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Delleker, California

Community in Plumas County, California

Air quality

The air at Delleker

Index 54, moderate, led by fine particles. Read at 11 AM from its reporting area, Portola (CA), 2 miles off.

54Moderate
  • Fine particles (PM2.5)54Moderate1.6 mi

The days ahead

Good each day through Wed Oct 21, led by fine particles. Yesterday measured 30, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 5 AM.

FriSatSun

Precipitation

What has fallen at Delleker

None in the last 3 days, to Fri 10 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 Delleker, the next 43 hours

Visibility stays 10 miles or more through Sun 5 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Delleker, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

measured daily2 instruments

Portola 1.1 NNWCA-PM-12

In a volunteer observer's own ground/1.1 mi away/4,956 ft/44 ft above here

precip, snowfall, snow depth

Rank-

PortolaPRAC1

At a cooperative observer's station/1.4 mi away/4,848 ft/64 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Blue Canyon - Nyack, drawn

The nearest airport reporting now, 38.8 mi from Delleker, California. From its report of Oct 16, 2026, 10:52 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 Blue Canyon - Nyack, 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 BLUFIG. A THE SKY OVER BLUE CANYON - NYACKSECTION, 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 MORE0510TITLEBlue Canyon - Nyack, the skySTATION REPORT · ASOS BLUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BLU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

75.0 F with a dew point of 9.0 F, 8 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 14,600 ft up.

Chart of the air at Blue Canyon - Nyack: temperature 75.0 degrees Fahrenheit and dew point 9.0, 8 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 14,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLUFIG. B THE AIR AT BLUE CANYON - NYACKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00016,00018,000-10 F10 F30 F50 F70 F90 FSATURATES 14,600 FT ABOVE THE STATION, AT -3.0 FTEMPERATURE 75.0 FDEW POINT 9.0 FSPREAD 66.0 FRELATIVE HUMIDITY 8 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 POINTTITLEBlue Canyon - Nyack, the airSTATION REPORT · ASOS BLUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BLU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (110 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Blue Canyon - Nyack, north up: blowing from 110 degrees, the east southeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLUFIG. C THE WIND AT BLUE CANYON - NYACKPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 110°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBlue Canyon - Nyack, the windSTATION REPORT · ASOS BLUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BLU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Blue Canyon - Nyack, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Portola (PRAC1), 1.4 miles from here, read 14 Oct, 08:00. measured daily

Elsewhere in California

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

Near Delleker

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

Near Delleker

River and lake gauges