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St. Marys, Pennsylvania

City in Elk County, Pennsylvania

Air quality

The air at St. Marys

Index 25, good, led by ozone. Read at 12 AM from its reporting area, State College (PA), 57 miles off.

25Good
  • Fine particles (PM2.5)21Good21.7 mi
  • Ozone25Good20 ppb21.7 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 38, good.

Smoke, the next 45 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 St. Marys

None in the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at St. Marys, the next 45 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Sat 7 AM.

FriSat

On the radar over St. Marys, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest St. Marys, 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

St MarysOYM

At an airfield/2.9 mi away/1,900 ft/217 ft above here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

St Marys 3.1 NNWPA-EL-6

In a volunteer observer's own ground/3.2 mi away/2,068 ft/385 ft above here

precip, snowfall, snow depth

Rank-

Glen HazelWLXP1

At a cooperative observer's station/9.9 mi away/1,962 ft/279 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Citizen station DW7067, drawn

The nearest instrument reporting now, 20.2 mi from St. Marys, Pennsylvania. From its report of undefined: 3 of its 4 sheets.

The wind

From the west (262 degrees) at 3 mph, gusting 7 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station DW7067, north up: blowing from 262 degrees, the west, at 3 miles an hour, gusting 7; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW7067FIG. C THE WIND AT CITIZEN STATION DW7067PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 262°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE4GUST, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station DW7067, the windSTATION REPORT · CWOP DW7067TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-DW7067-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,652 ft above sea level, 6 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.18 inHg and the temperature at 53.1 F; the station's altimeter setting of 29.97 inHg means its barometer reads 28.22 inHg; it reports 58.0 F, 4.9 F warmer than standard.

Section from sea level of where Citizen station DW7067 stands in the atmosphere, height to scale: the station 1,652 feet above sea level with 6 per cent of the air below it; the standard atmosphere's pressure there, 28.18 inches of mercury, and temperature, 53.1 degrees Fahrenheit; the altimeter setting of 29.97 and the station pressure it means, 28.22.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW7067FIG. D WHERE CITIZEN STATION DW7067 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION DW70676 PER CENT OF THE AIR BELOW IT1,652 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.18 inHgSTANDARD TEMPERATURE HERE53.1 FALTIMETER SETTING, REPORTED29.97 inHgITS BAROMETER READS28.22 inHgTEMPERATURE, REPORTED58.0 FTITLECitizen station DW7067, the columnSTATION REPORT · CWOP DW7067TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-DW7067-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 39 degrees above the horizon at 41.72 N, and the day is 10 h 55 min long. Level ground there takes 63 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station DW7067, angles true: on Oct 16 it stands 39 degrees above the horizon, against 72 at the June solstice, 48 at the equinoxes and 25 at the December solstice; the day is 10 h 55 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DW7067FIG. E THE SUN AT CITIZEN STATION DW7067ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 72°EQUINOXES 48°DECEMBER SOLSTICE 25°OCT 16, 39°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 55 MINLEVEL GROUND TAKES 63 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 41.72 N; THE SUN'S DECLINATION -9.1°TITLECitizen station DW7067, the sunSTATION REPORT · CWOP DW7067TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-DW7067-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station DW7067, in 4 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 St. Marys

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

Near St. Marys

River and lake gauges