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St. Charles, South Carolina

Community in Lee County, South Carolina

Air quality

The air at St. Charles

Index 55, moderate, led by fine particles. Read at 4 AM from its reporting area, Florence and Darlington (SC), 30 miles off.

55Moderate
  • Fine particles (PM2.5)55Moderate-
  • Ozone38Good-

The days ahead

Yesterday measured 74, moderate.

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 St. Charles

None in the last 3 days, to Fri 4 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 St. Charles, the next 41 hours

Visibility stays 5 miles or more through Sat 8 PM, lowest 6 miles Sat 4 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest St. Charles, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.3 miles away.

measured now5 instruments

SumterSMS

At an airfield/9.5 mi away/182 ft/12 ft above here

temp, wind, gust, visibility, precip, pressure

Rank633of 1,128

Pee DeeS2037

At a soil climate station/32.2 mi away/120 ft/50 ft below here

temp, humidity, soil temp, soil moisture

Rank777of 1,128

measured daily2 instruments

Sumter 9.8 NNESC-SM-31

In a volunteer observer's own ground/5.3 mi away/179 ft/9 ft above here

precip, snowfall, snow depth

Rank-

BishopvilleBSPS1

At a cooperative observer's station/9.6 mi away/207 ft/37 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sumter, drawn

The nearest airport reporting now, 9.5 mi from St. Charles, 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 Sumter, 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 SMSFIG. A THE SKY OVER SUMTERSECTION, 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 MORE0510TITLESumter, the skySTATION REPORT · ASOS SMSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SMS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

64.4 F with a dew point of 64.4 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Sumter: temperature 64.4 degrees Fahrenheit and dew point 64.4, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SMSFIG. B THE AIR AT SUMTERTHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 64.4 F, 64.4 FRELATIVE HUMIDITY 100 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 POINTTITLESumter, the airSTATION REPORT · ASOS SMSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SMS-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 Sumter, 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 SMSFIG. C THE WIND AT SUMTERPLAN, 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 FORCE73TITLESumter, the windSTATION REPORT · ASOS SMSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SMS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Bishopville (BSPS1), 9.6 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 St. Charles

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

Near St. Charles

River and lake gauges