Storm Station
Sign in

McConnells, South Carolina

Town in York County, South Carolina

Air quality

The air at McConnells

Index 12, good, led by ozone. Read at 4 AM from its reporting area, York, Chester, and Lancaster (SC), 12 miles off.

12Good
  • Fine particles (PM2.5)-20.4 mi
  • Ozone12Good0 ppb20.4 mi

The days ahead

Yesterday measured 38, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at McConnells

None in the last 3 days, to Fri 3 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 McConnells, the next 41 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Sat 6 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest McConnells, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now4 instruments

ChesterDCM

At an airfield/5.9 mi away/656 ft/30 ft below here

temp, wind, gust, visibility, precip, pressure

Rank264of 1,128

I-85 @ SC-198SC015

Beside a road/25.0 mi away/666 ft/20 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

McConnells 1.1 NNESC-YR-105

In a volunteer observer's own ground/1.3 mi away/672 ft/14 ft below here

precip, snowfall, snow depth

Rank-

York 4 SYORS1

At a cooperative observer's station/4.8 mi away/735 ft/49 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chester, drawn

The nearest airport reporting now, 5.9 mi from McConnells, South Carolina. From its report of Oct 16, 2026, 4:35 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 Chester, 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 DCMFIG. A THE SKY OVER CHESTERSECTION, 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 MORE0510TITLEChester, the skySTATION REPORT · ASOS DCMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DCM-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

64.4 F with a dew point of 62.6 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Chester: temperature 64.4 degrees Fahrenheit and dew point 62.6, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DCMFIG. B THE AIR AT CHESTERTHE 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 400 FT ABOVE THE STATION, AT 62.1 FTEMPERATURE AND DEW POINT 64.4 F, 62.6 FRELATIVE HUMIDITY 94 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 POINTTITLEChester, the airSTATION REPORT · ASOS DCMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DCM-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Chester, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DCMFIG. C THE WIND AT CHESTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChester, the windSTATION REPORT · ASOS DCMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DCM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in South Carolina

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

Near McConnells

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

Near McConnells

River and lake gauges