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Spring Mill, Kentucky

City in Jefferson County, Kentucky

Air quality

The air at Spring Mill

Index 60, moderate, led by fine particles. Read at 11 PM from its reporting area, Louisville (KY), 4 miles off.

60Moderate
  • Fine particles (PM2.5)60Moderate4.2 mi
  • Ozone28Good32 ppb4.2 mi
  • Coarse particles (PM10)42Good4.2 mi
  • Sulfur dioxide4Good3.2 ppb6.3 mi
  • Carbon monoxide-0.3 ppm5.8 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 49, good.

Smoke, the next 45 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 Spring Mill

0.69 in in the last 24 hours, 1.40 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.69in
Last 3 days
1.40in

Visibility

How far you can see at Spring Mill, the next 45 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 9 miles Fri 6 AM.

FriSat

On the radar over Spring Mill, KentuckyReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Spring Mill, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now4 instruments

US-31 at mile 7.305_31_007.3

Beside a road/13.8 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Louisville KyLMK

At a cooperative observer's station/2.1 mi away/653 ft/3 ft below here

snowfall, snow depth, precip, high, low

Rank20of 692

Fern Creek 0.8 SSEKY-JF-104

In a volunteer observer's own ground/2.2 mi away/698 ft/42 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Louisville Intl, drawn

The nearest airport reporting now, 5.8 mi from Spring Mill, Kentucky. From its report of Oct 15, 2026, 10:56 PM 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 62.0 F, 60 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,500 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 62.0, 60 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,500 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 STATION02,0004,0006,0008,00010,00012,00050 F60 F70 F80 F90 FSATURATES 3,500 FT ABOVE THE STATION, AT 58.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 16,000 FTTEMPERATURE 77.0 FDEW POINT 62.0 FSPREAD 15.0 FRELATIVE HUMIDITY 60 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 south southwest (200 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Louisville Intl, north up: blowing from 200 degrees, the south southwest, at 8 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 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 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

0in

Snow on the ground

Measured at Louisville Ky (LMK), 2.1 miles from here, read 15 Oct, 14:00. measured daily

Elsewhere in Kentucky

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

Near Spring Mill

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

Near Spring Mill

River and lake gauges