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Hebron, Illinois

Village in McHenry County, Illinois

Air quality

The air at Hebron

Index 23, good, led by ozone. Read at 6 PM from its reporting area, North and West Suburbs (Chicago) (IL), 21 miles off.

23Good
  • Fine particles (PM2.5)12Good19.7 mi
  • Ozone23Good24 ppb19.7 mi
  • Coarse particles (PM10)6Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 32, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at Hebron

0.11 in in the last 24 hours, 0.52 in over the last 3 days, to Fri 6 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
0.52in

Visibility

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

Visibility stays 9 miles or more through Sun 1 PM, lowest 10 miles Sat 6 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Hebron, 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

WaukeganUGN

At an airfield/29.2 mi away/709 ft/221 ft below here

temp, wind, gust, visibility, precip, pressure

Rank9of 1,419

measured daily2 instruments

Hebron (Hydro)HEBI2

At a cooperative observer's station/2.4 mi away/1,010 ft/80 ft above here

snowfall, snow depth, precip, high, low

Rank841of 1,419

Wonder Lake 1.4 NEIL-MCH-77

In a volunteer observer's own ground/7.1 mi away/863 ft/67 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Waukegan, drawn

The nearest airport reporting now, 29.2 mi from Hebron, Illinois. From its report of Oct 16, 2026, 6:51 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 8,000 ft; visibility 10 mi or more.

Section of the sky over Waukegan, height above the station to scale: a few clouds cloud with its base at 8,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UGNFIG. A THE SKY OVER WAUKEGANSECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 8,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEWaukegan, the skySTATION REPORT · ASOS UGNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-UGN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

48.0 F with a dew point of 37.0 F, 66 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 8,000 ft.

Chart of the air at Waukegan: temperature 48.0 degrees Fahrenheit and dew point 37.0, 66 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station, against the lowest cloud reported at 8,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UGNFIG. B THE AIR AT WAUKEGANTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00020 F30 F40 F50 F60 FSATURATES 2,500 FT ABOVE THE STATION, AT 34.6 FLOWEST CLOUD REPORTED, FEW 8,000 FTTEMPERATURE 48.0 FDEW POINT 37.0 FSPREAD 11.0 FRELATIVE HUMIDITY 66 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 POINTTITLEWaukegan, the airSTATION REPORT · ASOS UGNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-UGN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 13 mph, gusting 28 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Waukegan, north up: blowing from 360 degrees, the north, at 13 miles an hour, gusting 28; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UGNFIG. C THE WIND AT WAUKEGANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 28 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWaukegan, the windSTATION REPORT · ASOS UGNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-UGN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Hebron (Hydro) (HEBI2), 2.4 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Hebron

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

Near Hebron

River and lake gauges