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Powell, Tennessee

Community in Knox County, Tennessee

Air quality

The air at Powell

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

60Moderate
  • Fine particles (PM2.5)60Moderate6.9 mi
  • Ozone40Good2 ppb8.7 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 58, moderate.

Smoke, the next 45 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 Powell

None in the last 3 days, to Thu 11 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 Powell, the next 45 hours

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

FriSat

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

What is measuring near here

The 5 instruments nearest Powell, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now3 instruments

measured daily2 instruments

Knoxville 4.4 NNWTN-KX-46

In a volunteer observer's own ground/2.4 mi away/1,049 ft/30 ft below here

precip, snowfall, snow depth

Rank-

KnoxvilleKNXT1

At a cooperative observer's station/11.5 mi away/817 ft/262 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Knoxville Downtown, drawn

The nearest airport reporting now, 10.1 mi from Powell, Tennessee. From its report of Oct 15, 2026, 11:50 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Knoxville Downtown, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DKXFIG. A THE SKY OVER KNOXVILLE DOWNTOWNSECTION, 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: 7 MI0510TITLEKnoxville Downtown, the skySTATION REPORT · ASOS DKXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DKX-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

68.0 F with a dew point of 68.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Knoxville Downtown: temperature 68.0 degrees Fahrenheit and dew point 68.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DKXFIG. B THE AIR AT KNOXVILLE DOWNTOWNTHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 68.0 F, 68.0 FRELATIVE HUMIDITY 100 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 Downtown, the airSTATION REPORT · ASOS DKXTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DKX-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 Knoxville Downtown, 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 DKXFIG. C THE WIND AT KNOXVILLE DOWNTOWNPLAN, 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 FORCE73TITLEKnoxville Downtown, the windSTATION REPORT · ASOS DKXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DKX-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Knoxville Downtown, 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 Powell

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

Near Powell

River and lake gauges