Storm Station
Lacon, Illinois
53°
Partly cloudy· Feels like 53°·Calm 1 mph E
Partly sunny, with a high near 73. Northeast wind around 3 mph.
-UV
-Air quality
72%Humidity
50%Cloud

What is measuring near here

The 4 instruments nearest Lacon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now2 instruments

LaconC75

At an airfield/1.1 mi away/568 ft/59 ft above here

temp, wind, gust, visibility, precip, pressure

Rank281of 417

Illinois River AT Peoria L/DPRAI2

At a river or reservoir gauge/29.5 mi away/463 ft/46 ft below here

temp, wind, gust, humidity, pressure

Rank406of 417

measured daily2 instruments

LaconLCOI2

At a cooperative observer's station/1.2 mi away/463 ft/46 ft below here

snowfall, snow depth, precip, high, low

Rank-

Lacon 4.3 NEIL-MH-8

In a volunteer observer's own ground/4.2 mi away/659 ft/150 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Lacon, drawn

The nearest airport reporting now, 1.1 mi from Lacon. From its report of Sep 27, 2026, 5:55 AM local time: 3 of its 6 sheets.

The sky

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

Section of the sky over Lacon, 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 C75FIG. A THE SKY OVER LACONSECTION, 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 MI0510TITLELacon, the skySTATION REPORT · ASOS C75TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-C75-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 46.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Lacon: temperature 48.0 degrees Fahrenheit and dew point 46.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C75FIG. B THE AIR AT LACONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 500 FT ABOVE THE STATION, AT 45.5 FTEMPERATURE AND DEW POINT 48.0 F, 46.0 FRELATIVE HUMIDITY 93 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 POINTTITLELacon, the airSTATION REPORT · ASOS C75TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-C75-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Lacon, 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 C75FIG. C THE WIND AT LACONPLAN, 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 FORCE73TITLELacon, the windSTATION REPORT · ASOS C75TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-C75-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Illinois

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

Near Lacon

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