Storm Station
Sign in

Plum Branch, South Carolina

Town in McCormick County, South Carolina

Air quality

The air at Plum Branch

Index 75, moderate, led by fine particles. Read at 6 AM from its reporting area, Aiken-Augusta - SC and GA (SC), 37 miles off.

75Moderate
  • Fine particles (PM2.5)75Moderate24.5 mi
  • Ozone20Good20 ppb24.5 mi
  • Sulfur dioxide0Good0.2 ppb24.5 mi

The days ahead

Yesterday measured 80, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at Plum Branch

None in the last 3 days, to Fri 5 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 Plum Branch, the next 45 hours

Visibility stays 9 miles or more through Sun 2 AM, lowest 9 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Plum Branch, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now4 instruments

US-25 @ I-20SC014

Beside a road/27.4 mi away/499 ft/26 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Plum Branch 0.9 NESC-MC-13

In a volunteer observer's own ground/0.9 mi away/436 ft/37 ft below here

precip, snowfall, snow depth

Rank-

McCormickMCCS1

At a cooperative observer's station/7.8 mi away/465 ft/8 ft below here

snowfall, snow depth, precip, high, low

Rank1,126of 1,128

Station report

The weather at Greenwood County Airport, drawn

The nearest airport reporting now, 28.2 mi from Plum Branch, South Carolina. From its report of Oct 16, 2026, 5:56 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 Greenwood County Airport, 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 GRDFIG. A THE SKY OVER GREENWOOD COUNTY AIRPORTSECTION, 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 MORE0510TITLEGreenwood County Airport, the skySTATION REPORT · ASOS GRDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GRD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

66.0 F with a dew point of 62.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Greenwood County Airport: temperature 66.0 degrees Fahrenheit and dew point 62.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GRDFIG. B THE AIR AT GREENWOOD COUNTY AIRPORTTHE 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 900 FT ABOVE THE STATION, AT 61.0 FTEMPERATURE 66.0 FDEW POINT 62.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLEGreenwood County Airport, the airSTATION REPORT · ASOS GRDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GRD-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Greenwood County Airport, north up: blowing from 190 degrees, the south, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GRDFIG. C THE WIND AT GREENWOOD COUNTY AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreenwood County Airport, the windSTATION REPORT · ASOS GRDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GRD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at McCormick (MCCS1), 7.8 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in South Carolina

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

Near Plum Branch

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

Near Plum Branch

River and lake gauges