Storm Station
Cave-In-Rock, Illinois
65°
Partly cloudy· Feels like 65°·Light air 2 mph WNW
Mostly cloudy, with a low around 56. Wind around 0 mph.
-UV
-Air quality
63%Humidity
55%Cloud

What is measuring near here

The 4 instruments nearest Cave-In-Rock, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 10.6 miles away.

measured now2 instruments

Dixon Springs-RAWSDSFI2

A remote fire weather station/27.6 mi away/541 ft/142 ft above here

temp, wind, gust, humidity, pressure

Rank87of 417

HarrisburgHSB

At an airfield/31.6 mi away/397 ft/2 ft below here

temp, wind, gust, visibility, precip, pressure

Rank320of 417

measured daily2 instruments

Rosiclare 0.4 SEIL-HR-1

In a volunteer observer's own ground/10.6 mi away/350 ft/49 ft below here

precip, snowfall, snow depth

Rank-

Rosiclare 5 NWROSI2

At a cooperative observer's station/13.4 mi away/397 ft/2 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Harrisburg, drawn

The nearest airport reporting now, 31.6 mi from Cave-In-Rock. From its report of Sep 27, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 10,000 ft; the ceiling is 10,000 ft; visibility 10 mi or more.

Section of the sky over Harrisburg, height above the station to scale: broken cloud with its base at 10,000 feet, the ceiling at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HSBFIG. A THE SKY OVER HARRISBURGSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 10,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 10,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHarrisburg, the skySTATION REPORT · ASOS HSBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-HSB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

56.5 F with a dew point of 54.5 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 10,000 ft.

Chart of the air at Harrisburg: temperature 56.5 degrees Fahrenheit and dew point 54.5, 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, against the lowest cloud reported at 10,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HSBFIG. B THE AIR AT HARRISBURGTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 500 FT ABOVE THE STATION, AT 54.0 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 10,000 FTTEMPERATURE AND DEW POINT 56.5 F, 54.5 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 POINTTITLEHarrisburg, the airSTATION REPORT · ASOS HSBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-HSB-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 Harrisburg, 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 HSBFIG. C THE WIND AT HARRISBURGPLAN, 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 FORCE73TITLEHarrisburg, the windSTATION REPORT · ASOS HSBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-HSB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Harrisburg, 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 Cave-In-Rock

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