Storm Station
Slippery Rock, Pennsylvania
51°
Clear· Feels like 51°·Light air 2 mph N
Mostly clear, with a low around 48. North wind around 7 mph.
-UV
-Air quality
89%Humidity
2%Cloud

What is measuring near here

The 5 instruments nearest Slippery Rock, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now3 instruments

Slippery RockSLPP1

At a river or reservoir gauge/3.6 mi away/1,224 ft/126 ft below here

temp, wind, gust, humidity, pressure

Rank361of 543

New CastleUCP

At an airfield/18.9 mi away/1,072 ft/278 ft below here

temp, wind, gust, visibility, precip, pressure

Rank3of 543

measured daily2 instruments

Slippery RockSPPP1

At a cooperative observer's station/0.6 mi away/1,263 ft/87 ft below here

snowfall, snow depth, precip, high, low

Rank-

Slippery Rock 0.6 SSWPA-BT-70

In a volunteer observer's own ground/0.6 mi away/1,292 ft/58 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at New Castle, drawn

The nearest airport reporting now, 18.9 mi from Slippery Rock. From its report of Sep 27, 2026, 5:56 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 New Castle, 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 UCPFIG. A THE SKY OVER NEW CASTLESECTION, 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 MORE0510TITLENew Castle, the skySTATION REPORT · ASOS UCPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-UCP-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 48.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at New Castle: temperature 48.0 degrees Fahrenheit and dew point 48.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UCPFIG. B THE AIR AT NEW CASTLETHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 48.0 F, 48.0 FRELATIVE HUMIDITY 100 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 POINTTITLENew Castle, the airSTATION REPORT · ASOS UCPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-UCP-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 New Castle, 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 UCPFIG. C THE WIND AT NEW CASTLEPLAN, 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 FORCE73TITLENew Castle, the windSTATION REPORT · ASOS UCPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-UCP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Slippery Rock (SPPP1), 0.6 miles from here, read 26 Sep, 07:21. measured daily

Elsewhere in Pennsylvania

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

Near Slippery Rock

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