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Hahnville, Louisiana

Community in St. Charles Parish, Louisiana

Air quality

The air at Hahnville

Index 36, good, led by fine particles. Read at 5 AM from its reporting area, Thibodaux (LA), 25 miles off.

36Good
  • Fine particles (PM2.5)36Good10.1 mi
  • Ozone4Good37 ppb10.1 mi
  • Nitrogen dioxide2Good2 ppb10.1 mi

The days ahead

Highest 51, moderate, today, led by ozone. Yesterday measured 45, good.

Smoke, the next 45 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 Hahnville

None in the last 3 days, to Fri 4 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 Hahnville, the next 45 hours

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

FriSat

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

What is measuring near here

The 5 instruments nearest Hahnville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.8 miles away.

measured now3 instruments

measured daily2 instruments

St Rose 0.3 WLA-SC-6

In a volunteer observer's own ground/5.8 mi away/6 ft/1 ft below here

precip, snowfall, snow depth

Rank54of 933

ThibodauxTHIL1

At a cooperative observer's station/26.0 mi away/4 ft/3 ft below here

snowfall, snow depth, precip, high, low

Rank344of 933

Station report

The weather at New Orleans - Louis Armstrong, drawn

The nearest airport reporting now, 10.0 mi from Hahnville, Louisiana. From its report of Oct 16, 2026, 4:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,100 ft, a few clouds at 3,500 ft; visibility 8 mi.

Section of the sky over New Orleans - Louis Armstrong, height above the station to scale: a few clouds cloud with its base at 1,100 feet, a few clouds cloud with its base at 3,500 feet, and visibility of 8 mi.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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 3,500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYFEW 1,100 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 8 MI0510TITLENew 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

The air

71.0 F with a dew point of 71.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 1,100 ft.

Chart of the air at New Orleans - Louis Armstrong: temperature 71.0 degrees Fahrenheit and dew point 71.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 1,100 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, FEW 1,100 FTTEMPERATURE AND DEW POINT 71.0 F, 71.0 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 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-020, 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 Hahnville

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

Near Hahnville

River and lake gauges