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Des Arc, Arkansas

City in Prairie County, Arkansas

Air quality

The air at Des Arc

Index 59, moderate, led by fine particles. Read at 2 AM from its reporting area, Little Rock-North Little Rock (AR), 51 miles off.

59Moderate
  • Fine particles (PM2.5)59Moderate-

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 54, moderate.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Des Arc

None in the last 24 hours; 0.02 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Des Arc, the next 41 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Des Arc, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now5 instruments

Carlisle4M3

At an airfield/16.4 mi away/240 ft/37 ft above here

temp, wind, gust, visibility, precip, pressure

Rank455of 678

measured daily2 instruments

Des ArcDESA4

At a cooperative observer's station/0.5 mi away/210 ft/7 ft above here

snowfall, snow depth, precip, high, low

Rank-

Biscoe 0.3 WNWAR-PR-1

In a volunteer observer's own ground/11.9 mi away/188 ft/15 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at I-40 Eb White River Relief, drawn

The nearest instrument reporting now, 9.7 mi from Des Arc, Arkansas. From its report of Oct 16, 2026, 2:40 AM local time: 3 of its 3 sheets.

The column

At 174 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.73 inHg and the temperature at 58.4 F.

Section from sea level of where I-40 Eb White River Relief stands in the atmosphere, height to scale: the station 174 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.73 inches of mercury, and temperature, 58.4 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARD17FIG. D WHERE I-40 EB WHITE RIVER RELIEF 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 ATMOSPHEREI-40 EB WHITE RIVER RELIEF1 PER CENT OF THE AIR BELOW IT174 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 HERE29.73 inHgSTANDARD TEMPERATURE HERE58.4 FTITLEI-40 Eb White River Relief, the columnSTATION REPORT · RWIS ARD17TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-16IDSR-ARD17-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 46 degrees above the horizon at 34.84 N, and the day is 11 h 09 min long. Level ground there takes 72 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at I-40 Eb White River Relief, angles true: on Oct 16 it stands 46 degrees above the horizon, against 79 at the June solstice, 55 at the equinoxes and 32 at the December solstice; the day is 11 h 09 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARD17FIG. E THE SUN AT I-40 EB WHITE RIVER RELIEFELEVATION 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 79°EQUINOXES 55°DECEMBER SOLSTICE 32°OCT 16, 46°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 09 MINLEVEL GROUND TAKES 72 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 34.84 N; THE SUN'S DECLINATION -9.1°TITLEI-40 Eb White River Relief, the sunSTATION REPORT · RWIS ARD17TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-16IDSR-ARD17-2DRAWN AS linework on paperSOURCES FB-ENG-007

The instrument

A road weather station, 174 ft above sea level. Its report of Oct 16, 2026, 2:40 AM local time is written on the sensors that made it.

Elevation of a road weather station, I-40 Eb White River Relief, each sensor drawn and labelled with what it read: pavement sensor, set in the road, 71.2 f.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARD17FIG. F THE INSTRUMENTELEVATION OF A ROAD WEATHER STATION, EACH SENSOR WITH WHAT IT READ, OCT 16, 2026, 2:40 AM LOCAL TIMETHE ROAD, IN SECTIONPAVEMENT SENSOR, SET IN THE ROAD71.2 FPROBE UNDER THE ROAD-AIR TEMPERATURE ON THE TOWER-WIND AT THE TOP OF THE TOWER-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEI-40 Eb White River Relief, the instrumentSTATION REPORT · RWIS ARD17TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-16IDSR-ARD17-3DRAWN AS linework on paperSOURCES FB-INS-001

The full report of I-40 Eb White River Relief, in 3 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Arkansas

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

Near Des Arc

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

Near Des Arc

River and lake gauges