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White Knoll, South Carolina

Community in Lexington County, South Carolina

Air quality

The air at White Knoll

Index 76, moderate, led by fine particles. Read at 2 AM from its reporting area, Columbia (SC), 22 miles off.

76Moderate
  • Fine particles (PM2.5)76Moderate-
  • Ozone42Good-
  • Coarse particles (PM10)25Good-

The days ahead

Yesterday measured 87, moderate.

Smoke, the next 42 hours

Smoke near the ground peaks at index 53, moderate, Fri 6 AM.

FriSat

Precipitation

What has fallen at White Knoll

None in the last 3 days, to Fri 2 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 White Knoll, the next 42 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 8 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest White Knoll, 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 now5 instruments

I-26 @ I-126SC011

Beside a road/11.9 mi away/210 ft/114 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Lexington 5.9 SSC-LX-151

In a volunteer observer's own ground/0.3 mi away/395 ft/71 ft above here

precip, snowfall, snow depth

Rank-

PelionPLNS1

At a cooperative observer's station/12.6 mi away/364 ft/40 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Columbia Metro, drawn

The nearest airport reporting now, 7.3 mi from White Knoll, South Carolina. From its report of Oct 16, 2026, 2:56 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 Columbia Metro, 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 CAEFIG. A THE SKY OVER COLUMBIA METROSECTION, 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 MORE0510TITLEColumbia Metro, the skySTATION REPORT · ASOS CAETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CAE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

67.0 F with a dew point of 65.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Columbia Metro: temperature 67.0 degrees Fahrenheit and dew point 65.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CAEFIG. B THE AIR AT COLUMBIA METROTHE 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 500 FT ABOVE THE STATION, AT 64.5 FTEMPERATURE AND DEW POINT 67.0 F, 65.0 FRELATIVE HUMIDITY 93 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 POINTTITLEColumbia Metro, the airSTATION REPORT · ASOS CAETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CAE-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (260 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Columbia Metro, north up: blowing from 260 degrees, the west, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CAEFIG. C THE WIND AT COLUMBIA METROPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEColumbia Metro, the windSTATION REPORT · ASOS CAETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CAE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Pelion (PLNS1), 12.6 miles from here, read 10 Oct, 08:00. measured daily

Elsewhere in South Carolina

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

Near White Knoll

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

Near White Knoll

River and lake gauges