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Highland, Illinois

City in Madison County, Illinois

Air quality

The air at Highland

Index 19, good, led by ozone. Read at 3 AM from its reporting area, St. Louis (Metro-east) (IL), 20 miles off.

19Good
  • Fine particles (PM2.5)9Good24.9 mi
  • Ozone19Good23 ppb24.9 mi
  • Coarse particles (PM10)4Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 39, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Highland

0.48 in in the last 24 hours, 1.10 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.48in
Last 3 days
1.10in

Visibility

How far you can see at Highland, the next 41 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 7 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Highland, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

measured daily2 instruments

HighlandHGHI2

At a cooperative observer's station/0.4 mi away/518 ft/11 ft below here

snowfall, snow depth, precip, high, low

Rank43of 1,393

Station report

The weather at Belleville - Scott AFB, drawn

The nearest airport reporting now, 16.5 mi from Highland, Illinois. From its report of Oct 16, 2026, 2:55 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,800 ft, overcast at 7,500 ft; the ceiling is 7,500 ft; visibility 10 mi or more.

Section of the sky over Belleville - Scott AFB, height above the station to scale: scattered cloud with its base at 2,800 feet, overcast cloud with its base at 7,500 feet, the ceiling at 7,500 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONOVC 7,500 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 2,800 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 7,500 FTVISIBILITY, 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-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

57.0 F with a dew point of 52.5 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,000 ft up; the lowest cloud reported is at 2,800 ft.

Chart of the air at Belleville - Scott AFB: temperature 57.0 degrees Fahrenheit and dew point 52.5, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,000 feet above the station, against the lowest cloud reported at 2,800 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 STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 1,000 FT ABOVE THE STATION, AT 51.5 FLOWEST CLOUD REPORTED, SCT 2,800 FTTEMPERATURE 57.0 FDEW POINT 52.5 FSPREAD 4.5 FRELATIVE HUMIDITY 85 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-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 22 mph, gusting 30 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Belleville - Scott AFB, north up: blowing from 310 degrees, the northwest, at 22 miles an hour, gusting 30; beside it the Beaufort scale from calm to hurricane force, force 5, fresh 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 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 22 MPH6STRONG BREEZE25GUST, 30 MPH7NEAR 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

0in

Snow on the ground

Measured at Highland (HGHI2), 0.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Highland

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

Near Highland

River and lake gauges