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Coulee City, Washington

Town in Grant County, Washington

Air quality

The air at Coulee City

Index 41, good, led by fine particles. Read at 1 AM from its reporting area, Moses Lake (WA), 33 miles off.

41Good
  • Fine particles (PM2.5)41Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 39, good.

Smoke, the next 40 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 Coulee City

None in the last 3 days, to Fri 1 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 Coulee City, the next 40 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Coulee City, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now3 instruments

SR17 Interchange Soap LakeTSOAP

Beside a road/18.3 mi away/1,122 ft/472 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Almira 0.2 NNWWA-LN-10

In a volunteer observer's own ground/17.7 mi away/1,914 ft/320 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Ephrata Municipal, drawn

The nearest airport reporting now, 23.5 mi from Coulee City, Washington. From its report of Oct 16, 2026, 12:53 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 Ephrata Municipal, 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 EPHFIG. A THE SKY OVER EPHRATA MUNICIPALSECTION, 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 MORE0510TITLEEphrata Municipal, the skySTATION REPORT · ASOS EPHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EPH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 34.0 F, 58 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,200 ft up.

Chart of the air at Ephrata Municipal: temperature 48.0 degrees Fahrenheit and dew point 34.0, 58 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EPHFIG. B THE AIR AT EPHRATA MUNICIPALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 3,200 FT ABOVE THE STATION, AT 31.0 FTEMPERATURE 48.0 FDEW POINT 34.0 FSPREAD 14.0 FRELATIVE HUMIDITY 58 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 POINTTITLEEphrata Municipal, the airSTATION REPORT · ASOS EPHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EPH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Ephrata Municipal, north up: blowing from 350 degrees, the north, 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 EPHFIG. C THE WIND AT EPHRATA MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEphrata Municipal, the windSTATION REPORT · ASOS EPHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EPH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Coulee Dam 1 SW (GCXW1), 26.9 miles from here, read 15 Oct, 17:00. measured daily

Elsewhere in Washington

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

Near Coulee City

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

Near Coulee City

River and lake gauges