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Cave-In-Rock, Illinois

Village in Hardin County, Illinois

Air quality

The air at Cave-In-Rock

Index 20, good, led by ozone. Read at 7 AM from its reporting area, Paducah (KY), 36 miles off.

20Good
  • Fine particles (PM2.5)13Good-
  • Ozone20Good-

The days ahead

Yesterday measured 43, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Cave-In-Rock

0.03 in in the last 24 hours, 0.45 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.03in
Last 3 days
0.45in

Visibility

How far you can see at Cave-In-Rock, the next 43 hours

Visibility stays 6 miles or more through Sun 1 AM, lowest 7 miles Fri 9 AM.

FriSat

On the radar over Cave-In-Rock, IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 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 now3 instruments

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, Illinois. From its report of Oct 16, 2026, 7:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,900 ft, broken at 7,000 ft, overcast at 8,500 ft; the ceiling is 7,000 ft; visibility 10 mi or more.

Section of the sky over Harrisburg, height above the station to scale: scattered cloud with its base at 2,900 feet, broken cloud with its base at 7,000 feet, overcast cloud with its base at 8,500 feet, the ceiling at 7,000 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 FTOVC 8,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 7,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 7,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHarrisburg, the skySTATION REPORT · ASOS HSBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HSB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

54.0 F with a dew point of 53.2 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 2,900 ft.

Chart of the air at Harrisburg: temperature 54.0 degrees Fahrenheit and dew point 53.2, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 2,900 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 STATION01,0002,0003,00040 F50 F60 FSATURATES 200 FT ABOVE THE STATION, AT 53.0 FLOWEST CLOUD REPORTED, SCT 2,900 FTTEMPERATURE AND DEW POINT 54.0 F, 53.2 FRELATIVE HUMIDITY 97 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 6DATE2026-10-16IDSR-HSB-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Harrisburg, north up: blowing from 310 degrees, the northwest, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, 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 STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHarrisburg, the windSTATION REPORT · ASOS HSBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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

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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.

Near Cave-In-Rock

River and lake gauges