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Chalfant, California

Community in Mono County, California

Air quality

The air at Chalfant

Index 32, good, led by ozone. Read at 9 PM from its reporting area, Bishop (CA), 12 miles off.

32Good
  • Fine particles (PM2.5)19Good11.7 mi
  • Ozone32Good24 ppb11.7 mi
  • Coarse particles (PM10)28Good11.7 mi

The days ahead

Yesterday measured 41, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Chalfant

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 Chalfant, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Chalfant, 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

measured daily2 instruments

Chalfant 0.5 ESECA-MN-9

In a volunteer observer's own ground/0.3 mi away/4,257 ft/level with here

precip, snowfall, snow depth

Rank-

Bishop CreekASDC1

At a cooperative observer's station/24.4 mi away/8,750 ft/4,493 ft above here

snowfall, snow depth, precip, high, low

Rank2,657of 4,465

Station report

The weather at Bishop Airport, drawn

The nearest airport reporting now, 10.8 mi from Chalfant, California. From its report of Oct 15, 2026, 8:56 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 Bishop Airport, 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 BIHFIG. A THE SKY OVER BISHOP AIRPORTSECTION, 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 MORE0510TITLEBishop Airport, the skySTATION REPORT · ASOS BIHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BIH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

58.0 F with a dew point of 24.0 F, 27 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,600 ft up.

Chart of the air at Bishop Airport: temperature 58.0 degrees Fahrenheit and dew point 24.0, 27 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BIHFIG. B THE AIR AT BISHOP AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00010 F20 F30 F40 F50 F60 F70 FSATURATES 7,600 FT ABOVE THE STATION, AT 17.2 FTEMPERATURE 58.0 FDEW POINT 24.0 FSPREAD 34.0 FRELATIVE HUMIDITY 27 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 POINTTITLEBishop Airport, the airSTATION REPORT · ASOS BIHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BIH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 16 mph.

Plan of the wind at Bishop Airport, north up: blowing from 340 degrees, the north northwest, 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 BIHFIG. C THE WIND AT BISHOP AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBishop Airport, the windSTATION REPORT · ASOS BIHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BIH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Bishop Creek (ASDC1), 24.4 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 Chalfant

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

Near Chalfant

River and lake gauges