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Crest Hill, Illinois

City in Will County, Illinois

Air quality

The air at Crest Hill

Index 23, good, led by fine particles. Read at 10 PM from its reporting area, Joliet and Will County (IL), 12 miles off.

23Good
  • Fine particles (PM2.5)23Good-
  • Ozone11Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 50, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Crest Hill

0.66 in in the last 24 hours, 0.78 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.66in
Last 3 days
0.78in

Visibility

How far you can see at Crest Hill, the next 46 hours

Visibility stays 6 miles or more through Sat 7 PM, lowest 6 miles Thu 10 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Crest Hill, 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

JolietJOLI2

At a river or reservoir gauge/3.7 mi away/531 ft/97 ft below here

temp, wind, gust, humidity, pressure

Rank871of 1,393

measured daily2 instruments

Crest Hill 0.7 SSWIL-WL-7

In a volunteer observer's own ground/0.5 mi away/591 ft/37 ft below here

precip, snowfall, snow depth

Rank-

Joliet 2N (Hydro)JKJI2

At a cooperative observer's station/1.3 mi away/630 ft/2 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Romeoville/Chi, drawn

The nearest airport reporting now, 3.3 mi from Crest Hill, Illinois. From its report of Oct 15, 2026, 10:10 PM local time: 3 of its 6 sheets.

The sky

Broken at 600 ft, overcast at 1,200 ft; the ceiling is 600 ft; visibility 2 mi.

Section of the sky over Romeoville/Chi, height above the station to scale: broken cloud with its base at 600 feet, overcast cloud with its base at 1,200 feet, the ceiling at 600 feet, and visibility of 2 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LOTFIG. A THE SKY OVER ROMEOVILLE/CHISECTION, 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 SHEETOVC 1,200 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 600 FTVISIBILITY, MILES: 2 MI0510TITLERomeoville/Chi, the skySTATION REPORT · ASOS LOTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LOT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

64.4 F with a dew point of 64.4 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 600 ft.

Chart of the air at Romeoville/Chi: temperature 64.4 degrees Fahrenheit and dew point 64.4, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LOTFIG. B THE AIR AT ROMEOVILLE/CHITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, BKN 600 FTTEMPERATURE AND DEW POINT 64.4 F, 64.4 FRELATIVE HUMIDITY 100 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 POINTTITLERomeoville/Chi, the airSTATION REPORT · ASOS LOTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LOT-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 16 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Romeoville/Chi, north up: blowing from 290 degrees, the west northwest, at 16 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LOTFIG. C THE WIND AT ROMEOVILLE/CHIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERomeoville/Chi, the windSTATION REPORT · ASOS LOTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LOT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Joliet 2N (Hydro) (JKJI2), 1.3 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 Crest Hill

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

Near Crest Hill

River and lake gauges