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Machesney Park, Illinois

Village in Winnebago County, Illinois

Air quality

The air at Machesney Park

Index 21, good, led by ozone. Read at 11 PM from its reporting area, Rockford (IL), 1 mile off.

21Good
  • Fine particles (PM2.5)9Good-
  • Ozone21Good24 ppb1 mi

The days ahead

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

Smoke, the next 45 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Machesney Park

0.11 in in the last 24 hours, 0.48 in over the last 3 days, to Fri 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
0.48in

Visibility

How far you can see at Machesney Park, the next 45 hours

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

SatSun

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

What is measuring near here

The 7 instruments nearest Machesney Park, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now5 instruments

RockfordRFD

At an airfield/11.4 mi away/722 ft/8 ft below here

temp, wind, gust, visibility, precip, pressure

Rank12of 1,419

measured daily2 instruments

Machesney Park 1.3 SSWIL-WN-42

In a volunteer observer's own ground/0.8 mi away/733 ft/3 ft above here

precip, snowfall, snow depth

Rank-

Belvidere 1WBELI2

At a cooperative observer's station/11.2 mi away/751 ft/21 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rockford, drawn

The nearest airport reporting now, 11.4 mi from Machesney Park, Illinois. From its report of Oct 16, 2026, 10:54 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Rockford, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERockford, the skySTATION REPORT · ASOS RFDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-RFD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

43.0 F with a dew point of 32.0 F, 65 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up.

Chart of the air at Rockford: temperature 43.0 degrees Fahrenheit and dew point 32.0, 65 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; 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 STATION01,0002,0003,0004,00020 F30 F40 F50 FSATURATES 2,500 FT ABOVE THE STATION, AT 29.6 FTEMPERATURE 43.0 FDEW POINT 32.0 FSPREAD 11.0 FRELATIVE HUMIDITY 65 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 6DATE2026-10-17IDSR-RFD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 13 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Rockford, north up: blowing from 340 degrees, the north northwest, at 13 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERockford, the windSTATION REPORT · ASOS RFDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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 Machesney Park

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

Near Machesney Park

River and lake gauges