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Pontiac, Illinois

City in Livingston County, Illinois

Air quality

The air at Pontiac

Index 12, good, led by fine particles. Read at 4 AM from its reporting area, Bloomington and Normal (IL), 15 miles off.

12Good
  • Fine particles (PM2.5)12Good-
  • Ozone10Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 29, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Pontiac

0.07 in in the last 24 hours, 0.36 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.07in
Last 3 days
0.36in

Visibility

How far you can see at Pontiac, the next 46 hours

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Pontiac, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

PontiacPNT

At an airfield/3.2 mi away/659 ft/27 ft above here

temp, wind, gust, visibility, precip, pressure

Rank765of 1,393

MarseillesMMPI2

At a river or reservoir gauge/31.9 mi away/486 ft/146 ft below here

temp, wind, gust, humidity, pressure

Rank1,104of 1,393

measured daily2 instruments

Pontiac 0.9 NEIL-LV-32

In a volunteer observer's own ground/0.6 mi away/640 ft/8 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Pontiac, drawn

The nearest airport reporting now, 3.2 mi from Pontiac, Illinois. From its report of Oct 16, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,600 ft, broken at 2,300 ft, broken at 3,000 ft; the ceiling is 2,300 ft; visibility 10 mi or more.

Section of the sky over Pontiac, height above the station to scale: scattered cloud with its base at 1,600 feet, broken cloud with its base at 2,300 feet, broken cloud with its base at 3,000 feet, the ceiling at 2,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNTFIG. A THE SKY OVER PONTIACSECTION, 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 STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 3,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,600 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPontiac, the skySTATION REPORT · ASOS PNTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PNT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

52.3 F with a dew point of 48.6 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 Pontiac: temperature 52.3 degrees Fahrenheit and dew point 48.6, 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 PNTFIG. B THE AIR AT PONTIACTHE 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 FSATURATES 900 FT ABOVE THE STATION, AT 47.8 FLOWEST CLOUD REPORTED, SCT 1,600 FTTEMPERATURE 52.3 FDEW POINT 48.6 FSPREAD 3.7 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 POINTTITLEPontiac, the airSTATION REPORT · ASOS PNTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PNT-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 17 mph, gusting 21 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Pontiac, north up: blowing from 280 degrees, the west, at 17 miles an hour, gusting 21; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNTFIG. C THE WIND AT PONTIACPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE19GUST, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPontiac, the windSTATION REPORT · ASOS PNTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PNT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Pontiac, 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 Pontiac

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

Near Pontiac

River and lake gauges