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St. Clairsville, Ohio

City in Belmont County, Ohio

Air quality

The air at St. Clairsville

Index 23, good, led by ozone. Read at 10 AM from its reporting area, Wheeling (WV), 11 miles off.

23Good
  • Fine particles (PM2.5)-14.3 mi
  • Ozone23Good25 ppb10.8 mi
  • Coarse particles (PM10)-24.8 mi
  • Sulfur dioxide0Good0 ppb24.8 mi

The days ahead

Yesterday measured 14, good.

Smoke, the next 40 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at St. Clairsville

None in the last 24 hours; 0.24 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.24in

Visibility

How far you can see at St. Clairsville, the next 40 hours

Visibility stays 7 miles or more through Sun 2 AM, lowest 8 miles Fri 8 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest St. Clairsville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

measured daily2 instruments

St. Clairsville 0.4 NNWOH-BL-11

In a volunteer observer's own ground/0.3 mi away/1,227 ft/64 ft above here

precip, snowfall, snow depth

Rank-

PiedmontPDTO1

At a cooperative observer's station/18.4 mi away/919 ft/244 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Steubenville, drawn

The nearest airport reporting now, 22.1 mi from St. Clairsville, Ohio. From its report of Oct 16, 2026, 10:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,200 ft; the ceiling is 2,200 ft; visibility 10 mi or more.

Section of the sky over Steubenville, height above the station to scale: overcast cloud with its base at 2,200 feet, the ceiling at 2,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2G2FIG. A THE SKY OVER STEUBENVILLESECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,200 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESteubenville, the skySTATION REPORT · ASOS 2G2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-2G2-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

71.6 F with a dew point of 64.4 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 2,200 ft.

Chart of the air at Steubenville: temperature 71.6 degrees Fahrenheit and dew point 64.4, 78 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, against the lowest cloud reported at 2,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2G2FIG. B THE AIR AT STEUBENVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 1,700 FT ABOVE THE STATION, AT 62.7 FLOWEST CLOUD REPORTED, OVC 2,200 FTTEMPERATURE 71.6 FDEW POINT 64.4 FSPREAD 7.2 FRELATIVE HUMIDITY 78 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 POINTTITLESteubenville, the airSTATION REPORT · ASOS 2G2TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-2G2-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 14 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Steubenville, north up: blowing from 250 degrees, the west southwest, at 14 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2G2FIG. C THE WIND AT STEUBENVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESteubenville, the windSTATION REPORT · ASOS 2G2TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-2G2-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Ohio

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

Near St. Clairsville

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

Near St. Clairsville

River and lake gauges