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Decatur, Tennessee

Town in Meigs County, Tennessee

Air quality

The air at Decatur

Index 63, moderate, led by fine particles. Read at 12 AM from its reporting area, Athens (TN), 13 miles off.

63Moderate
  • Fine particles (PM2.5)63Moderate11.7 mi

The days ahead

Yesterday measured 52, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Decatur

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Decatur, the next 44 hours

Visibility stays 9 miles or more through Sat 8 PM, lowest 9 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Decatur, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

Dayton2A0

At an airfield/8.4 mi away/705 ft/65 ft below here

temp, wind, gust, visibility, precip, pressure

Rank363of 1,019

measured daily2 instruments

Station report

The weather at Dayton, drawn

The nearest airport reporting now, 8.4 mi from Decatur, Tennessee. From its report of Oct 16, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 2,600 ft; visibility 2.5 mi.

Section of the sky over Dayton, height above the station to scale: a few clouds cloud with its base at 2,600 feet, and visibility of 2.5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2A0FIG. A THE SKY OVER DAYTONSECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 2,600 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 2.5 MI0510TITLEDayton, the skySTATION REPORT · ASOS 2A0TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-2A0-1DRAWN 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 68.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 2,600 ft.

Chart of the air at Dayton: temperature 68.0 degrees Fahrenheit and dew point 68.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 2,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2A0FIG. B THE AIR AT DAYTONTHE 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 GROUNDLOWEST CLOUD REPORTED, FEW 2,600 FTTEMPERATURE 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 POINTTITLEDayton, the airSTATION REPORT · ASOS 2A0TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-2A0-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Dayton, 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 2A0FIG. C THE WIND AT DAYTONPLAN, 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 FORCE73TITLEDayton, the windSTATION REPORT · ASOS 2A0TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-2A0-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Dayton, 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 Decatur

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

Near Decatur

River and lake gauges