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Mount Croghan, South Carolina

Town in Chesterfield County, South Carolina

Air quality

The air at Mount Croghan

Index 38, good, led by ozone. Read at 12 PM from its reporting area, Union County (NC), 23 miles off.

38Good
  • Fine particles (PM2.5)-10.8 mi
  • Ozone38Good43 ppb10.8 mi

The days ahead

Highest 71, moderate, today, led by ozone. Yesterday measured 49, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 8 AM: the index from smoke stays at 50 or under.

FriSatSun

Precipitation

What has fallen at Mount Croghan

None in the last 3 days, to Fri 11 AM. 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 Mount Croghan, the next 45 hours

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

FriSatSun

On the radar over Mount Croghan, South CarolinaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Mount Croghan, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.5 miles away.

measured now3 instruments

CherawCQW

At an airfield/15.9 mi away/239 ft/206 ft below here

temp, wind, gust, visibility, precip, pressure

Rank210of 1,128

measured daily2 instruments

Pageland 2.1 ENESC-CF-16

In a volunteer observer's own ground/7.5 mi away/566 ft/121 ft above here

precip, snowfall, snow depth

Rank-

ChesterfieldCTFS1

At a cooperative observer's station/11.1 mi away/220 ft/225 ft below here

snowfall, snow depth, precip, high, low

Rank1,071of 1,128

Station report

The weather at Cheraw, drawn

The nearest airport reporting now, 15.9 mi from Mount Croghan, South Carolina. From its report of Oct 16, 2026, 12:15 PM 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 Cheraw, 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 CQWFIG. A THE SKY OVER CHERAWSECTION, 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 MORE0510TITLECheraw, the skySTATION REPORT · ASOS CQWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CQW-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

86.0 F with a dew point of 66.2 F, 52 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,600 ft up.

Chart of the air at Cheraw: temperature 86.0 degrees Fahrenheit and dew point 66.2, 52 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CQWFIG. B THE AIR AT CHERAWTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00050 F60 F70 F80 F90 F100 FSATURATES 4,600 FT ABOVE THE STATION, AT 61.6 FTEMPERATURE 86.0 FDEW POINT 66.2 FSPREAD 19.8 FRELATIVE HUMIDITY 52 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 POINTTITLECheraw, the airSTATION REPORT · ASOS CQWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CQW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Cheraw, north up: blowing from 200 degrees, the south southwest, 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 CQWFIG. C THE WIND AT CHERAWPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECheraw, the windSTATION REPORT · ASOS CQWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CQW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Chesterfield (CTFS1), 11.1 miles from here, read 14 Oct, 09:30. measured daily

Elsewhere in South Carolina

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

Near Mount Croghan

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

Near Mount Croghan

River and lake gauges