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Oak Forest, Illinois

City in Cook County, Illinois

Air quality

The air at Oak Forest

Index 23, good, led by fine particles. Read at 4 PM from its reporting area, South and West Suburbs (Chicago) (IL), 8 miles off.

23Good
  • Fine particles (PM2.5)23Good4.4 mi
  • Ozone19Good21 ppb4.4 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 35, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at Oak Forest

0.52 in in the last 24 hours, 0.61 in over the last 3 days, to Fri 4 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.52in
Last 3 days
0.61in

Visibility

How far you can see at Oak Forest, the next 45 hours

Visibility stays 10 miles or more through Sun 1 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Oak Forest, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

ChicagoMDW

At an airfield/12.2 mi away/617 ft/41 ft below here

temp, wind, gust, visibility, precip, pressure

Rank4of 1,393

measured daily2 instruments

Oak Forest 0.2 ENEIL-CK-271

In a volunteer observer's own ground/0.4 mi away/658 ft/level with here

precip, snowfall, snow depth

Rank-

Station report

The weather at Chicago, drawn

The nearest airport reporting now, 12.2 mi from Oak Forest, Illinois. From its report of Oct 16, 2026, 3:53 PM local time: 3 of its 6 sheets.

The sky

Scattered at 4,500 ft, broken at 6,000 ft; the ceiling is 6,000 ft; visibility 10 mi or more.

Section of the sky over Chicago, height above the station to scale: scattered cloud with its base at 4,500 feet, broken cloud with its base at 6,000 feet, the ceiling at 6,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDWFIG. A THE SKY OVER CHICAGOSECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 6,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 4,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 6,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEChicago, the skySTATION REPORT · ASOS MDWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MDW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.0 F with a dew point of 39.0 F, 51 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,100 ft up; the lowest cloud reported is at 4,500 ft.

Chart of the air at Chicago: temperature 57.0 degrees Fahrenheit and dew point 39.0, 51 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,100 feet above the station, against the lowest cloud reported at 4,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDWFIG. B THE AIR AT CHICAGOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 F60 F70 FSATURATES 4,100 FT ABOVE THE STATION, AT 35.1 FLOWEST CLOUD REPORTED, SCT 4,500 FTTEMPERATURE 57.0 FDEW POINT 39.0 FSPREAD 18.0 FRELATIVE HUMIDITY 51 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 POINTTITLEChicago, the airSTATION REPORT · ASOS MDWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MDW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (10 degrees) at 21 mph, gusting 33 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 38 mph.

Plan of the wind at Chicago, north up: blowing from 10 degrees, the north, at 21 miles an hour, gusting 33; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDWFIG. C THE WIND AT CHICAGOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 10°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 21 MPH6STRONG BREEZE257NEAR GALE32GUST, 33 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago, the windSTATION REPORT · ASOS MDWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MDW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Park Forest Water (PKFI2), 8.9 miles from here, read 16 Oct, 05:00. measured daily

Elsewhere in Illinois

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

Near Oak Forest

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

Near Oak Forest

River and lake gauges