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Aviston, Illinois

Village in Clinton County, Illinois

Air quality

The air at Aviston

Index 23, good, led by ozone. Read at 11 PM from its reporting area, St. Louis (Metro-east) (IL), 20 miles off.

23Good
  • Fine particles (PM2.5)16Good-
  • Ozone23Good-
  • Coarse particles (PM10)6Good-

The days ahead

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

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Aviston

0.73 in in the last 24 hours, 1.75 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.73in
Last 3 days
1.75in

Visibility

How far you can see at Aviston, the next 44 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 8 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Aviston, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.3 miles away.

measured now4 instruments

measured daily2 instruments

Trenton 3.3 NEIL-CT-12

In a volunteer observer's own ground/3.0 mi away/482 ft/14 ft above here

precip, snowfall, snow depth

Rank-

HighlandHGHI2

At a cooperative observer's station/9.1 mi away/518 ft/50 ft above here

snowfall, snow depth, precip, high, low

Rank43of 1,393

Station report

The weather at Belleville - Scott AFB, drawn

The nearest airport reporting now, 13.9 mi from Aviston, Illinois. From its report of Oct 15, 2026, 11:22 PM local time: 3 of its 6 sheets.

The sky

Broken at 1,400 ft, overcast at 2,700 ft; the ceiling is 1,400 ft; visibility 6 mi.

Section of the sky over Belleville - Scott AFB, height above the station to scale: broken cloud with its base at 1,400 feet, overcast cloud with its base at 2,700 feet, the ceiling at 1,400 feet, and visibility of 6 mi.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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONOVC 2,700 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,400 FTVISIBILITY, MILES: 6 MI0510TITLEBelleville - 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

The air

69.8 F with a dew point of 68.0 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,400 ft.

Chart of the air at Belleville - Scott AFB: temperature 69.8 degrees Fahrenheit and dew point 68.0, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 1,400 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 STATION01,0002,0003,00060 F70 F80 FSATURATES 400 FT ABOVE THE STATION, AT 67.5 FLOWEST CLOUD REPORTED, BKN 1,400 FTTEMPERATURE AND DEW POINT 69.8 F, 68.0 FRELATIVE HUMIDITY 94 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 northwest (290 degrees) at 25 mph, gusting 30 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Belleville - Scott AFB, north up: blowing from 290 degrees, the west northwest, at 25 miles an hour, gusting 30; beside it the Beaufort scale from calm to hurricane force, force 6, strong 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 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 25 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), 9.1 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 Aviston

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

Near Aviston

River and lake gauges