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La Grange, Illinois

Village in Cook County, Illinois

Air quality

The air at La Grange

Index 20, good, led by ozone. Read at 2 AM from its reporting area, South and West Suburbs (Chicago) (IL), 8 miles off.

20Good
  • Fine particles (PM2.5)13Good-
  • Ozone20Good-

The days ahead

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

Smoke, the next 42 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at La Grange

None in the last 24 hours; 0.45 in over the last 3 days, to Sat 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.45in

Visibility

How far you can see at La Grange, the next 42 hours

Visibility stays 10 miles or more through Sun 7 PM.

SatSun

On the radar over La Grange, IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest La Grange, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

WestchesterWBRI2

At a river or reservoir gauge/2.6 mi away/651 ft/4 ft above here

temp, wind, gust, humidity, pressure

Rank902of 1,419

ChicagoMDW

At an airfield/6.4 mi away/617 ft/30 ft below here

temp, wind, gust, visibility, precip, pressure

Rank4of 1,419

measured daily2 instruments

La Grange 0.7 WNWIL-CK-185

In a volunteer observer's own ground/0.7 mi away/653 ft/6 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Chicago, drawn

The nearest airport reporting now, 6.4 mi from La Grange, Illinois. From its report of Oct 17, 2026, 1:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 5,000 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 5,000 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 5,000 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 6DATE2026-10-17IDSR-MDW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

43.0 F with a dew point of 31.0 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,700 ft up; the lowest cloud reported is at 5,000 ft.

Chart of the air at Chicago: temperature 43.0 degrees Fahrenheit and dew point 31.0, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,700 feet above the station, against the lowest cloud reported at 5,000 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 STATION01,0002,0003,0004,0005,0006,0007,00020 F30 F40 F50 FSATURATES 2,700 FT ABOVE THE STATION, AT 28.4 FLOWEST CLOUD REPORTED, FEW 5,000 FTTEMPERATURE 43.0 FDEW POINT 31.0 FSPREAD 12.0 FRELATIVE HUMIDITY 62 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 6DATE2026-10-17IDSR-MDW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 15 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Chicago, north up: blowing from 340 degrees, the north northwest, at 15 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago, the windSTATION REPORT · ASOS MDWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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

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Snow on the ground

Elsewhere in Illinois

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

Near La Grange

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

Near La Grange

River and lake gauges