Storm Station
Sign in

Ontario, Oregon

City in Malheur County, Oregon

Air quality

The air at Ontario

Index 30, good, led by fine particles. Read at 11 PM from its reporting area, Ontario (OR), 1 mile off.

30Good
  • Fine particles (PM2.5)30Good-

The days ahead

Yesterday measured 22, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Ontario

None in the last 3 days, to Thu 11 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 Ontario, the next 43 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Ontario, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.

measured now3 instruments

measured daily2 instruments

Nyssa 6.2 SWOR-MH-5

In a volunteer observer's own ground/15.3 mi away/2,364 ft/212 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Ontario Municipal, drawn

The nearest airport reporting now, 1.9 mi from Ontario, Oregon. From its report of Oct 15, 2026, 10:53 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 Ontario 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 ONOFIG. A THE SKY OVER ONTARIO 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 MORE0510TITLEOntario Municipal, the skySTATION REPORT · ASOS ONOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ONO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

46.0 F with a dew point of 32.0 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 Ontario Municipal: temperature 46.0 degrees Fahrenheit and dew point 32.0, 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 ONOFIG. B THE AIR AT ONTARIO 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 29.0 FTEMPERATURE 46.0 FDEW POINT 32.0 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 POINTTITLEOntario Municipal, the airSTATION REPORT · ASOS ONOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ONO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (270 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Ontario Municipal, north up: blowing from 270 degrees, the west, at 6 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 ONOFIG. C THE WIND AT ONTARIO MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 270°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEOntario Municipal, the windSTATION REPORT · ASOS ONOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ONO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Owyhee Dam (OWYO3), 29.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Oregon

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

Near Ontario

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

Near Ontario

River and lake gauges