Storm Station
Casselman, Pennsylvania
57°
Overcast· Feels like 57°·Light air 3 mph NW
Mostly cloudy, with a low around 48. Northwest wind around 6 mph.
-UV
-Air quality
77%Humidity
80%Cloud

What is measuring near here

The 5 instruments nearest Casselman, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.8 miles away.

measured now3 instruments

US 219 SB Garrett BypassPA076

Beside a road/8.7 mi away/2,438 ft/641 ft above here

temp, pavement temp, wind, visibility, precip

Rank476of 543

Somerset2G9

At an airfield/14.7 mi away/2,231 ft/434 ft above here

temp, wind, gust, visibility, precip, pressure

Rank10of 543

Quarry TrailQTRP1

At a river or reservoir gauge/16.9 mi away/2,749 ft/952 ft above here

temp, wind, gust, humidity, pressure

Rank45of 543

measured daily2 instruments

Rockwood 4.3 WPA-SM-6

In a volunteer observer's own ground/2.8 mi away/2,103 ft/306 ft above here

precip, snowfall, snow depth

Rank-

DamCFLP1

At a dam/10.3 mi away/1,499 ft/298 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Somerset, drawn

The nearest airport reporting now, 14.7 mi from Casselman. From its report of Sep 27, 2026, 4:15 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 Somerset, 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 2G9FIG. A THE SKY OVER SOMERSETSECTION, 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 MORE0510TITLESomerset, the skySTATION REPORT · ASOS 2G9TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-2G9-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

50.0 F with a dew point of 42.8 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up.

Chart of the air at Somerset: temperature 50.0 degrees Fahrenheit and dew point 42.8, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2G9FIG. B THE AIR AT SOMERSETTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,700 FT ABOVE THE STATION, AT 41.2 FTEMPERATURE 50.0 FDEW POINT 42.8 FSPREAD 7.2 FRELATIVE HUMIDITY 76 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 POINTTITLESomerset, the airSTATION REPORT · ASOS 2G9TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-2G9-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Somerset, north up: blowing from 330 degrees, the north northwest, at 8 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 2G9FIG. C THE WIND AT SOMERSETPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESomerset, the windSTATION REPORT · ASOS 2G9TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-2G9-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Pennsylvania

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

Near Casselman

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