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Harding, Illinois

Community in LaSalle County, Illinois

Air quality

The air at Harding

Index 12, good, led by fine particles. Read at 11 PM from its reporting area, Aurora and Elgin (IL), 30 miles off.

12Good
  • Fine particles (PM2.5)12Good-
  • Ozone9Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 28, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Harding

0.49 in in the last 24 hours, 0.70 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.49in
Last 3 days
0.70in

Visibility

How far you can see at Harding, the next 44 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Fri 12 AM.

FriSat

On the radar over Harding, IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Harding, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now5 instruments

PeruVYS

At an airfield/19.4 mi away/653 ft/6 ft below here

temp, wind, gust, visibility, precip, pressure

Rank739of 1,393

measured daily2 instruments

Earlville 3SERVI2

At a cooperative observer's station/4.1 mi away/692 ft/33 ft above here

snowfall, snow depth, precip, high, low

Rank774of 1,393

Earlville 2.5 SSWIL-LS-74

In a volunteer observer's own ground/5.6 mi away/706 ft/47 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Illinois River AT Starved Rock, drawn

The nearest instrument reporting now, 12.7 mi from Harding, Illinois. From its report of Oct 15, 2026, 11:59 PM local time: 3 of its 3 sheets.

The column

At 558 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.32 inHg and the temperature at 57.0 F.

Section from sea level of where Illinois River AT Starved Rock stands in the atmosphere, height to scale: the station 558 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.32 inches of mercury, and temperature, 57.0 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SRDI2FIG. D WHERE ILLINOIS RIVER AT STARVED ROCK 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 ATMOSPHEREILLINOIS RIVER AT STARVED ROCK2 PER CENT OF THE AIR BELOW IT558 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 HERE29.32 inHgSTANDARD TEMPERATURE HERE57.0 FTITLEIllinois River AT Starved Rock, the columnSTATION REPORT · DCP SRDI2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-16IDSR-SRDI2-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 40 degrees above the horizon at 41.33 N, and the day is 10 h 55 min long. Level ground there takes 64 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Illinois River AT Starved Rock, angles true: on Oct 16 it stands 40 degrees above the horizon, against 72 at the June solstice, 49 at the equinoxes and 25 at the December solstice; the day is 10 h 55 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SRDI2FIG. E THE SUN AT ILLINOIS RIVER AT STARVED ROCKELEVATION 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 72°EQUINOXES 49°DECEMBER SOLSTICE 25°OCT 16, 40°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 55 MINLEVEL GROUND TAKES 64 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 41.33 N; THE SUN'S DECLINATION -9.1°TITLEIllinois River AT Starved Rock, the sunSTATION REPORT · DCP SRDI2TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-16IDSR-SRDI2-2DRAWN AS linework on paperSOURCES FB-ENG-007

The instrument

A data collection platform, 558 ft above sea level. Its report of Oct 15, 2026, 11:59 PM local time is written on the sensors that made it.

Elevation of a data collection platform, Illinois River AT Starved Rock, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 15, 2026, 11:59 pm local time; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SRDI2FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ, OCT 15, 2026, 11:59 PM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD OCT 15, 2026, 11:59 PM LOCAL TIMEAIR TEMPERATURE-PRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEIllinois River AT Starved Rock, the instrumentSTATION REPORT · DCP SRDI2TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-16IDSR-SRDI2-3DRAWN AS linework on paperSOURCES FB-INS-001

The full report of Illinois River AT Starved Rock, in 3 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Earlville 3S (ERVI2), 4.1 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Illinois

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

Near Harding

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

Near Harding

River and lake gauges