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Cerulean, Kentucky

Community in Trigg County, Kentucky

Air quality

The air at Cerulean

Index 53, moderate, led by fine particles. Read at 1 AM from its reporting area, Clarksville-Montgomery County (TN), 21 miles off.

53Moderate
  • Fine particles (PM2.5)53Moderate-
  • Ozone37Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 42, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Cerulean

0.11 in in the last 24 hours, 0.47 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
0.47in

Visibility

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

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 4 AM.

FriSat

On the radar over Cerulean, KentuckyReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Cerulean, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.8 miles away.

measured now5 instruments

Princeton #1S2005

At a soil climate station/11.8 mi away/615 ft/103 ft above here

temp, humidity, soil temp, soil moisture

Rank503of 692

HopkinsvilleHVC

At an airfield/15.9 mi away/535 ft/23 ft above here

temp, wind, gust, visibility, precip, pressure

Rank2of 692

I-69 at mile 116.502_69_116

Beside a road/30.0 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Hopkinsville 6.2 NWKY-CH-1

In a volunteer observer's own ground/8.5 mi away/538 ft/26 ft above here

precip, snowfall, snow depth

Rank-

CadizCADK2

At a cooperative observer's station/9.3 mi away/459 ft/53 ft below here

snowfall, snow depth, precip, high, low

Rank164of 692

Station report

The weather at Hopkinsville, drawn

The nearest airport reporting now, 15.9 mi from Cerulean, Kentucky. From its report of Oct 16, 2026, 1:15 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 8,000 ft, a few clouds at 10,000 ft; visibility 10 mi or more.

Section of the sky over Hopkinsville, height above the station to scale: a few clouds cloud with its base at 8,000 feet, a few clouds cloud with its base at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HVCFIG. A THE SKY OVER HOPKINSVILLESECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 10,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYFEW 8,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEHopkinsville, the skySTATION REPORT · ASOS HVCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HVC-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

73.4 F with a dew point of 60.8 F, 65 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up; the lowest cloud reported is at 8,000 ft.

Chart of the air at Hopkinsville: temperature 73.4 degrees Fahrenheit and dew point 60.8, 65 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station, against the lowest cloud reported at 8,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HVCFIG. B THE AIR AT HOPKINSVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00050 F60 F70 F80 FSATURATES 2,900 FT ABOVE THE STATION, AT 57.8 FLOWEST CLOUD REPORTED, FEW 8,000 FTTEMPERATURE 73.4 FDEW POINT 60.8 FSPREAD 12.6 FRELATIVE HUMIDITY 65 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 POINTTITLEHopkinsville, the airSTATION REPORT · ASOS HVCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HVC-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Hopkinsville, 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 HVCFIG. C THE WIND AT HOPKINSVILLEPLAN, 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 FORCE73TITLEHopkinsville, the windSTATION REPORT · ASOS HVCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HVC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Cadiz (CADK2), 9.3 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Kentucky

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

Near Cerulean

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

Near Cerulean

River and lake gauges