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Holcomb, Illinois

Community in Ogle County, Illinois

Air quality

The air at Holcomb

Index 18, good, led by fine particles. Read at 1 PM from its reporting area, Rockford (IL), 19 miles off.

18Good
  • Fine particles (PM2.5)18Good-
  • Ozone18Good22 ppb19.3 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 18, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Holcomb

0.43 in in the last 24 hours, 0.54 in over the last 3 days, to Fri 12 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.43in
Last 3 days
0.54in

Visibility

How far you can see at Holcomb, the next 43 hours

Visibility stays 8 miles or more through Sun 7 AM, lowest 9 miles Sat 7 AM.

FriSatSun

On the radar over Holcomb, IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Holcomb, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.2 miles away.

measured now5 instruments

RockfordRFD

At an airfield/8.8 mi away/722 ft/122 ft below here

temp, wind, gust, visibility, precip, pressure

Rank338of 1,393

ShabbonaSBNI2

At a river or reservoir gauge/19.9 mi away/863 ft/19 ft above here

temp, wind, gust, humidity, pressure

Rank558of 1,393

measured daily2 instruments

Davis Junction 0.8 WSWIL-OG-1

In a volunteer observer's own ground/2.2 mi away/814 ft/30 ft below here

precip, snowfall, snow depth

Rank-

Oregon WWTPOREI2

At a water treatment plant/12.5 mi away/676 ft/168 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rockford, drawn

The nearest airport reporting now, 8.8 mi from Holcomb, Illinois. From its report of Oct 16, 2026, 12:54 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 2,900 ft, scattered at 3,500 ft, overcast at 4,700 ft; the ceiling is 4,700 ft; visibility 10 mi or more.

Section of the sky over Rockford, height above the station to scale: a few clouds cloud with its base at 2,900 feet, scattered cloud with its base at 3,500 feet, overcast cloud with its base at 4,700 feet, the ceiling at 4,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RFDFIG. A THE SKY OVER ROCKFORDSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,700 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 3,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 2,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 4,700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERockford, the skySTATION REPORT · ASOS RFDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RFD-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

54.0 F with a dew point of 43.0 F, 66 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 2,900 ft.

Chart of the air at Rockford: temperature 54.0 degrees Fahrenheit and dew point 43.0, 66 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station, against the lowest cloud reported at 2,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RFDFIG. B THE AIR AT ROCKFORDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 2,500 FT ABOVE THE STATION, AT 40.6 FLOWEST CLOUD REPORTED, FEW 2,900 FTTEMPERATURE 54.0 FDEW POINT 43.0 FSPREAD 11.0 FRELATIVE HUMIDITY 66 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 POINTTITLERockford, the airSTATION REPORT · ASOS RFDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RFD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 24 mph, gusting 30 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Rockford, north up: blowing from 340 degrees, the north northwest, at 24 miles an hour, gusting 30; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RFDFIG. C THE WIND AT ROCKFORDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 24 MPH6STRONG BREEZE25GUST, 30 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERockford, the windSTATION REPORT · ASOS RFDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RFD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Rockford, 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 Holcomb

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

Near Holcomb

River and lake gauges