Storm Station
Calhoun, Illinois
61°
Mostly clear· Feels like 61°·Light air 3 mph NE
Mostly clear. Low around 52, with temperatures rising to around 57 overnight. East northeast wind around 3 mph.
-UV
-Air quality
72%Humidity
18%Cloud

What is measuring near here

The 4 instruments nearest Calhoun, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now2 instruments

Olney-NobleOLY

At an airfield/8.7 mi away/482 ft/59 ft below here

temp, wind, gust, visibility, precip, pressure

Rank304of 417

FloraFOAI2

At a river or reservoir gauge/23.5 mi away/490 ft/51 ft below here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

OlneyOLYI2

At a cooperative observer's station/4.1 mi away/453 ft/88 ft below here

snowfall, snow depth, precip, high, low

Rank-

Olney 0.3 ESEIL-RC-8

In a volunteer observer's own ground/5.9 mi away/494 ft/47 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Olney-Noble, drawn

The nearest airport reporting now, 8.7 mi from Calhoun. From its report of Sep 27, 2026, 4:30 AM local time: 3 of its 6 sheets.

The sky

Scattered at 12,000 ft; visibility 10 mi or more.

Section of the sky over Olney-Noble, height above the station to scale: scattered cloud with its base at 12,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLYFIG. A THE SKY OVER OLNEY-NOBLESECTION, 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 FTSCT 12,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEOlney-Noble, the skySTATION REPORT · ASOS OLYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-OLY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

57.0 F with a dew point of 50.0 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Olney-Noble: temperature 57.0 degrees Fahrenheit and dew point 50.0, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLYFIG. B THE AIR AT OLNEY-NOBLETHE 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 1,600 FT ABOVE THE STATION, AT 48.4 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 12,000 FTTEMPERATURE 57.0 FDEW POINT 50.0 FSPREAD 7.0 FRELATIVE HUMIDITY 77 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 POINTTITLEOlney-Noble, the airSTATION REPORT · ASOS OLYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-OLY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (60 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Olney-Noble, north up: blowing from 60 degrees, the east northeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLYFIG. C THE WIND AT OLNEY-NOBLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 60°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEOlney-Noble, the windSTATION REPORT · ASOS OLYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-OLY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Olney-Noble, 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 Calhoun

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