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Compton, Illinois

Village in Lee County, Illinois

Air quality

The air at Compton

Index 17, good, led by ozone. Read at 12 AM from its reporting area, Aurora and Elgin (IL), 35 miles off.

17Good
  • Fine particles (PM2.5)9Good-
  • Ozone17Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 23, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Compton

0.02 in in the last 24 hours, 0.66 in over the last 3 days, to Sat 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.66in

Visibility

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

Visibility stays 9 miles or more through Sun 7 PM, lowest 9 miles Sat 7 AM.

SatSun

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

What is measuring near here

The 7 instruments nearest Compton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.7 miles away.

measured now5 instruments

RochelleRPJ

At an airfield/13.7 mi away/781 ft/197 ft below here

temp, wind, gust, visibility, precip, pressure

Rank541of 1,419

ShabbonaSBNI2

At a river or reservoir gauge/15.8 mi away/863 ft/115 ft below here

temp, wind, gust, humidity, pressure

Rank586of 1,419

measured daily2 instruments

Paw Paw 4.0 SWIL-LE-19

In a volunteer observer's own ground/4.7 mi away/934 ft/44 ft below here

precip, snowfall, snow depth

Rank-

Paw Paw 2SPAWI2

At a cooperative observer's station/5.8 mi away/889 ft/89 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rochelle, drawn

The nearest airport reporting now, 13.7 mi from Compton, Illinois. From its report of Oct 17, 2026, 1:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Rochelle, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. A THE SKY OVER ROCHELLESECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERochelle, the skySTATION REPORT · ASOS RPJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-RPJ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

38.5 F with a dew point of 32.0 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,500 ft up.

Chart of the air at Rochelle: temperature 38.5 degrees Fahrenheit and dew point 32.0, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. B THE AIR AT ROCHELLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,500 FT ABOVE THE STATION, AT 30.6 FTEMPERATURE 38.5 FDEW POINT 32.0 FSPREAD 6.5 FRELATIVE HUMIDITY 77 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 POINTTITLERochelle, the airSTATION REPORT · ASOS RPJTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-RPJ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Rochelle, north up: blowing from 360 degrees, the north, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. C THE WIND AT ROCHELLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERochelle, the windSTATION REPORT · ASOS RPJTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-RPJ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Paw Paw 2S (PAWI2), 5.8 miles from here, read 10 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Compton

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

Near Compton

River and lake gauges