Storm Station
Downers Grove, Illinois
55°
Partly cloudy· Feels like 55°·Light breeze 6 mph ENE
Patchy fog. Mostly cloudy, with a low around 51. Northeast wind around 0 mph.
-UV
-Air quality
83%Humidity
38%Cloud

What is measuring near here

The 5 instruments nearest Downers Grove, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Chicago OHareORD

At an airfield/12.5 mi away/673 ft/62 ft below here

temp, wind, gust, visibility, precip, pressure

Rank18of 417

Rakow @ Pyott RdIMC03

Beside a road/33.3 mi away/895 ft/160 ft above here

temp, pavement temp, wind, visibility, precip

Rank410of 417

measured daily2 instruments

Downers Grove 0.6 SEIL-DP-143

In a volunteer observer's own ground/0.1 mi away/733 ft/2 ft below here

precip, snowfall, snow depth

Rank-

Westmont (Hydro)WJWI2

At a cooperative observer's station/1.8 mi away/741 ft/6 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chicago OHare, drawn

The nearest airport reporting now, 12.5 mi from Downers Grove. From its report of Sep 27, 2026, 4:51 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 OHare, 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 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 FTFEW 25,000 FTA FEW CLOUDS, 1 TO 2 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 48.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 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 48.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 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 STATION01,0002,0003,0004,00040 F50 F60 FSATURATES 500 FT ABOVE THE STATION, AT 47.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 25,000 FTTEMPERATURE AND DEW POINT 50.0 F, 48.0 FRELATIVE HUMIDITY 93 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

Calm.

Plan of the wind at Chicago OHare, 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 ORDFIG. C THE WIND AT CHICAGO OHAREPLAN, 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 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 Downers Grove

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