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Jeff, Kentucky

Community in Perry County, Kentucky

Air quality

The air at Jeff

Index 54, moderate, led by fine particles. Read at 12 AM from its reporting area, Hazard (KY), 7 miles off.

54Moderate
  • Fine particles (PM2.5)54Moderate6.7 mi
  • Ozone4Good1 ppb6.7 mi

The days ahead

Yesterday measured 51, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Jeff

0.80 in in the last 24 hours, and none in the 2 days before, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.80in
Last 3 days
0.80in

Visibility

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

Visibility stays 6 miles or more through Sat 8 PM, lowest 6 miles Sat 2 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Jeff, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.2 miles away.

measured now3 instruments

KY-15 at mile 13.310_15_013.3

Beside a road/5.2 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Hazard 2.2 SEKY-PR-7

In a volunteer observer's own ground/2.2 mi away/891 ft/581 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Wendell H Ford, drawn

The nearest airport reporting now, 14.0 mi from Jeff, Kentucky. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

Broken at 11,000 ft; the ceiling is 11,000 ft; visibility 10 mi or more.

Section of the sky over Wendell H Ford, height above the station to scale: broken cloud with its base at 11,000 feet, the ceiling at 11,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CPFFIG. A THE SKY OVER WENDELL H FORDSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 11,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 11,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWendell H Ford, the skySTATION REPORT · ASOS CPFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CPF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

71.6 F with a dew point of 68.0 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at Wendell H Ford: temperature 71.6 degrees Fahrenheit and dew point 68.0, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CPFFIG. B THE AIR AT WENDELL H FORDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00060 F70 F80 FSATURATES 800 FT ABOVE THE STATION, AT 67.1 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 11,000 FTTEMPERATURE 71.6 FDEW POINT 68.0 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLEWendell H Ford, the airSTATION REPORT · ASOS CPFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CPF-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Wendell H Ford, north up: blowing from 200 degrees, the south southwest, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CPFFIG. C THE WIND AT WENDELL H FORDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWendell H Ford, the windSTATION REPORT · ASOS CPFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CPF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Kentucky

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

Near Jeff

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

Near Jeff

River and lake gauges