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Jefferson, Louisiana

Community in Jefferson Parish, Louisiana

Air quality

The air at Jefferson

Index 52, moderate, led by fine particles. Read at 7 AM from its reporting area, New Orleans (LA), 16 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate3.5 mi
  • Ozone38Good35 ppb8.8 mi
  • Nitrogen dioxide3Good3.6 ppb3.5 mi
  • Sulfur dioxide0Good0.4 ppb11.1 mi

The days ahead

Highest 53, moderate, today, led by fine particles. Yesterday measured 52, moderate.

Smoke, the next 43 hours

Little smoke near the ground through Sun 1 AM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Jefferson

None in the last 3 days, to Fri 6 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 Jefferson, the next 43 hours

Visibility stays 8 miles or more through Sun 1 AM, lowest 8 miles Fri 7 AM.

FriSat

On the radar over Jefferson, LouisianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Jefferson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now3 instruments

measured daily2 instruments

MerauxMERL1

At a cooperative observer's station/14.0 mi away/12 ft/6 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at New Orleans - Louis Armstrong, drawn

The nearest airport reporting now, 5.7 mi from Jefferson, Louisiana. From its report of Oct 16, 2026, 6:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,200 ft, a few clouds at 25,000 ft; visibility 10 mi or more.

Section of the sky over New Orleans - Louis Armstrong, height above the station to scale: a few clouds cloud with its base at 1,200 feet, a few clouds cloud with its base at 25,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSYFIG. A THE SKY OVER NEW ORLEANS - LOUIS ARMSTRONGSECTION, 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 STATION05,00010,00015,00020,00025,00030,00035,00040,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 25,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYFEW 1,200 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLENew Orleans - Louis Armstrong, the skySTATION REPORT · ASOS MSYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MSY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

73.0 F with a dew point of 68.0 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 1,200 ft.

Chart of the air at New Orleans - Louis Armstrong: temperature 73.0 degrees Fahrenheit and dew point 68.0, 84 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 1,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSYFIG. B THE AIR AT NEW ORLEANS - LOUIS ARMSTRONGTHE 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 FSATURATES 1,200 FT ABOVE THE STATION, AT 66.8 FLOWEST CLOUD REPORTED, FEW 1,200 FTTEMPERATURE 73.0 FDEW POINT 68.0 FSPREAD 5.0 FRELATIVE HUMIDITY 84 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 POINTTITLENew Orleans - Louis Armstrong, the airSTATION REPORT · ASOS MSYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MSY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at New Orleans - Louis Armstrong, 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 MSYFIG. C THE WIND AT NEW ORLEANS - LOUIS ARMSTRONGPLAN, 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 FORCE73TITLENew Orleans - Louis Armstrong, the windSTATION REPORT · ASOS MSYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MSY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of New Orleans - Louis Armstrong, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Louisiana

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

Near Jefferson

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

Near Jefferson

River and lake gauges