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Mount Hebron, California

Community in Siskiyou County, California

Air quality

The air at Mount Hebron

Index 49, good, led by fine particles. Read at 8 PM from its reporting area, Klamath Falls (OR), 31 miles off.

49Good
  • Fine particles (PM2.5)49Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 38, good.

Smoke, the next 45 hours

Smoke near the ground peaks at index 58, moderate, Fri 4 PM.

FriSat

Precipitation

What has fallen at Mount Hebron

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 Mount Hebron, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Mount Hebron, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.0 miles away.

measured now3 instruments

DorrisCF178

Beside a road/14.1 mi away/4,285 ft/24 ft above here

temp, pavement temp, wind, visibility, precip

Rank3,102of 4,465

measured daily2 instruments

Dorris 0.2 SWCA-SK-10

In a volunteer observer's own ground/12.9 mi away/4,249 ft/12 ft below here

precip, snowfall, snow depth

Rank-

Lava Beds National MonumentSTGC1

At a cooperative observer's station/25.9 mi away/4,518 ft/257 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Montague/Siskiyou, drawn

The nearest airport reporting now, 23.9 mi from Mount Hebron, California. From its report of Oct 15, 2026, 8:53 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 Montague/Siskiyou, 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 SIYFIG. A THE SKY OVER MONTAGUE/SISKIYOUSECTION, 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 MORE0510TITLEMontague/Siskiyou, the skySTATION REPORT · ASOS SIYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SIY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

56.0 F with a dew point of 29.0 F, 35 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,100 ft up.

Chart of the air at Montague/Siskiyou: temperature 56.0 degrees Fahrenheit and dew point 29.0, 35 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SIYFIG. B THE AIR AT MONTAGUE/SISKIYOUTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00010 F20 F30 F40 F50 F60 F70 FSATURATES 6,100 FT ABOVE THE STATION, AT 23.5 FTEMPERATURE 56.0 FDEW POINT 29.0 FSPREAD 27.0 FRELATIVE HUMIDITY 35 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 POINTTITLEMontague/Siskiyou, the airSTATION REPORT · ASOS SIYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SIY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Montague/Siskiyou, 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 SIYFIG. C THE WIND AT MONTAGUE/SISKIYOUPLAN, 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 FORCE73TITLEMontague/Siskiyou, the windSTATION REPORT · ASOS SIYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SIY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Montague/Siskiyou, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in California

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

Near Mount Hebron

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

Near Mount Hebron

River and lake gauges