Storm Station
Penfield, Illinois
51°
Mostly clear· Feels like 51°·Light air 2 mph ENE
Partly cloudy, with a low around 46. Northeast wind around 2 mph.
-UV
-Air quality
80%Humidity
28%Cloud

What is measuring near here

The 5 instruments nearest Penfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.3 miles away.

measured now3 instruments

RantoulTIP

At an airfield/10.3 mi away/738 ft/25 ft above here

temp, wind, gust, visibility, precip, pressure

Rank281of 417

Urbana [CCOOP]URBI2

At a river or reservoir gauge/21.7 mi away/722 ft/9 ft above here

temp, wind, gust, humidity, pressure

Rank307of 417

Champaign 9 SW54808

At a climate reference station/28.4 mi away/700 ft/13 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Fithian 6.4 NIL-VR-53

In a volunteer observer's own ground/7.3 mi away/709 ft/4 ft below here

precip, snowfall, snow depth

Rank-

RantoulRANI2

At a cooperative observer's station/11.2 mi away/768 ft/55 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rantoul, drawn

The nearest airport reporting now, 10.3 mi from Penfield. From its report of Sep 27, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Rantoul, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TIPFIG. A THE SKY OVER RANTOULSECTION, 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: 10 MI OR MORE0510TITLERantoul, the skySTATION REPORT · ASOS TIPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-TIP-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

50.0 F with a dew point of 47.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Rantoul: temperature 50.0 degrees Fahrenheit and dew point 47.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TIPFIG. B THE AIR AT RANTOULTHE 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 700 FT ABOVE THE STATION, AT 46.3 FTEMPERATURE 50.0 FDEW POINT 47.0 FSPREAD 3.0 FRELATIVE HUMIDITY 89 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 POINTTITLERantoul, the airSTATION REPORT · ASOS TIPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-TIP-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 Rantoul, 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 TIPFIG. C THE WIND AT RANTOULPLAN, 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 FORCE73TITLERantoul, the windSTATION REPORT · ASOS TIPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-TIP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Rantoul (RANI2), 11.2 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 Penfield

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