Storm Station
Bon Air, Tennessee
63°
Mostly clear· Feels like 63°·Light breeze 5 mph NNE
Mostly clear, with a low around 49. East wind around 5 mph.
-UV
-Air quality
47%Humidity
30%Cloud

What is measuring near here

The 5 instruments nearest Bon Air, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.3 miles away.

measured now3 instruments

SpartaSRB

At an airfield/12.3 mi away/1,010 ft/850 ft below here

temp, wind, gust, visibility, precip, pressure

Rank205of 425

Crossville 7 NW63855

At a climate reference station/14.4 mi away/1,913 ft/53 ft above here

temp, humidity, wind, solar, precip

Rank-

Bledsoe State ForestBLDT1

At a river or reservoir gauge/18.2 mi away/1,795 ft/65 ft below here

temp, wind, gust, humidity, pressure

Rank180of 425

measured daily2 instruments

Sparta 2.5 ETN-WT-16

In a volunteer observer's own ground/3.3 mi away/1,284 ft/576 ft below here

precip, snowfall, snow depth

Rank-

SpartaSPAT1

At a cooperative observer's station/6.4 mi away/965 ft/895 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sparta, drawn

The nearest airport reporting now, 12.3 mi from Bon Air. From its report of Sep 27, 2026, 3:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 1 mi.

Section of the sky over Sparta, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 1 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SRBFIG. A THE SKY OVER SPARTASECTION, 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: 1 MI0510TITLESparta, the skySTATION REPORT · ASOS SRBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SRB-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

41.0 F with a dew point of 41.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Sparta: temperature 41.0 degrees Fahrenheit and dew point 41.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SRBFIG. B THE AIR AT SPARTATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 41.0 F, 41.0 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 POINTTITLESparta, the airSTATION REPORT · ASOS SRBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SRB-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 Sparta, 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 SRBFIG. C THE WIND AT SPARTAPLAN, 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 FORCE73TITLESparta, the windSTATION REPORT · ASOS SRBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SRB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Sparta (SPAT1), 6.4 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Tennessee

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

Near Bon Air

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