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Longfellow, Pennsylvania

Community in Mifflin County, Pennsylvania

Air quality

The air at Longfellow

Index 18, good, led by fine particles. Read at 4 AM from its reporting area, State College (PA), 23 miles off.

18Good
  • Fine particles (PM2.5)18Good24.1 mi
  • Ozone15Good15 ppb24.1 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 29, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Longfellow

0.02 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.02in

Visibility

How far you can see at Longfellow, the next 41 hours

Mist or haze: visibility falls to 2 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Longfellow, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.6 miles away.

measured now5 instruments

Big KnobBGNP1

At a river or reservoir gauge/11.9 mi away/2,159 ft/1,531 ft above here

temp, wind, gust, humidity, pressure

Rank268of 1,383

ReedsvilleRVL

At an airfield/12.1 mi away/810 ft/182 ft above here

temp, wind, gust, visibility, precip, pressure

Rank787of 1,383

measured daily2 instruments

Lewistown 4.1 WSWPA-MF-6

In a volunteer observer's own ground/4.6 mi away/643 ft/15 ft above here

precip, snowfall, snow depth

Rank-

LewistownLSTP1

At a cooperative observer's station/7.5 mi away/476 ft/152 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Reedsville, drawn

The nearest airport reporting now, 12.1 mi from Longfellow, Pennsylvania. From its report of Oct 16, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 100 ft, overcast at 800 ft; the ceiling is 800 ft; visibility 6 mi.

Section of the sky over Reedsville, height above the station to scale: a few clouds cloud with its base at 100 feet, overcast cloud with its base at 800 feet, the ceiling at 800 feet, and visibility of 6 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RVLFIG. A THE SKY OVER REEDSVILLESECTION, 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 SHEETOVC 800 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 100 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 800 FTVISIBILITY, MILES: 6 MI0510TITLEReedsville, the skySTATION REPORT · ASOS RVLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RVL-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

59.0 F with a dew point of 57.2 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 100 ft.

Chart of the air at Reedsville: temperature 59.0 degrees Fahrenheit and dew point 57.2, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RVLFIG. B THE AIR AT REEDSVILLETHE 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 400 FT ABOVE THE STATION, AT 56.7 FLOWEST CLOUD REPORTED, FEW 100 FTTEMPERATURE AND DEW POINT 59.0 F, 57.2 FRELATIVE HUMIDITY 94 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 POINTTITLEReedsville, the airSTATION REPORT · ASOS RVLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RVL-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Reedsville, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RVLFIG. C THE WIND AT REEDSVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEReedsville, the windSTATION REPORT · ASOS RVLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RVL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Lewistown (LSTP1), 7.5 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Pennsylvania

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

Near Longfellow

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

Near Longfellow

River and lake gauges