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Sylvester, West Virginia

Town in Boone County, West Virginia

Air quality

The air at Sylvester

Index 37, good, led by fine particles. Read at 4 AM from its reporting area, Charleston (WV), 23 miles off.

37Good
  • Fine particles (PM2.5)37Good23.5 mi
  • Ozone4Good0 ppb23.5 mi

The days ahead

Yesterday measured 22, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Sylvester

0.22 in in the last 24 hours, 0.72 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.22in
Last 3 days
0.72in

Visibility

How far you can see at Sylvester, the next 41 hours

Visibility stays 5 miles or more through Sat 8 PM, lowest 6 miles Fri 3 PM.

FriSat

On the radar over Sylvester, West VirginiaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Sylvester, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.8 miles away.

measured now3 instruments

Logan6L4

At an airfield/22.2 mi away/1,650 ft/862 ft above here

temp, wind, gust, visibility, precip, pressure

Rank370of 711

measured daily2 instruments

Eskdale 2.5 NWV-KN-49

In a volunteer observer's own ground/9.8 mi away/719 ft/69 ft below here

precip, snowfall, snow depth

Rank-

MadisonMADW2

At a cooperative observer's station/14.7 mi away/1,250 ft/462 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Logan, drawn

The nearest airport reporting now, 22.2 mi from Sylvester, West Virginia. From its report of Oct 16, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 6,000 ft; visibility 10 mi or more.

Section of the sky over Logan, height above the station to scale: scattered cloud with its base at 6,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 6L4FIG. A THE SKY OVER LOGANSECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETSCT 6,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLELogan, the skySTATION REPORT · ASOS 6L4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-6L4-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

71.6 F with a dew point of 68.0 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Logan: temperature 71.6 degrees Fahrenheit and dew point 68.0, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 6,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 6L4FIG. B THE AIR AT LOGANTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00060 F70 F80 FSATURATES 800 FT ABOVE THE STATION, AT 67.1 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 6,000 FTTEMPERATURE 71.6 FDEW POINT 68.0 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLELogan, the airSTATION REPORT · ASOS 6L4TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-6L4-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Logan, north up: blowing from 210 degrees, the south southwest, at 5 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 6L4FIG. C THE WIND AT LOGANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELogan, the windSTATION REPORT · ASOS 6L4TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-6L4-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in West Virginia

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

Near Sylvester

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

Near Sylvester

River and lake gauges