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Cornell, Illinois

Village in Livingston County, Illinois

Air quality

The air at Cornell

Index 24, good, led by fine particles. Read at 11 PM from its reporting area, Bloomington and Normal (IL), 21 miles off.

24Good
  • Fine particles (PM2.5)24Good-
  • Ozone12Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 53, moderate.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Cornell

0.10 in in the last 24 hours, 0.48 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.10in
Last 3 days
0.48in

Visibility

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

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 1 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Cornell, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.4 miles away.

measured now4 instruments

PontiacPNT

At an airfield/7.2 mi away/659 ft/29 ft above here

temp, wind, gust, visibility, precip, pressure

Rank765of 1,393

MarseillesMMPI2

At a river or reservoir gauge/23.5 mi away/486 ft/144 ft below here

temp, wind, gust, humidity, pressure

Rank1,104of 1,393

measured daily2 instruments

Pontiac 4.8 NWIL-LV-1

In a volunteer observer's own ground/4.4 mi away/627 ft/3 ft below here

precip, snowfall, snow depth

Rank-

Streator 2SESTAI2

At a cooperative observer's station/8.2 mi away/597 ft/33 ft below here

snowfall, snow depth, precip, high, low

Rank910of 1,393

Station report

The weather at Pontiac, drawn

The nearest airport reporting now, 7.2 mi from Cornell, Illinois. From its report of Oct 15, 2026, 11:15 PM local time: 3 of its 6 sheets.

The sky

Scattered at 900 ft, broken at 2,200 ft, overcast at 3,400 ft; the ceiling is 2,200 ft; visibility 10 mi or more.

Section of the sky over Pontiac, height above the station to scale: scattered cloud with its base at 900 feet, broken cloud with its base at 2,200 feet, overcast cloud with its base at 3,400 feet, the ceiling at 2,200 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,200 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,200 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

58.5 F with a dew point of 58.5 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 900 ft.

Chart of the air at Pontiac: temperature 58.5 degrees Fahrenheit and dew point 58.5, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 900 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 STATION01,0002,0003,00050 F60 F70 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, SCT 900 FTTEMPERATURE AND DEW POINT 58.5 F, 58.5 FRELATIVE HUMIDITY 100 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 northwest (290 degrees) at 16 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 35 mph.

Plan of the wind at Pontiac, north up: blowing from 290 degrees, the west northwest, at 16 miles an hour; 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 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG 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

-

Snow on the ground

Elsewhere in Illinois

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

Near Cornell

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

Near Cornell

River and lake gauges