Storm Station
Sign in

Petrolia, Pennsylvania

Borough in Butler County, Pennsylvania

Air quality

The air at Petrolia

Index 21, good, led by ozone. Read at 1 PM from its reporting area, Mercer County (PA), 30 miles off.

21Good
  • Fine particles (PM2.5)12Good16.4 mi
  • Ozone21Good23 ppb16.4 mi

The days ahead

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

Smoke, the next 44 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at Petrolia

0.06 in in the last 24 hours, 0.15 in over the last 3 days, to Fri 12 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.06in
Last 3 days
0.15in

Visibility

How far you can see at Petrolia, the next 44 hours

Visibility stays 4 miles or more through Sun 8 AM, lowest 5 miles Fri 8 PM.

FriSatSun

On the radar over Petrolia, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Petrolia, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.9 miles away.

measured now4 instruments

measured daily2 instruments

Chicora 4.5 ENEPA-AR-20

In a volunteer observer's own ground/4.9 mi away/1,254 ft/66 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Butler Co. (AWOS), drawn

The nearest airport reporting now, 20.6 mi from Petrolia, Pennsylvania. From its report of Oct 16, 2026, 12:56 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 900 ft, broken at 1,400 ft, overcast at 2,300 ft; the ceiling is 1,400 ft; visibility 10 mi or more.

Section of the sky over Butler Co. (AWOS), height above the station to scale: a few clouds cloud with its base at 900 feet, broken cloud with its base at 1,400 feet, overcast cloud with its base at 2,300 feet, the ceiling at 1,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTPFIG. A THE SKY OVER BUTLER CO. (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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,300 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 1,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEButler Co. (AWOS), the skySTATION REPORT · ASOS BTPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BTP-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

63.0 F with a dew point of 62.0 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 900 ft.

Chart of the air at Butler Co. (AWOS): temperature 63.0 degrees Fahrenheit and dew point 62.0, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTPFIG. B THE AIR AT BUTLER CO. (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 STATION01,0002,0003,00050 F60 F70 FSATURATES 200 FT ABOVE THE STATION, AT 61.8 FLOWEST CLOUD REPORTED, FEW 900 FTTEMPERATURE AND DEW POINT 63.0 F, 62.0 FRELATIVE HUMIDITY 97 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 POINTTITLEButler Co. (AWOS), the airSTATION REPORT · ASOS BTPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BTP-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 13 mph, gusting 21 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Butler Co. (AWOS), north up: blowing from 280 degrees, the west, at 13 miles an hour, gusting 21; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTPFIG. C THE WIND AT BUTLER CO. (AWOS)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEButler Co. (AWOS), the windSTATION REPORT · ASOS BTPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BTP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Pennsylvania

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

Near Petrolia

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

Near Petrolia

River and lake gauges