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Little Valley, California

Community in Lassen County, California

Air quality

The air at Little Valley

Index 39, good, led by fine particles. Read at 12 AM from its reporting area, Quincy (CA), 67 miles off.

39Good
  • Fine particles (PM2.5)39Good-

The days ahead

Yesterday measured 23, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Little Valley

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 Little Valley, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Little Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 8.6 miles away.

measured now3 instruments

Ladder ButteLDRC1

At a river or reservoir gauge/8.6 mi away/5,633 ft/1,411 ft above here

temp, wind, gust, humidity, pressure

Rank349of 4,465

BogardCD004

Beside a road/21.9 mi away/5,666 ft/1,444 ft above here

temp, pavement temp, wind, visibility, precip

Rank3,494of 4,465

Ash ValleyS2214

At a soil climate station/27.9 mi away/5,097 ft/875 ft above here

temp, humidity, soil temp, soil moisture

Rank2,547of 4,465

measured daily2 instruments

Fall River MillsFMLC1

At a cooperative observer's station/15.5 mi away/3,278 ft/944 ft below here

snowfall, snow depth, precip, high, low

Rank-

Fall River Mills 6.1 NWCA-SH-84

In a volunteer observer's own ground/21.2 mi away/3,324 ft/898 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Ladder Butte, drawn

The nearest instrument reporting now, 8.6 mi from Little Valley, California. From its report of Oct 16, 2026, 12:53 AM local time: 3 of its 5 sheets.

The air

55.0 F with a dew point of 19.8 F, 25 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,900 ft up.

Chart of the air at Ladder Butte: temperature 55.0 degrees Fahrenheit and dew point 19.8, 25 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LDRC1FIG. B THE AIR AT LADDER BUTTETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,0000 F20 F40 F60 FSATURATES 7,900 FT ABOVE THE STATION, AT 12.8 FTEMPERATURE 55.0 FDEW POINT 19.8 FSPREAD 35.2 FRELATIVE HUMIDITY 25 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 POINTTITLELadder Butte, the airSTATION REPORT · DCP LDRC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-LDRC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (125 degrees) at 14 mph, gusting 27 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 27 mph.

Plan of the wind at Ladder Butte, north up: blowing from 125 degrees, the southeast, at 14 miles an hour, gusting 27; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LDRC1FIG. C THE WIND AT LADDER BUTTEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 125°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 27 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELadder Butte, the windSTATION REPORT · DCP LDRC1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-LDRC1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 5,633 ft above sea level, 19 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 24.31 inHg and the temperature at 38.9 F; it reports 55.0 F, 16.1 F warmer than standard.

Section from sea level of where Ladder Butte stands in the atmosphere, height to scale: the station 5,633 feet above sea level with 19 per cent of the air below it; the standard atmosphere's pressure there, 24.31 inches of mercury, and temperature, 38.9 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LDRC1FIG. D WHERE LADDER BUTTE STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERELADDER BUTTE19 PER CENT OF THE AIR BELOW IT5,633 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE24.31 inHgSTANDARD TEMPERATURE HERE38.9 FTEMPERATURE, REPORTED55.0 FTITLELadder Butte, the columnSTATION REPORT · DCP LDRC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-LDRC1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Ladder Butte, in 5 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 Little Valley

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

Near Little Valley

River and lake gauges