Storm Station
Oak Lawn, Illinois
54°
Mostly clear· Feels like 54°·Light air 4 mph ENE
Patchy fog. Partly cloudy, with a low around 51. Northeast wind around 0 mph.
-UV
-Air quality
81%Humidity
34%Cloud

What is measuring near here

The 4 instruments nearest Oak Lawn, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now2 instruments

Alsip - ISWS Lake MichiganALSI2

At a river or reservoir gauge/2.6 mi away/624 ft/25 ft above here

temp, wind, gust, humidity, pressure

Rank345of 417

ChicagoMDW

At an airfield/5.1 mi away/617 ft/18 ft above here

temp, wind, gust, visibility, precip, pressure

Rank8of 417

measured daily2 instruments

Oak Lawn 0.5 SSWIL-CK-149

In a volunteer observer's own ground/0.2 mi away/597 ft/2 ft below here

precip, snowfall, snow depth

Rank-

Chicago Midway AP 3SWMDWI2

At a cooperative observer's station/2.2 mi away/617 ft/18 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chicago, drawn

The nearest airport reporting now, 5.1 mi from Oak Lawn. From its report of Sep 27, 2026, 4:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 25,000 ft; visibility 10 mi or more.

Section of the sky over Chicago, height above the station to scale: a few clouds cloud with its base at 25,000 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 STATION05,00010,00015,00020,00025,00030,00035,00040,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 25,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEChicago, the skySTATION REPORT · ASOS MDWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-MDW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

51.0 F with a dew point of 50.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 25,000 ft.

Chart of the air at Chicago: temperature 51.0 degrees Fahrenheit and dew point 50.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 25,000 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 STATION01,0002,0003,0004,00040 F50 F60 FSATURATES 200 FT ABOVE THE STATION, AT 49.8 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 25,000 FTTEMPERATURE AND DEW POINT 51.0 F, 50.0 FRELATIVE HUMIDITY 96 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 6DATE2026-09-27IDSR-MDW-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Chicago, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago, the windSTATION REPORT · ASOS MDWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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 Chicago Midway AP 3SW (MDWI2), 2.2 miles from here, read 26 Sep, 23:58. measured daily

Elsewhere in Illinois

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

Near Oak Lawn

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