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Mahaffey, Pennsylvania

Borough in Clearfield County, Pennsylvania

Air quality

The air at Mahaffey

Index 28, good, led by ozone. Read at 3 PM from its reporting area, Indiana County (PA), 24 miles off.

28Good
  • Fine particles (PM2.5)20Good19.6 mi
  • Ozone28Good22 ppb19.6 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 22, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at Mahaffey

0.91 in in the last 24 hours, 0.95 in over the last 3 days, to Fri 2 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.91in
Last 3 days
0.95in

Visibility

How far you can see at Mahaffey, the next 42 hours

Visibility stays 6 miles or more through Sun 8 AM, lowest 6 miles Fri 10 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Mahaffey, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

measured daily2 instruments

Mahaffey 0.2 NPA-CF-10

In a volunteer observer's own ground/0.2 mi away/1,294 ft/23 ft below here

precip, snowfall, snow depth

Rank-

Grampian PaGRMP1

At a cooperative observer's station/9.6 mi away/1,522 ft/205 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Clearfield-Lawrence Apt(Was N97), drawn

The nearest airport reporting now, 20.2 mi from Mahaffey, Pennsylvania. From its report of Oct 16, 2026, 2:54 PM local time: 3 of its 6 sheets.

The sky

Scattered at 2,400 ft, scattered at 3,800 ft, overcast at 5,500 ft; the ceiling is 5,500 ft; visibility 10 mi or more.

Section of the sky over Clearfield-Lawrence Apt(Was N97), height above the station to scale: scattered cloud with its base at 2,400 feet, scattered cloud with its base at 3,800 feet, overcast cloud with its base at 5,500 feet, the ceiling at 5,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FIGFIG. A THE SKY OVER CLEARFIELD-LAWRENCE APT(WAS N97)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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 5,500 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 3,800 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYSCT 2,400 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 5,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEClearfield-Lawrence Apt(Was N97), the skySTATION REPORT · ASOS FIGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FIG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

61.0 F with a dew point of 57.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 2,400 ft.

Chart of the air at Clearfield-Lawrence Apt(Was N97): temperature 61.0 degrees Fahrenheit and dew point 57.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 2,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FIGFIG. B THE AIR AT CLEARFIELD-LAWRENCE APT(WAS N97)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 900 FT ABOVE THE STATION, AT 56.0 FLOWEST CLOUD REPORTED, SCT 2,400 FTTEMPERATURE 61.0 FDEW POINT 57.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLEClearfield-Lawrence Apt(Was N97), the airSTATION REPORT · ASOS FIGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FIG-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 13 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Clearfield-Lawrence Apt(Was N97), north up: blowing from 290 degrees, the west northwest, at 13 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FIGFIG. C THE WIND AT CLEARFIELD-LAWRENCE APT(WAS N97)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEClearfield-Lawrence Apt(Was N97), the windSTATION REPORT · ASOS FIGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FIG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Clearfield-Lawrence Apt(Was N97), 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 Mahaffey

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

Near Mahaffey

River and lake gauges