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Karns, Tennessee

Community in Knox County, Tennessee

Air quality

The air at Karns

Index 57, moderate, led by fine particles. Read at 11 PM from its reporting area, Knoxville (TN), 8 miles off.

57Moderate
  • Fine particles (PM2.5)57Moderate-
  • Ozone39Good-

The days ahead

Highest 51, moderate, today, led by fine particles. Yesterday measured 58, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Karns

None in the last 3 days, to Thu 10 PM. 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 Karns, the next 46 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 9 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Karns, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now3 instruments

Oak RidgeOQT

At an airfield/7.9 mi away/909 ft/97 ft below here

temp, wind, gust, visibility, precip, pressure

Rank274of 1,019

measured daily2 instruments

Knoxville 9.0 WTN-KX-60

In a volunteer observer's own ground/0.9 mi away/999 ft/7 ft below here

precip, snowfall, snow depth

Rank-

Oak Ridge - ATDDOKRT1

At a cooperative observer's station/8.2 mi away/883 ft/123 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Oak Ridge, drawn

The nearest airport reporting now, 7.9 mi from Karns, Tennessee. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Oak Ridge, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OQTFIG. A THE SKY OVER OAK RIDGESECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEOak Ridge, the skySTATION REPORT · ASOS OQTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OQT-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

71.0 F with a dew point of 68.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Oak Ridge: temperature 71.0 degrees Fahrenheit and dew point 68.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OQTFIG. B THE AIR AT OAK RIDGETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 700 FT ABOVE THE STATION, AT 67.3 FTEMPERATURE 71.0 FDEW POINT 68.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 POINTTITLEOak Ridge, the airSTATION REPORT · ASOS OQTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OQT-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Oak Ridge, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OQTFIG. C THE WIND AT OAK RIDGEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEOak Ridge, the windSTATION REPORT · ASOS OQTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OQT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Oak Ridge, 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 Karns

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

Near Karns

River and lake gauges