Storm Station
Cornell, Illinois
49° 75°/47°
Clear· Feels like 49°·Light air 3 mph ENE
Mostly cloudy, with a low around 50. East northeast wind around 0 mph.
0UV Low
-Air quality
84%Humidity
0%Cloud
Now
4:00 AM
49feels49
now, clear
Today
Sep 27
7547
overcast
Mon
Sep 28
7447
overcast
Tue
Sep 29
7755
overcast
Wed
Sep 30
8564
39%
15mph
overcast
Thu
Oct 1
7460
68%
14mph
showers
Fri
Oct 2
6549
40%
13mph
overcast
Sat
Oct 3
6846
26%
overcast
49°
75°47°
74°47°
77°55°
85°64°
74°60°
65°49°
68°46°

As of 4:00 AM in Cornell, Illinois.

What is measuring near here

The 4 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 now2 instruments

PontiacPNT

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

temp, wind, gust, visibility, precip, pressure

Rank319of 417

MarseillesMMPI2

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

temp, wind, gust, humidity, pressure

Rank389of 417

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

Rank-

Station report

The weather at Pontiac, drawn

The nearest airport reporting now, 7.2 mi from Cornell. From its report of Sep 27, 2026, 3:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Pontiac, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 7 MI0510TITLEPontiac, the skySTATION REPORT · ASOS PNTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-PNT-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

46.6 F with a dew point of 46.6 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Pontiac: temperature 46.6 degrees Fahrenheit and dew point 46.6, 100 per cent relative humidity; the air saturated at the ground; 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 46.6 F, 46.6 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 6DATE2026-09-27IDSR-PNT-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Pontiac, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPontiac, the windSTATION REPORT · ASOS PNTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

0in

Snow on the ground

Measured at Streator 2SE (STAI2), 8.2 miles from here, read 26 Sep, 07:00. measured daily

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.