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Klahr, Pennsylvania

Community in Blair County, Pennsylvania

Air quality

The air at Klahr

Index 27, good, led by fine particles. Read at 12 AM from its reporting area, Altoona (PA), 16 miles off.

27Good
  • Fine particles (PM2.5)27Good16.2 mi
  • Ozone11Good14 ppb16.2 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 40, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Klahr

None in the last 24 hours; 0.29 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.29in

Visibility

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

Dense fog: visibility falls to 0.1 miles Fri 1 AM, under a mile for 3 hours.

FriSat

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

What is measuring near here

The 6 instruments nearest Klahr, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.9 miles away.

measured now4 instruments

measured daily2 instruments

Cresson 0.6 NEPA-CM-14

In a volunteer observer's own ground/12.3 mi away/2,187 ft/520 ft above here

precip, snowfall, snow depth

Rank-

Windber 7SEWNBP1

At a cooperative observer's station/12.9 mi away/2,615 ft/948 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Altoona/Blair Co., drawn

The nearest airport reporting now, 10.3 mi from Klahr, Pennsylvania. From its report of Oct 15, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

Overcast at 400 ft; the ceiling is 400 ft; visibility 7 mi.

Section of the sky over Altoona/Blair Co., height above the station to scale: overcast cloud with its base at 400 feet, the ceiling at 400 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AOOFIG. A THE SKY OVER ALTOONA/BLAIR CO.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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 400 FTVISIBILITY, MILES: 7 MI0510TITLEAltoona/Blair Co., the skySTATION REPORT · ASOS AOOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AOO-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

55.0 F with a dew point of 54.0 F, 96 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 400 ft.

Chart of the air at Altoona/Blair Co.: temperature 55.0 degrees Fahrenheit and dew point 54.0, 96 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 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AOOFIG. B THE AIR AT ALTOONA/BLAIR CO.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 STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 200 FT ABOVE THE STATION, AT 53.7 FLOWEST CLOUD REPORTED, OVC 400 FTTEMPERATURE AND DEW POINT 55.0 F, 54.0 FRELATIVE HUMIDITY 96 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 POINTTITLEAltoona/Blair Co., the airSTATION REPORT · ASOS AOOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AOO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Altoona/Blair Co., north up: blowing from 190 degrees, the south, at 6 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 AOOFIG. C THE WIND AT ALTOONA/BLAIR CO.PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAltoona/Blair Co., the windSTATION REPORT · ASOS AOOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AOO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Altoona/Blair Co., 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 Klahr

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

Near Klahr

River and lake gauges