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Lavaca, Arkansas

City in Sebastian County, Arkansas

Air quality

The air at Lavaca

Index 22, good, led by ozone. Read at 7 AM from its reporting area, Roland (OK), 23 miles off.

22Good
  • Fine particles (PM2.5)10Good20 mi
  • Ozone22Good23 ppb20 mi
  • Nitrogen dioxide0Good0.4 ppb20 mi

The days ahead

Yesterday measured 30, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Lavaca

0.01 in in the last 24 hours, 0.31 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.31in

Visibility

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

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

On the radar over Lavaca, ArkansasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Lavaca, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 8.1 miles away.

measured now4 instruments

measured daily2 instruments

Fort Smith 3.7 ESEAR-SB-15

In a volunteer observer's own ground/8.1 mi away/431 ft/9 ft above here

precip, snowfall, snow depth

Rank-

RatcliffRTCA4

At a cooperative observer's station/17.2 mi away/420 ft/2 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fort Smith Muni, drawn

The nearest airport reporting now, 10.5 mi from Lavaca, Arkansas. From its report of Oct 16, 2026, 6:53 AM local time: 3 of its 6 sheets.

The sky

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

Section of the sky over Fort Smith Muni, height above the station to scale: overcast 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 FSMFIG. A THE SKY OVER FORT SMITH MUNISECTION, 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 FTOVC 11,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 11,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFort Smith Muni, the skySTATION REPORT · ASOS FSMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FSM-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

58.0 F with a dew point of 44.0 F, 60 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,200 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at Fort Smith Muni: temperature 58.0 degrees Fahrenheit and dew point 44.0, 60 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,200 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSMFIG. B THE AIR AT FORT SMITH MUNITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00030 F40 F50 F60 F70 FSATURATES 3,200 FT ABOVE THE STATION, AT 40.9 FLOWEST CLOUD REPORTED, OVC 11,000 FTTEMPERATURE 58.0 FDEW POINT 44.0 FSPREAD 14.0 FRELATIVE HUMIDITY 60 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 POINTTITLEFort Smith Muni, the airSTATION REPORT · ASOS FSMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FSM-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 18 mph, gusting 30 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Fort Smith Muni, north up: blowing from 330 degrees, the north northwest, at 18 miles an hour, gusting 30; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSMFIG. C THE WIND AT FORT SMITH MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 18 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 30 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Smith Muni, the windSTATION REPORT · ASOS FSMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FSM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Ratcliff (RTCA4), 17.2 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Arkansas

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

Near Lavaca

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

Near Lavaca

River and lake gauges