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Mount Washington, Kentucky

City in Bullitt County, Kentucky

Air quality

The air at Mount Washington

Index 57, moderate, led by fine particles. Read at 1 AM from its reporting area, Louisville (KY), 12 miles off.

57Moderate
  • Fine particles (PM2.5)57Moderate9.9 mi
  • Ozone32Good29 ppb9.1 mi
  • Coarse particles (PM10)38Good9.9 mi
  • Nitrogen dioxide20Good21.1 ppb13.4 mi
  • Sulfur dioxide6Good4.3 ppb14 mi
  • Carbon monoxide-0.3 ppm13.4 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 60, moderate.

Smoke, the next 43 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 Washington

0.10 in in the last 24 hours, 1.20 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.10in
Last 3 days
1.20in

Visibility

How far you can see at Mount Washington, the next 43 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 7 miles Fri 11 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Mount Washington, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

US-31 at mile 7.305_31_007.3

Beside a road/17.6 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Mount Washington 1.2 WSWKY-BT-24

In a volunteer observer's own ground/0.6 mi away/687 ft/1 ft below here

precip, snowfall, snow depth

Rank-

ShepherdsvilleSHNK2

At a cooperative observer's station/3.6 mi away/618 ft/70 ft below here

snowfall, snow depth, precip, high, low

Rank621of 692

Station report

The weather at Louisville Intl, drawn

The nearest airport reporting now, 13.1 mi from Mount Washington, Kentucky. From its report of Oct 16, 2026, 1:56 AM local time: 3 of its 6 sheets.

The sky

Broken at 16,000 ft; the ceiling is 16,000 ft; visibility 10 mi or more.

Section of the sky over Louisville Intl, height above the station to scale: broken cloud with its base at 16,000 feet, the ceiling at 16,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SDFFIG. A THE SKY OVER LOUISVILLE INTLSECTION, 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 STATION05,00010,00015,00020,00025,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 16,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 16,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLELouisville Intl, the skySTATION REPORT · ASOS SDFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SDF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

77.0 F with a dew point of 59.0 F, 54 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,200 ft up; the lowest cloud reported is at 16,000 ft.

Chart of the air at Louisville Intl: temperature 77.0 degrees Fahrenheit and dew point 59.0, 54 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,200 feet above the station, against the lowest cloud reported at 16,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SDFFIG. B THE AIR AT LOUISVILLE INTLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00040 F50 F60 F70 F80 F90 FSATURATES 4,200 FT ABOVE THE STATION, AT 54.9 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 16,000 FTTEMPERATURE 77.0 FDEW POINT 59.0 FSPREAD 18.0 FRELATIVE HUMIDITY 54 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 POINTTITLELouisville Intl, the airSTATION REPORT · ASOS SDFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SDF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Louisville Intl, north up: blowing from 220 degrees, the southwest, at 12 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 SDFFIG. C THE WIND AT LOUISVILLE INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELouisville Intl, the windSTATION REPORT · ASOS SDFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SDF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Kentucky

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

Near Mount Washington

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

Near Mount Washington

River and lake gauges