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Fairview Heights, Illinois

City in St. Clair County, Illinois

Air quality

The air at Fairview Heights

Index 22, good, led by ozone. Read at 9 PM from its reporting area, St. Louis (Metro-east) (IL), 1 mile off.

22Good
  • Fine particles (PM2.5)21Good9.3 mi
  • Ozone22Good16 ppb9.3 mi
  • Coarse particles (PM10)7Good11.3 mi
  • Nitrogen dioxide3Good3.9 ppb12.2 mi
  • Sulfur dioxide0Good0.5 ppb12.2 mi
  • Carbon monoxide-0.1 ppm12.2 mi

The days ahead

Highest moderate, today, led by fine particles. Yesterday measured 39, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 1 PM.

FriSat

Precipitation

What has fallen at Fairview Heights

0.35 in in the last 24 hours, 1.00 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.35in
Last 3 days
1.00in

Visibility

How far you can see at Fairview Heights, the next 41 hours

Visibility stays 8 miles or more through Sat 1 PM, lowest 9 miles Fri 1 AM.

FriSat

What is measuring near here

The 6 instruments nearest Fairview Heights, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now4 instruments

measured daily2 instruments

Station report

The weather at Belleville - Scott AFB, drawn

The nearest airport reporting now, 8.0 mi from Fairview Heights, Illinois. From its report of Oct 15, 2026, 8:55 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 12,000 ft, scattered at 19,000 ft; visibility 10 mi or more.

Section of the sky over Belleville - Scott AFB, height above the station to scale: a few clouds cloud with its base at 12,000 feet, scattered cloud with its base at 19,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLVFIG. A THE SKY OVER BELLEVILLE - SCOTT AFBSECTION, 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 STATION05,00010,00015,00020,00025,00030,000ETAGESLOWMIDDLEHIGHTHE STATIONSCT 19,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 12,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEBelleville - Scott AFB, the skySTATION REPORT · ASOS BLVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BLV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014, FB-SKY-010, FB-SKY-011, FB-SKY-012

The air

73.4 F with a dew point of 72.5 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Belleville - Scott AFB: temperature 73.4 degrees Fahrenheit and dew point 72.5, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLVFIG. B THE AIR AT BELLEVILLE - SCOTT AFBTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00060 F70 F80 FSATURATES 200 FT ABOVE THE STATION, AT 72.3 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 12,000 FTTEMPERATURE AND DEW POINT 73.4 F, 72.5 FRELATIVE HUMIDITY 97 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 POINTTITLEBelleville - Scott AFB, the airSTATION REPORT · ASOS BLVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BLV-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Belleville - Scott AFB, north up: blowing from 240 degrees, the west southwest, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BLVFIG. C THE WIND AT BELLEVILLE - SCOTT AFBPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBelleville - Scott AFB, the windSTATION REPORT · ASOS BLVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BLV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Belleville - Scott AFB, 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 Fairview Heights

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

Near Fairview Heights