rank2,513of 4,465

measured daily2 instruments

West Bishop 14.4 NWCA-MN-4

In a volunteer observer's own ground/0.3 mi away/6,395 ft/83 ft below here

precip, snowfall, snow depth

Rank-

Bishop CreekASDC1

At a cooperative observer's station/19.3 mi away/8,750 ft/2,272 ft above here

snowfall, snow depth, precip, high, low

Rank2,657of 4,465

Station report

The weather at Mammoth/June Lakes, drawn

The nearest airport reporting now, 13.5 mi from Swall Meadows, California. From its report of Oct 16, 2026, 4:55 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 Mammoth/June Lakes, 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 MMHFIG. A THE SKY OVER MAMMOTH/JUNE LAKESSECTION, 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 MORE0510TITLEMammoth/June Lakes, the skySTATION REPORT · ASOS MMHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MMH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

28.4 F with a dew point of 17.6 F, 64 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,400 ft up.

Chart of the air at Mammoth/June Lakes: temperature 28.4 degrees Fahrenheit and dew point 17.6, 64 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMHFIG. B THE AIR AT MAMMOTH/JUNE LAKESTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0000 F10 F20 F30 F40 FSATURATES 2,400 FT ABOVE THE STATION, AT 15.4 FTEMPERATURE 28.4 FDEW POINT 17.6 FSPREAD 10.8 FRELATIVE HUMIDITY 64 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 POINTTITLEMammoth/June Lakes, the airSTATION REPORT · ASOS MMHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MMH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Mammoth/June Lakes, north up: 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 MMHFIG. C THE WIND AT MAMMOTH/JUNE LAKESPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMammoth/June Lakes, the windSTATION REPORT · ASOS MMHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MMH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mammoth/June Lakes, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Bishop Creek (ASDC1), 19.3 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in California

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

Near Swall Meadows

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

Near Swall Meadows

River and lake gauges