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Calumet City, Illinois

City in Cook County, Illinois

Air quality

The air at Calumet City

Index 33, good, led by fine particles. Read at 11 PM from its reporting area, Hammond-Gary (IN), 10 miles off.

33Good
  • Fine particles (PM2.5)33Good3.3 mi
  • Ozone13Good6 ppb3.2 mi
  • Coarse particles (PM10)7Good12.7 mi
  • Nitrogen dioxide4Good4.9 ppb12.7 mi
  • Sulfur dioxide0Good0.5 ppb3.2 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 40, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Calumet City

0.45 in in the last 24 hours, 0.50 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.45in
Last 3 days
0.50in

Visibility

How far you can see at Calumet City, the next 44 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 12 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Calumet City, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.

measured now3 instruments

measured daily2 instruments

Lansing 2SLNSI2

At a cooperative observer's station/5.2 mi away/614 ft/24 ft above here

snowfall, snow depth, precip, high, low

Rank857of 1,393

Blue Island 0.5 EIL-CK-44

In a volunteer observer's own ground/6.8 mi away/607 ft/17 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Chicago/Lansing, drawn

The nearest airport reporting now, 5.8 mi from Calumet City, Illinois. From its report of Oct 16, 2026, 12:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,600 ft, overcast at 2,000 ft; the ceiling is 1,600 ft; visibility 10 mi or more.

Section of the sky over Chicago/Lansing, height above the station to scale: broken cloud with its base at 1,600 feet, overcast cloud with its base at 2,000 feet, the ceiling at 1,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IGQFIG. A THE SKY OVER CHICAGO/LANSINGSECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEChicago/Lansing, the skySTATION REPORT · ASOS IGQTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-IGQ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

59.0 F with a dew point of 55.2 F, 87 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 1,600 ft.

Chart of the air at Chicago/Lansing: temperature 59.0 degrees Fahrenheit and dew point 55.2, 87 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 1,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IGQFIG. B THE AIR AT CHICAGO/LANSINGTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 900 FT ABOVE THE STATION, AT 54.3 FLOWEST CLOUD REPORTED, BKN 1,600 FTTEMPERATURE 59.0 FDEW POINT 55.2 FSPREAD 3.8 FRELATIVE HUMIDITY 87 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/Lansing, the airSTATION REPORT · ASOS IGQTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-IGQ-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 14 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Chicago/Lansing, north up: blowing from 290 degrees, the west northwest, at 14 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IGQFIG. C THE WIND AT CHICAGO/LANSINGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago/Lansing, the windSTATION REPORT · ASOS IGQTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-IGQ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Lansing 2S (LNSI2), 5.2 miles from here, read 14 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Calumet City

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

Near Calumet City

River and lake gauges