Storm Station
St. Elmo, Illinois
67°
Overcast· Feels like 67°·Light air 1 mph NNW
Mostly cloudy, with a low around 54. East wind around 2 mph.
-UV
-Air quality
49%Humidity
88%Cloud

What is measuring near here

The 4 instruments nearest St. Elmo, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.3 miles away.

measured now2 instruments

Effingham1H2

At an airfield/17.3 mi away/587 ft/33 ft below here

temp, wind, gust, visibility, precip, pressure

Rank286of 417

FloraFOAI2

At a river or reservoir gauge/32.2 mi away/490 ft/130 ft below here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

St. Elmo 2.4 NNWIL-FY-2

In a volunteer observer's own ground/2.3 mi away/592 ft/28 ft below here

precip, snowfall, snow depth

Rank-

Beecher CityBEEI2

At a cooperative observer's station/11.3 mi away/617 ft/3 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Effingham, drawn

The nearest airport reporting now, 17.3 mi from St. Elmo. From its report of Sep 27, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 12,000 ft; the ceiling is 12,000 ft; visibility 2 mi.

Section of the sky over Effingham, height above the station to scale: overcast cloud with its base at 12,000 feet, the ceiling at 12,000 feet, and visibility of 2 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1H2FIG. A THE SKY OVER EFFINGHAMSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 12,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 12,000 FTVISIBILITY, MILES: 2 MI0510TITLEEffingham, the skySTATION REPORT · ASOS 1H2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-1H2-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

57.6 F with a dew point of 51.3 F, 79 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,500 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Effingham: temperature 57.6 degrees Fahrenheit and dew point 51.3, 79 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,500 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1H2FIG. B THE AIR AT EFFINGHAMTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00040 F50 F60 F70 FSATURATES 1,500 FT ABOVE THE STATION, AT 49.8 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 12,000 FTTEMPERATURE 57.6 FDEW POINT 51.3 FSPREAD 6.3 FRELATIVE HUMIDITY 79 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 POINTTITLEEffingham, the airSTATION REPORT · ASOS 1H2TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-1H2-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Effingham, 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 1H2FIG. C THE WIND AT EFFINGHAMPLAN, 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 FORCE73TITLEEffingham, the windSTATION REPORT · ASOS 1H2TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-1H2-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Beecher City (BEEI2), 11.3 miles from here, read 26 Sep, 08:00. measured daily

Elsewhere in Illinois

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

Near St. Elmo

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