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Mount Vernon, Kentucky

City in Rockcastle County, Kentucky

Air quality

The air at Mount Vernon

Index 52, moderate, led by fine particles. Read at 3 AM from its reporting area, Lexington (KY), 49 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate-
  • Ozone36Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 37, 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 Mount Vernon

0.10 in in the last 24 hours, 1.55 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.10in
Last 3 days
1.55in

Visibility

How far you can see at Mount Vernon, the next 41 hours

Visibility stays 4 miles or more through Sat 8 PM, lowest 5 miles Fri 2 PM.

FriSat

On the radar over Mount Vernon, KentuckyReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Mount Vernon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.2 miles away.

measured now4 instruments

I-75 at mile 4111_75_0041

Beside a road/18.9 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

RichmondRGA

At an airfield/19.1 mi away/968 ft/170 ft below here

temp, wind, gust, visibility, precip, pressure

Rank245of 692

measured daily2 instruments

Orlando 2.4 NEKY-RC-6

In a volunteer observer's own ground/6.2 mi away/981 ft/157 ft below here

precip, snowfall, snow depth

Rank-

Crab OrchardCBOK2

On a farm or research station/10.2 mi away/1,109 ft/29 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Richmond, drawn

The nearest airport reporting now, 19.1 mi from Mount Vernon, Kentucky. From its report of Oct 16, 2026, 3:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 11,000 ft; visibility 10 mi or more.

Section of the sky over Richmond, height above the station to scale: scattered cloud with its base at 11,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RGAFIG. A THE SKY OVER RICHMONDSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 11,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLERichmond, the skySTATION REPORT · ASOS RGATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RGA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

71.6 F with a dew point of 59.0 F, 64 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at Richmond: temperature 71.6 degrees Fahrenheit and dew point 59.0, 64 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RGAFIG. B THE AIR AT RICHMONDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00050 F60 F70 F80 FSATURATES 2,900 FT ABOVE THE STATION, AT 56.1 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 11,000 FTTEMPERATURE 71.6 FDEW POINT 59.0 FSPREAD 12.6 FRELATIVE HUMIDITY 64 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 POINTTITLERichmond, the airSTATION REPORT · ASOS RGATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RGA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Richmond, north up: blowing from 220 degrees, the southwest, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RGAFIG. C THE WIND AT RICHMONDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERichmond, the windSTATION REPORT · ASOS RGATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RGA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Kentucky

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

Near Mount Vernon

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

Near Mount Vernon

River and lake gauges