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Heppner, Oregon

City in Morrow County, Oregon

Air quality

The air at Heppner

Index 51, moderate, led by fine particles. Read at 2 AM from its reporting area, Hermiston (OR), 36 miles off.

51Moderate
  • Fine particles (PM2.5)51Moderate-
  • Ozone8Good-

The days ahead

Yesterday measured 48, good.

Smoke, the next 46 hours

Smoke near the ground peaks at index 99, moderate, Fri 9 PM.

FriSat

Precipitation

What has fallen at Heppner

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 Heppner, the next 46 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Heppner, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

Lexington9S9

At an airfield/9.6 mi away/1,599 ft/357 ft below here

temp, wind, gust, visibility, precip, pressure

Rank16of 1,635

measured daily2 instruments

HeppnerHEPO3

At a cooperative observer's station/0.9 mi away/1,896 ft/60 ft below here

snowfall, snow depth, precip, high, low

Rank1,052of 1,635

Heppner 11.4 NOR-MW-2

In a volunteer observer's own ground/11.4 mi away/1,524 ft/432 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Lexington, drawn

The nearest airport reporting now, 9.6 mi from Heppner, Oregon. From its report of Oct 16, 2026, 2:35 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 Lexington, 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 9S9FIG. A THE SKY OVER LEXINGTONSECTION, 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 MORE0510TITLELexington, the skySTATION REPORT · ASOS 9S9TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-9S9-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.8 F with a dew point of 35.6 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up.

Chart of the air at Lexington: temperature 42.8 degrees Fahrenheit and dew point 35.6, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 9S9FIG. B THE AIR AT LEXINGTONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,600 FT ABOVE THE STATION, AT 34.0 FTEMPERATURE 42.8 FDEW POINT 35.6 FSPREAD 7.2 FRELATIVE HUMIDITY 76 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 POINTTITLELexington, the airSTATION REPORT · ASOS 9S9TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-9S9-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (120 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Lexington, north up: blowing from 120 degrees, the east southeast, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 9S9FIG. C THE WIND AT LEXINGTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 120°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELexington, the windSTATION REPORT · ASOS 9S9TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-9S9-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Heppner (HEPO3), 0.9 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Oregon

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

Near Heppner

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

Near Heppner

River and lake gauges