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West Liberty, Pennsylvania

Borough in Butler County, Pennsylvania

Air quality

The air at West Liberty

Index 40, good, led by fine particles. Read at 9 AM from its reporting area, Mercer County (PA), 19 miles off.

40Good
  • Fine particles (PM2.5)40Good22.5 mi
  • Ozone28Good28 ppb22.5 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 28, good.

Smoke, the next 41 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at West Liberty

None in the last 24 hours; 0.13 in over the last 3 days, to Fri 9 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.13in

Visibility

How far you can see at West Liberty, the next 41 hours

Visibility stays 5 miles or more through Sun 2 AM, lowest 5 miles Fri 11 AM.

FriSat

What is measuring near here

The 6 instruments nearest West Liberty, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now4 instruments

Slippery RockSLPP1

At a river or reservoir gauge/7.2 mi away/1,224 ft/23 ft above here

temp, wind, gust, humidity, pressure

Rank-

ZelienoplePJC

At an airfield/15.4 mi away/895 ft/306 ft below here

temp, wind, gust, visibility, precip, pressure

Rank747of 1,383

measured daily2 instruments

Slippery Rock 4.4 SEPA-BT-17

In a volunteer observer's own ground/2.6 mi away/1,261 ft/60 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Zelienople, drawn

The nearest airport reporting now, 15.4 mi from West Liberty, Pennsylvania. From its report of Oct 16, 2026, 10:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,700 ft, broken at 3,300 ft, overcast at 5,000 ft; the ceiling is 3,300 ft; visibility 10 mi or more.

Section of the sky over Zelienople, height above the station to scale: scattered cloud with its base at 2,700 feet, broken cloud with its base at 3,300 feet, overcast cloud with its base at 5,000 feet, the ceiling at 3,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. A THE SKY OVER ZELIENOPLESECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 5,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 3,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEZelienople, the skySTATION REPORT · ASOS PJCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PJC-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

71.6 F with a dew point of 62.6 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 2,700 ft.

Chart of the air at Zelienople: temperature 71.6 degrees Fahrenheit and dew point 62.6, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 2,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. B THE AIR AT ZELIENOPLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 F80 FSATURATES 2,100 FT ABOVE THE STATION, AT 60.5 FLOWEST CLOUD REPORTED, SCT 2,700 FTTEMPERATURE 71.6 FDEW POINT 62.6 FSPREAD 9.0 FRELATIVE HUMIDITY 73 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 POINTTITLEZelienople, the airSTATION REPORT · ASOS PJCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PJC-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at Zelienople, north up: blowing from 240 degrees, the west southwest, 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 PJCFIG. C THE WIND AT ZELIENOPLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEZelienople, the windSTATION REPORT · ASOS PJCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PJC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Pennsylvania

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

Near West Liberty

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

Near West Liberty