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Johnstonville, California

Community in Lassen County, California

Air quality

The air at Johnstonville

Index 28, good, led by fine particles. Read at 1 AM from its reporting area, Quincy (CA), 36 miles off.

28Good
  • Fine particles (PM2.5)28Good-

The days ahead

Yesterday measured 17, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 5 PM.

FriSat

Precipitation

What has fallen at Johnstonville

None in the last 3 days, to Fri 12 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 Johnstonville, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Johnstonville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now5 instruments

Eagle LakeS2192

At a soil climate station/18.2 mi away/5,134 ft/977 ft above here

temp, humidity, soil temp, soil moisture

Rank2,513of 4,465

measured daily2 instruments

Susanville 0.6 NCA-LS-5

In a volunteer observer's own ground/4.5 mi away/4,195 ft/38 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Susanville, drawn

The nearest airport reporting now, 0.7 mi from Johnstonville, California. From its report of Oct 16, 2026, 1:55 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 Susanville, 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 SVEFIG. A THE SKY OVER SUSANVILLESECTION, 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 MORE0510TITLESusanville, the skySTATION REPORT · ASOS SVETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SVE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

41.0 F with a dew point of 28.4 F, 61 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up.

Chart of the air at Susanville: temperature 41.0 degrees Fahrenheit and dew point 28.4, 61 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SVEFIG. B THE AIR AT SUSANVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00010 F20 F30 F40 F50 FSATURATES 2,900 FT ABOVE THE STATION, AT 25.7 FTEMPERATURE 41.0 FDEW POINT 28.4 FSPREAD 12.6 FRELATIVE HUMIDITY 61 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 POINTTITLESusanville, the airSTATION REPORT · ASOS SVETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SVE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (260 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Susanville, north up: blowing from 260 degrees, the west, 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 SVEFIG. C THE WIND AT SUSANVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESusanville, the windSTATION REPORT · ASOS SVETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SVE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Susanville 2SW (SNVC1), 4.9 miles from here, read 15 Oct, 05:55. measured daily

Elsewhere in California

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

Near Johnstonville

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

Near Johnstonville

River and lake gauges