Storm Station
Sign in

Deep River, Washington

Community in Wahkiakum County, Washington

Air quality

The air at Deep River

Index 21, good, led by fine particles. Read at 8 PM from its reporting area, Raymond (WA), 23 miles off.

21Good
  • Fine particles (PM2.5)21Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 14, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Deep River

None in the last 24 hours; 0.03 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.03in

Visibility

How far you can see at Deep River, the next 45 hours

Dense fog: visibility falls to 0 miles Sat 12 AM, under a mile for 6 hours.

FriSat

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

What is measuring near here

The 5 instruments nearest Deep River, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.9 miles away.

measured now3 instruments

Wf Satsop RWFSW1

At a river or reservoir gauge/13.9 mi away/351 ft/176 ft above here

temp, wind, gust, humidity, pressure

Rank657of 1,451

measured daily2 instruments

Rosburg 0.6 ENEWA-WK-2

In a volunteer observer's own ground/3.9 mi away/11 ft/164 ft below here

precip, snowfall, snow depth

Rank-

Cathlamet 6NECTHW1

At a cooperative observer's station/20.4 mi away/185 ft/10 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Km Mountain, drawn

The nearest instrument reporting now, 9.3 mi from Deep River, Washington. From its report of Oct 15, 2026, 8:30 PM local time: 3 of its 6 sheets.

The sky

No cloud reported; visibility 1.25 mi.

Section of the sky over Km Mountain, height above the station to scale: no cloud reported, and visibility of 1.25 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TKMMOFIG. A THE SKY OVER KM MOUNTAINSECTION, 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 STATIONNO CLOUD REPORTEDVISIBILITY, MILES: 1.25 MI0510TITLEKm Mountain, the skySTATION REPORT · RWIS TKMMOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TKMMO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

69.3 F with a dew point of 38.9 F, 33 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,900 ft up.

Chart of the air at Km Mountain: temperature 69.3 degrees Fahrenheit and dew point 38.9, 33 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TKMMOFIG. B THE AIR AT KM MOUNTAINTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,900 FT ABOVE THE STATION, AT 32.6 FTEMPERATURE 69.3 FDEW POINT 38.9 FSPREAD 30.3 FRELATIVE HUMIDITY 33 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 POINTTITLEKm Mountain, the airSTATION REPORT · RWIS TKMMOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-TKMMO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (104 degrees) at 4 mph, gusting 8 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 16 mph.

Plan of the wind at Km Mountain, north up: blowing from 104 degrees, the east southeast, at 4 miles an hour, gusting 8; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TKMMOFIG. C THE WIND AT KM MOUNTAINPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 104°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 4 MPH3GENTLE BREEZE8GUST, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEKm Mountain, the windSTATION REPORT · RWIS TKMMOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-TKMMO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

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

-

Snow on the ground

Elsewhere in Washington

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

Near Deep River

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

Near Deep River

River and lake gauges