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Du Bois, Illinois

Village in Washington County, Illinois

Air quality

The air at Du Bois

Index 15, good, led by ozone. Read at 1 AM from its reporting area, Farrar (MO), 45 miles off.

15Good
  • Ozone15Good-

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Du Bois

0.11 in in the last 24 hours, 1.20 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
1.20in

Visibility

How far you can see at Du Bois, the next 42 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 2 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Du Bois, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.9 miles away.

measured now4 instruments

measured daily2 instruments

Waltonville 3.9 WNWIL-JF-16

In a volunteer observer's own ground/5.9 mi away/501 ft/19 ft below here

precip, snowfall, snow depth

Rank-

WaltonvilleWLTI2

At a cooperative observer's station/9.7 mi away/443 ft/77 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mount Vernon, drawn

The nearest airport reporting now, 20.5 mi from Du Bois, Illinois. From its report of Oct 16, 2026, 2:04 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,700 ft, broken at 2,900 ft, overcast at 7,000 ft; the ceiling is 1,700 ft; visibility 10 mi or more.

Section of the sky over Mount Vernon, height above the station to scale: broken cloud with its base at 1,700 feet, broken cloud with its base at 2,900 feet, overcast cloud with its base at 7,000 feet, the ceiling at 1,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MVNFIG. A THE SKY OVER MOUNT VERNONSECTION, 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 STATIONTHE CEILOMETER READS TO 12,000 FTOVC 7,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMount Vernon, the skySTATION REPORT · ASOS MVNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MVN-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

60.8 F with a dew point of 55.4 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 1,700 ft.

Chart of the air at Mount Vernon: temperature 60.8 degrees Fahrenheit and dew point 55.4, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 1,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MVNFIG. B THE AIR AT MOUNT VERNONTHE 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 1,200 FT ABOVE THE STATION, AT 54.1 FLOWEST CLOUD REPORTED, BKN 1,700 FTTEMPERATURE 60.8 FDEW POINT 55.4 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 POINTTITLEMount Vernon, the airSTATION REPORT · ASOS MVNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MVN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Mount Vernon, north up: 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 MVNFIG. C THE WIND AT MOUNT VERNONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMount Vernon, the windSTATION REPORT · ASOS MVNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MVN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mount Vernon, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Waltonville (WLTI2), 9.7 miles from here, read 15 Oct, 14:00. measured daily

Elsewhere in Illinois

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

Near Du Bois

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

Near Du Bois

River and lake gauges