Storm Station
Rosemont, Illinois
51°
Mostly clear· Feels like 51°·Light air 2 mph ENE
Partly sunny. High near 70, with temperatures falling to around 66 in the afternoon. North northeast wind 0 to 5 mph.
-UV
-Air quality
80%Humidity
37%Cloud

What is measuring near here

The 5 instruments nearest Rosemont, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now3 instruments

Des PlainesDSCI2

At a river or reservoir gauge/1.9 mi away/643 ft/8 ft above here

temp, wind, gust, humidity, pressure

Rank342of 417

Chicago OHareORD

At an airfield/3.7 mi away/673 ft/38 ft above here

temp, wind, gust, visibility, precip, pressure

Rank19of 417

Rakow @ Pyott RdIMC03

Beside a road/27.1 mi away/895 ft/260 ft above here

temp, pavement temp, wind, visibility, precip

Rank410of 417

measured daily2 instruments

Park Ridge 0.4 SWIL-CK-56

In a volunteer observer's own ground/1.7 mi away/650 ft/15 ft above here

precip, snowfall, snow depth

Rank-

Glen Ellyn 4SGLEI2

At a cooperative observer's station/14.9 mi away/679 ft/44 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chicago OHare, drawn

The nearest airport reporting now, 3.7 mi from Rosemont. From its report of Sep 27, 2026, 5:51 AM local time: 3 of its 6 sheets.

The sky

Scattered at 25,000 ft; visibility 10 mi or more.

Section of the sky over Chicago OHare, height above the station to scale: scattered cloud with its base at 25,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORDFIG. A THE SKY OVER CHICAGO OHARESECTION, 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 FTSCT 25,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEChicago OHare, the skySTATION REPORT · ASOS ORDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-ORD-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

50.0 F with a dew point of 47.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 25,000 ft.

Chart of the air at Chicago OHare: temperature 50.0 degrees Fahrenheit and dew point 47.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 25,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORDFIG. B THE AIR AT CHICAGO OHARETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00040 F50 F60 FSATURATES 700 FT ABOVE THE STATION, AT 46.3 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 25,000 FTTEMPERATURE 50.0 FDEW POINT 47.0 FSPREAD 3.0 FRELATIVE HUMIDITY 89 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 OHare, the airSTATION REPORT · ASOS ORDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-ORD-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Chicago OHare, north up: blowing from 350 degrees, the north, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORDFIG. C THE WIND AT CHICAGO OHAREPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago OHare, the windSTATION REPORT · ASOS ORDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-ORD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Illinois

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

Near Rosemont

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