Storm Station
Mossyrock, Washington
55°
Mostly clear· Feels like 55°·Light air 2 mph N
Mostly cloudy, with a low around 42. East wind 2 to 6 mph.
-UV
-Air quality
65%Humidity
37%Cloud

What is measuring near here

The 5 instruments nearest Mossyrock, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

ChehalisCLS

At an airfield/25.7 mi away/177 ft/491 ft below here

temp, wind, gust, visibility, precip, pressure

Rank602of 618

Grand MoundTGMND

Beside a road/31.1 mi away/184 ft/484 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Mossyrock 0.2 NWWA-LW-32

In a volunteer observer's own ground/0.2 mi away/677 ft/9 ft above here

precip, snowfall, snow depth

Rank-

Mayfield Power PlantMAWW1

At a power station/5.1 mi away/758 ft/90 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chehalis, drawn

The nearest airport reporting now, 25.7 mi from Mossyrock. From its report of Sep 27, 2026, 1:15 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 Chehalis, 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 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 DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEChehalis, the skySTATION REPORT · ASOS CLSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-CLS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

50.0 F with a dew point of 44.6 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Chehalis: temperature 50.0 degrees Fahrenheit and dew point 44.6, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station; 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 STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 43.3 FTEMPERATURE 50.0 FDEW POINT 44.6 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 6DATE2026-09-27IDSR-CLS-2DRAWN AS linework on paperSOURCES 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 6DATE2026-09-27IDSR-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

-in

Snow on the ground

Elsewhere in Washington

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

Near Mossyrock

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