Storm Station
Smithboro, Illinois
60°
Partly cloudy· Feels like 60°·Calm 0 mph N
Mostly cloudy, with a high near 75. Northeast wind around 3 mph.
-UV
-Air quality
78%Humidity
41%Cloud

What is measuring near here

The 3 instruments nearest Smithboro, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.5 miles away.

measured now1 instrument

Litchfield3LF

At an airfield/25.8 mi away/689 ft/139 ft above here

temp, wind, gust, visibility, precip, pressure

Rank281of 417

measured daily2 instruments

Greenville 0.5 NNWIL-BD-8

In a volunteer observer's own ground/3.5 mi away/621 ft/71 ft above here

precip, snowfall, snow depth

Rank-

VandaliaVNDI2

At a cooperative observer's station/13.8 mi away/525 ft/25 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Litchfield, drawn

The nearest airport reporting now, 25.8 mi from Smithboro. 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 10 mi or more.

Section of the sky over Litchfield, 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 3LFFIG. A THE SKY OVER LITCHFIELDSECTION, 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 MORE0510TITLELitchfield, the skySTATION REPORT · ASOS 3LFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-3LF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

56.0 F with a dew point of 53.6 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 600 ft up.

Chart of the air at Litchfield: temperature 56.0 degrees Fahrenheit and dew point 53.6, 92 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 3LFFIG. B THE AIR AT LITCHFIELDTHE 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 F70 FSATURATES 600 FT ABOVE THE STATION, AT 53.0 FTEMPERATURE AND DEW POINT 56.0 F, 53.6 FRELATIVE HUMIDITY 92 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 POINTTITLELitchfield, the airSTATION REPORT · ASOS 3LFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-3LF-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 Litchfield, 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 3LFFIG. C THE WIND AT LITCHFIELDPLAN, 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 FORCE73TITLELitchfield, the windSTATION REPORT · ASOS 3LFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-3LF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Litchfield, 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 Smithboro

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