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Acorn, Arkansas

Community in Polk County, Arkansas

Air quality

The air at Acorn

Index 10, good, led by ozone. Read at 12 AM from its reporting area, Roland (OK), 60 miles off.

10Good
  • Fine particles (PM2.5)6Good-
  • Ozone10Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Acorn

None in the last 24 hours; 0.03 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.03in

Visibility

How far you can see at Acorn, the next 43 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 2 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Acorn, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.4 miles away.

measured now3 instruments

measured daily2 instruments

Mena 0.3 NNWAR-PL-2

In a volunteer observer's own ground/4.4 mi away/1,160 ft/81 ft above here

precip, snowfall, snow depth

Rank-

MenaMENA4

At a cooperative observer's station/6.3 mi away/1,093 ft/14 ft above here

snowfall, snow depth, precip, high, low

Rank21of 678

Station report

The weather at Mena Intermountain Muni, drawn

The nearest airport reporting now, 6.5 mi from Acorn, Arkansas. From its report of Oct 15, 2026, 11:55 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 Mena Intermountain Muni, 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 MEZFIG. A THE SKY OVER MENA INTERMOUNTAIN MUNISECTION, 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 MORE0510TITLEMena Intermountain Muni, the skySTATION REPORT · ASOS MEZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MEZ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

70.0 F with a dew point of 66.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Mena Intermountain Muni: temperature 70.0 degrees Fahrenheit and dew point 66.0, 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; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MEZFIG. B THE AIR AT MENA INTERMOUNTAIN MUNITHE 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 900 FT ABOVE THE STATION, AT 65.0 FTEMPERATURE 70.0 FDEW POINT 66.0 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 POINTTITLEMena Intermountain Muni, the airSTATION REPORT · ASOS MEZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MEZ-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 Mena Intermountain Muni, 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 MEZFIG. C THE WIND AT MENA INTERMOUNTAIN MUNIPLAN, 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 FORCE73TITLEMena Intermountain Muni, the windSTATION REPORT · ASOS MEZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MEZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mena Intermountain Muni, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Arkansas

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

Near Acorn

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

Near Acorn

River and lake gauges