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Chauvin, Louisiana

Community in Terrebonne Parish, Louisiana

Air quality

The air at Chauvin

Index 28, good, led by fine particles. Read at 10 PM from its reporting area, Thibodaux (LA), 24 miles off.

28Good
  • Fine particles (PM2.5)28Good24.5 mi
  • Ozone22Good18 ppb24.5 mi

The days ahead

Highest 53, moderate, today, led by ozone. Yesterday measured 59, moderate.

Smoke, the next 45 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 Chauvin

None in the last 3 days, to Thu 10 PM. 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 Chauvin, the next 45 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 4 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Chauvin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.4 miles away.

measured now3 instruments

measured daily2 instruments

Dulac 3NDLCL1

At a cooperative observer's station/6.4 mi away/9 ft/7 ft above here

snowfall, snow depth, precip, high, low

Rank-

Montegut 6.5 ESELA-TR-1

In a volunteer observer's own ground/8.2 mi away/8 ft/6 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Citizen station GW1868, drawn

The nearest instrument reporting now, 34.7 mi from Chauvin, Louisiana. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station GW1868, 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 GW1868FIG. C THE WIND AT CITIZEN STATION GW1868PLAN, 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 FORCE73TITLECitizen station GW1868, the windSTATION REPORT · CWOP GW1868TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-GW1868-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 4 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.92 inHg and the temperature at 59.0 F; the station's altimeter setting of 30.07 inHg means its barometer reads 30.07 inHg; it reports 71.0 F, 12.0 F warmer than standard.

Section from sea level of where Citizen station GW1868 stands in the atmosphere, height to scale: the station 4 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.92 inches of mercury, and temperature, 59.0 degrees Fahrenheit; the altimeter setting of 30.07 and the station pressure it means, 30.07.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1868FIG. D WHERE CITIZEN STATION GW1868 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION GW18680 PER CENT OF THE AIR BELOW IT4 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.92 inHgSTANDARD TEMPERATURE HERE59.0 FALTIMETER SETTING, REPORTED30.07 inHgITS BAROMETER READS30.07 inHgTEMPERATURE, REPORTED71.0 FTITLECitizen station GW1868, the columnSTATION REPORT · CWOP GW1868TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-GW1868-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 51 degrees above the horizon at 29.94 N, and the day is 11 h 18 min long. Level ground there takes 78 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station GW1868, angles true: on Oct 16 it stands 51 degrees above the horizon, against 84 at the June solstice, 60 at the equinoxes and 37 at the December solstice; the day is 11 h 18 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW1868FIG. E THE SUN AT CITIZEN STATION GW1868ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 84°EQUINOXES 60°DECEMBER SOLSTICE 37°OCT 16, 51°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 18 MINLEVEL GROUND TAKES 78 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 29.94 N; THE SUN'S DECLINATION -9.1°TITLECitizen station GW1868, the sunSTATION REPORT · CWOP GW1868TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-GW1868-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station GW1868, in 4 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 Chauvin

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

Near Chauvin

River and lake gauges