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Centralia, Washington

City in Lewis County, Washington

Air quality

The air at Centralia

Index 60, moderate, led by fine particles. Read at 11 PM from its reporting area, Chehalis (WA), 4 miles off.

60Moderate
  • Fine particles (PM2.5)60Moderate3.9 mi
  • Ozone-1 ppb22.5 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 23, good.

Smoke, the next 42 hours

Smoke near the ground peaks at index 56, moderate, Fri 6 PM.

FriSat

Precipitation

What has fallen at Centralia

None in the last 3 days, to Thu 11 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 Centralia, the next 42 hours

Visibility stays 5 miles or more through Sat 5 PM, lowest 5 miles Sat 4 AM.

FriSat

On the radar over Centralia, WashingtonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Centralia, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now4 instruments

measured daily2 instruments

Centralia 1.2 NWWA-LW-3

In a volunteer observer's own ground/1.1 mi away/186 ft/2 ft above here

precip, snowfall, snow depth

Rank-

DryadDYWW1

At a cooperative observer's station/15.1 mi away/315 ft/131 ft above here

snowfall, snow depth, precip, high, low

Rank1,110of 1,451

Station report

The weather at Chehalis, drawn

The nearest airport reporting now, 3.1 mi from Centralia, Washington. From its report of Oct 15, 2026, 9:55 PM local time: 3 of its 6 sheets.

The sky

No cloud reported; visibility 8 mi.

Section of the sky over Chehalis, height above the station to scale: no cloud reported, and visibility of 8 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CLSFIG. A THE SKY OVER CHEHALISSECTION, 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 REPORTEDVISIBILITY, MILES: 8 MI0510TITLEChehalis, the skySTATION REPORT · ASOS CLSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CLS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

50.0 F with a dew point of 50.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Chehalis: temperature 50.0 degrees Fahrenheit and dew point 50.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CLSFIG. B THE AIR AT CHEHALISTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 50.0 F, 50.0 FRELATIVE HUMIDITY 100 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 POINTTITLEChehalis, the airSTATION REPORT · ASOS CLSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CLS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Chehalis, 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 CLSFIG. C THE WIND AT CHEHALISPLAN, 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 FORCE73TITLEChehalis, the windSTATION REPORT · ASOS CLSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CLS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Washington

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

Near Centralia

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

Near Centralia

River and lake gauges