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Louisville, Tennessee

City in Blount County, Tennessee

Air quality

The air at Louisville

Index 44, good, led by ozone. Read at 7 AM from its reporting area, Great Smoky Mtns. Natl. Park - TN (TN), 14 miles off.

44Good
  • Fine particles (PM2.5)-6.1 mi
  • Ozone44Good1 ppb14.7 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 38, good.

Smoke, the next 43 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Louisville

None in the last 3 days, to Fri 7 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 Louisville, the next 43 hours

Visibility stays 5 miles or more through Sun 2 AM, lowest 5 miles Fri 11 PM.

FriSat

On the radar over Louisville, TennesseeReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Louisville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now3 instruments

measured daily2 instruments

KnoxvilleKNXT1

At a cooperative observer's station/5.8 mi away/817 ft/234 ft below here

snowfall, snow depth, precip, high, low

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Station report

The weather at Knoxville Municipal, drawn

The nearest airport reporting now, 2.6 mi from Louisville, Tennessee. From its report of Oct 16, 2026, 6:53 AM local time: 3 of its 6 sheets.

The sky

Scattered at 4,700 ft; visibility 10 mi or more.

Section of the sky over Knoxville Municipal, height above the station to scale: scattered cloud with its base at 4,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TYSFIG. A THE SKY OVER KNOXVILLE MUNICIPALSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETSCT 4,700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEKnoxville Municipal, the skySTATION REPORT · ASOS TYSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TYS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

68.0 F with a dew point of 64.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 4,700 ft.

Chart of the air at Knoxville Municipal: temperature 68.0 degrees Fahrenheit and dew point 64.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 4,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TYSFIG. B THE AIR AT KNOXVILLE MUNICIPALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00050 F60 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 63.0 FLOWEST CLOUD REPORTED, SCT 4,700 FTTEMPERATURE 68.0 FDEW POINT 64.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLEKnoxville Municipal, the airSTATION REPORT · ASOS TYSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-TYS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Knoxville Municipal, north up: blowing from 200 degrees, the south southwest, at 7 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 TYSFIG. C THE WIND AT KNOXVILLE MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEKnoxville Municipal, the windSTATION REPORT · ASOS TYSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-TYS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Tennessee

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

Near Louisville

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

Near Louisville

River and lake gauges