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South Barrington, Illinois

Village in Cook County, Illinois

Air quality

The air at South Barrington

Index 19, good, led by ozone. Read at 6 AM from its reporting area, North and West Suburbs (Chicago) (IL), 9 miles off.

19Good
  • Fine particles (PM2.5)8Good9.8 mi
  • Ozone19Good23 ppb9.8 mi
  • Coarse particles (PM10)4Good19.3 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 32, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at South Barrington

0.37 in in the last 24 hours, 0.65 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.37in
Last 3 days
0.65in

Visibility

How far you can see at South Barrington, the next 43 hours

Visibility stays 9 miles or more through Sun 1 AM, lowest 9 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest South Barrington, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.8 miles away.

measured now5 instruments

measured daily2 instruments

Barrington Hills 2.1 SEIL-CK-209

In a volunteer observer's own ground/1.8 mi away/888 ft/28 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Chicago - Schaumburg, drawn

The nearest airport reporting now, 7.4 mi from South Barrington, Illinois. From its report of Oct 16, 2026, 6:55 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,900 ft, overcast at 2,300 ft; the ceiling is 1,900 ft; visibility 10 mi or more.

Section of the sky over Chicago - Schaumburg, height above the station to scale: broken cloud with its base at 1,900 feet, overcast cloud with its base at 2,300 feet, the ceiling at 1,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 06CFIG. A THE SKY OVER CHICAGO - SCHAUMBURGSECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,300 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEChicago - Schaumburg, the skySTATION REPORT · ASOS 06CTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-06C-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

50.4 F with a dew point of 44.8 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Chicago - Schaumburg: temperature 50.4 degrees Fahrenheit and dew point 44.8, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 06CFIG. B THE AIR AT CHICAGO - SCHAUMBURGTHE 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 1,300 FT ABOVE THE STATION, AT 43.5 FLOWEST CLOUD REPORTED, BKN 1,900 FTTEMPERATURE 50.4 FDEW POINT 44.8 FSPREAD 5.6 FRELATIVE HUMIDITY 81 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 - Schaumburg, the airSTATION REPORT · ASOS 06CTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-06C-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 12 mph, gusting 20 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Chicago - Schaumburg, north up: blowing from 280 degrees, the west, at 12 miles an hour, gusting 20; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 06CFIG. C THE WIND AT CHICAGO - SCHAUMBURGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago - Schaumburg, the windSTATION REPORT · ASOS 06CTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-06C-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Barrington 3SW (BARI2), 1.8 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Illinois

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

Near South Barrington

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

Near South Barrington

River and lake gauges