Storm Station
Sign in

Knoxville, Arkansas

Town in Johnson County, Arkansas

Air quality

The air at Knoxville

Index 16, good, led by ozone. Read at 3 AM from its reporting area, Roland (OK), 67 miles off.

16Good
  • Fine particles (PM2.5)0Good-
  • Ozone16Good-

The days ahead

Yesterday measured 30, good.

Smoke, the next 40 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Knoxville

0.24 in in the last 24 hours, 0.36 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.24in
Last 3 days
0.36in

Visibility

How far you can see at Knoxville, the next 40 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

On the radar over Knoxville, ArkansasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Knoxville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.1 miles away.

measured now5 instruments

measured daily2 instruments

London 4.3 NWAR-PP-28

In a volunteer observer's own ground/4.0 mi away/669 ft/274 ft above here

precip, snowfall, snow depth

Rank-

Clarkesville 6 NECKVA4

At a cooperative observer's station/10.7 mi away/906 ft/511 ft above here

snowfall, snow depth, precip, high, low

Rank14of 678

Station report

The weather at Russellville Municipal Airport, drawn

The nearest airport reporting now, 17.5 mi from Knoxville, Arkansas. From its report of Oct 16, 2026, 3:44 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,900 ft, overcast at 3,500 ft; the ceiling is 3,500 ft; visibility 10 mi or more.

Section of the sky over Russellville Municipal Airport, height above the station to scale: a few clouds cloud with its base at 1,900 feet, overcast cloud with its base at 3,500 feet, the ceiling at 3,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RUEFIG. A THE SKY OVER RUSSELLVILLE MUNICIPAL AIRPORTSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,500 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 1,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 3,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERussellville Municipal Airport, the skySTATION REPORT · ASOS RUETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RUE-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

65.0 F with a dew point of 58.0 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Russellville Municipal Airport: temperature 65.0 degrees Fahrenheit and dew point 58.0, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RUEFIG. B THE AIR AT RUSSELLVILLE MUNICIPAL AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 1,600 FT ABOVE THE STATION, AT 56.3 FLOWEST CLOUD REPORTED, FEW 1,900 FTTEMPERATURE 65.0 FDEW POINT 58.0 FSPREAD 7.0 FRELATIVE HUMIDITY 78 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 POINTTITLERussellville Municipal Airport, the airSTATION REPORT · ASOS RUETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RUE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 16 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Russellville Municipal Airport, north up: blowing from 350 degrees, the north, at 16 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RUEFIG. C THE WIND AT RUSSELLVILLE MUNICIPAL AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERussellville Municipal Airport, the windSTATION REPORT · ASOS RUETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RUE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Arkansas

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

Near Knoxville

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

Near Knoxville

River and lake gauges