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Winnetka, Illinois

Village in Cook County, Illinois

Air quality

The air at Winnetka

Index 23, good, led by fine particles. Read at 11 AM from its reporting area, Chicago (IL), 19 miles off.

23Good
  • Fine particles (PM2.5)23Good3.7 mi
  • Ozone16Good18 ppb3.7 mi
  • Coarse particles (PM10)-3.7 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 33, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Winnetka

0.38 in in the last 24 hours, 1.40 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.38in
Last 3 days
1.40in

Visibility

How far you can see at Winnetka, the next 45 hours

Visibility stays 9 miles or more through Sun 7 AM, lowest 10 miles Fri 11 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Winnetka, 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

WinnetkaWNKI2

At a river or reservoir gauge/1.0 mi away/624 ft/14 ft below here

temp, wind, gust, humidity, pressure

Rank932of 1,393

PalwaukeePWK

At an airfield/8.6 mi away/666 ft/28 ft above here

temp, wind, gust, visibility, precip, pressure

Rank10of 1,393

measured daily2 instruments

Lake Zurich (Hydro)LKZI2

At a cooperative observer's station/17.4 mi away/807 ft/169 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Palwaukee, drawn

The nearest airport reporting now, 8.6 mi from Winnetka, Illinois. From its report of Oct 16, 2026, 10:52 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,800 ft, overcast at 2,400 ft; the ceiling is 1,800 ft; visibility 10 mi or more.

Section of the sky over Palwaukee, height above the station to scale: broken cloud with its base at 1,800 feet, overcast cloud with its base at 2,400 feet, the ceiling at 1,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PWKFIG. A THE SKY OVER PALWAUKEESECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPalwaukee, the skySTATION REPORT · ASOS PWKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PWK-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

50.0 F with a dew point of 46.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at Palwaukee: temperature 50.0 degrees Fahrenheit and dew point 46.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PWKFIG. B THE AIR AT PALWAUKEETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 900 FT ABOVE THE STATION, AT 45.1 FLOWEST CLOUD REPORTED, BKN 1,800 FTTEMPERATURE 50.0 FDEW POINT 46.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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 POINTTITLEPalwaukee, the airSTATION REPORT · ASOS PWKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PWK-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 13 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Palwaukee, north up: blowing from 310 degrees, the northwest, at 13 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 PWKFIG. C THE WIND AT PALWAUKEEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPalwaukee, the windSTATION REPORT · ASOS PWKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PWK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Palwaukee, 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 Winnetka

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

Near Winnetka

River and lake gauges