Storm Station
Tarentum, Pennsylvania
59°
Mostly clear· Feels like 59°·Light air 2 mph NW
Mostly sunny, with a high near 72. North wind 7 to 13 mph.
-UV
32Air quality
69%Humidity
13%Cloud

What is measuring near here

The 5 instruments nearest Tarentum, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now3 instruments

Butler Co. (AWOS)BTP

At an airfield/15.7 mi away/1,247 ft/425 ft above here

temp, wind, gust, visibility, precip, pressure

Rank3of 544

Slippery RockSLPP1

At a river or reservoir gauge/39.0 mi away/1,224 ft/402 ft above here

temp, wind, gust, humidity, pressure

Rank364of 544

measured daily2 instruments

ATI BrackenridgePA-AL-206

In a volunteer observer's own ground/0.8 mi away/784 ft/38 ft below here

precip, snowfall, snow depth

Rank-

Natrona DamNATP1

At a dam/2.0 mi away/745 ft/77 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Butler Co. (AWOS), drawn

The nearest airport reporting now, 15.7 mi from Tarentum. From its report of Sep 27, 2026, 7:56 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Butler Co. (AWOS), height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEButler Co. (AWOS), the skySTATION REPORT · ASOS BTPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-BTP-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

55.0 F with a dew point of 49.0 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Butler Co. (AWOS): temperature 55.0 degrees Fahrenheit and dew point 49.0, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; 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 STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 1,400 FT ABOVE THE STATION, AT 47.6 FTEMPERATURE 55.0 FDEW POINT 49.0 FSPREAD 6.0 FRELATIVE HUMIDITY 80 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 6DATE2026-09-27IDSR-BTP-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 16 mph.

Plan of the wind at Butler Co. (AWOS), north up: blowing from 330 degrees, the north northwest, at 9 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 BTPFIG. C THE WIND AT BUTLER CO. (AWOS)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEButler Co. (AWOS), the windSTATION REPORT · ASOS BTPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

0in

Snow on the ground

Measured at Natrona Dam (NATP1), 2.0 miles from here, read 27 Sep, 07:00. measured daily

Elsewhere in Pennsylvania

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

Near Tarentum

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