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Union, Oregon

City in Union County, Oregon

Air quality

The air at Union

Index 22, good, led by fine particles. Read at 8 PM from its reporting area, Cove (OR), 7 miles off.

22Good
  • Fine particles (PM2.5)22Good-

The days ahead

Yesterday measured 17, good.

Smoke, the next 46 hours

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

ThuFriSat

Precipitation

What has fallen at Union

None in the last 3 days, to Thu 7 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 Union, the next 46 hours

Visibility stays 10 miles or more through Sat 5 PM.

ThuFriSat

On the radar over Union, OregonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Union, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

measured daily2 instruments

La Grande 7.3 EOR-UN-12

In a volunteer observer's own ground/9.7 mi away/2,701 ft/93 ft below here

precip, snowfall, snow depth

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Station report

The weather at La Grande (AWOS), drawn

The nearest airport reporting now, 8.8 mi from Union, Oregon. From its report of Oct 15, 2026, 7:56 PM 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 La Grande (AWOS), 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 LGDFIG. A THE SKY OVER LA GRANDE (AWOS)SECTION, 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 MORE0510TITLELa Grande (AWOS), the skySTATION REPORT · ASOS LGDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LGD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 30.0 F, 49 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,100 ft up.

Chart of the air at La Grande (AWOS): temperature 48.0 degrees Fahrenheit and dew point 30.0, 49 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LGDFIG. B THE AIR AT LA GRANDE (AWOS)THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 F60 FSATURATES 4,100 FT ABOVE THE STATION, AT 26.2 FTEMPERATURE 48.0 FDEW POINT 30.0 FSPREAD 18.0 FRELATIVE HUMIDITY 49 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 POINTTITLELa Grande (AWOS), the airSTATION REPORT · ASOS LGDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LGD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at La Grande (AWOS), 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 LGDFIG. C THE WIND AT LA GRANDE (AWOS)PLAN, 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 FORCE73TITLELa Grande (AWOS), the windSTATION REPORT · ASOS LGDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LGD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of La Grande (AWOS), in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Oregon

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

Near Union

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

Near Union

River and lake gauges