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South Wilmington, Illinois

Village in Grundy County, Illinois

Air quality

The air at South Wilmington

Index 10, good, led by ozone. Read at 3 AM from its reporting area, Joliet and Will County (IL), 17 miles off.

10Good
  • Fine particles (PM2.5)8Good5.9 mi
  • Ozone10Good16 ppb5.9 mi

The days ahead

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

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at South Wilmington

0.22 in in the last 24 hours, 0.45 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.22in
Last 3 days
0.45in

Visibility

How far you can see at South Wilmington, the next 41 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest South Wilmington, 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 now4 instruments

Morris-WashburnC09

At an airfield/18.9 mi away/584 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Gardner 2.2 SEIL-GY-39

In a volunteer observer's own ground/0.5 mi away/593 ft/8 ft above here

precip, snowfall, snow depth

Rank-

Dwight WWTPCWWI2

At a water treatment plant/8.4 mi away/623 ft/38 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Citizen station EW5026, drawn

The nearest instrument reporting now, 12.4 mi from South Wilmington, Illinois. From its report of undefined: 3 of its 4 sheets.

The wind

From the west southwest (256 degrees) at 10 mph, gusting 19 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Citizen station EW5026, north up: blowing from 256 degrees, the west southwest, at 10 miles an hour, gusting 19; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW5026FIG. C THE WIND AT CITIZEN STATION EW5026PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 256°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 19 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station EW5026, the windSTATION REPORT · CWOP EW5026TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-EW5026-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 631 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.25 inHg and the temperature at 56.7 F; the station's altimeter setting of 29.85 inHg means its barometer reads 29.18 inHg; it reports 57.0 F, 0.3 F warmer than standard.

Section from sea level of where Citizen station EW5026 stands in the atmosphere, height to scale: the station 631 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.25 inches of mercury, and temperature, 56.7 degrees Fahrenheit; the altimeter setting of 29.85 and the station pressure it means, 29.18.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW5026FIG. D WHERE CITIZEN STATION EW5026 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 EW50262 PER CENT OF THE AIR BELOW IT631 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 HERE29.25 inHgSTANDARD TEMPERATURE HERE56.7 FALTIMETER SETTING, REPORTED29.85 inHgITS BAROMETER READS29.18 inHgTEMPERATURE, REPORTED57.0 FTITLECitizen station EW5026, the columnSTATION REPORT · CWOP EW5026TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-EW5026-2DRAWN 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 41.15 N, and the day is 10 h 56 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 Citizen station EW5026, 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 56 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW5026FIG. E THE SUN AT CITIZEN STATION EW5026ELEVATION 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 56 MINLEVEL GROUND TAKES 64 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 41.15 N; THE SUN'S DECLINATION -9.1°TITLECitizen station EW5026, the sunSTATION REPORT · CWOP EW5026TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-EW5026-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station EW5026, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Dwight WWTP (CWWI2), 8.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near South Wilmington

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

Near South Wilmington

River and lake gauges