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Harrisburg, Oregon

City in Linn County, Oregon

Air quality

The air at Harrisburg

Index 51, moderate, led by fine particles. Read at 12 AM from its reporting area, Eugene and Springfield (OR), 17 miles off.

51Moderate
  • Fine particles (PM2.5)51Moderate14 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 29, good.

Smoke, the next 41 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 Harrisburg

None in the last 3 days, to Fri 12 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 Harrisburg, the next 41 hours

Visibility stays 7 miles or more through Sat 5 PM, lowest 8 miles Sat 5 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Harrisburg, 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 now5 instruments

measured daily2 instruments

Fern Ridge-VenetaFRIO3

At a cooperative observer's station/18.4 mi away/384 ft/71 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Eugene/Mahlon Sweet, drawn

The nearest airport reporting now, 10.4 mi from Harrisburg, Oregon. From its report of Oct 16, 2026, 12:54 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 Eugene/Mahlon Sweet, 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 EUGFIG. A THE SKY OVER EUGENE/MAHLON SWEETSECTION, 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 MORE0510TITLEEugene/Mahlon Sweet, the skySTATION REPORT · ASOS EUGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EUG-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

45.0 F with a dew point of 45.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Eugene/Mahlon Sweet: temperature 45.0 degrees Fahrenheit and dew point 45.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EUGFIG. B THE AIR AT EUGENE/MAHLON SWEETTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 45.0 F, 45.0 FRELATIVE HUMIDITY 100 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 POINTTITLEEugene/Mahlon Sweet, the airSTATION REPORT · ASOS EUGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EUG-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Eugene/Mahlon Sweet, north up: blowing from 150 degrees, the south southeast, 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 EUGFIG. C THE WIND AT EUGENE/MAHLON SWEETPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEugene/Mahlon Sweet, the windSTATION REPORT · ASOS EUGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EUG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Eugene/Mahlon Sweet, 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 Harrisburg

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

Near Harrisburg

River and lake gauges