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Heritage Lake, Illinois

Community in Tazewell County, Illinois

Air quality

The air at Heritage Lake

Index 16, good, led by ozone. Read at 7 PM from its reporting area, Peoria (IL), 19 miles off.

16Good
  • Fine particles (PM2.5)8Good17 mi
  • Ozone16Good15 ppb17.3 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 25, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at Heritage Lake

0.02 in in the last 24 hours, 0.25 in over the last 3 days, to Fri 7 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.25in

Visibility

How far you can see at Heritage Lake, the next 42 hours

Visibility stays 9 miles or more through Sun 1 PM, lowest 9 miles Sat 8 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Heritage Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

PeoriaPIA

At an airfield/20.3 mi away/673 ft/13 ft below here

temp, wind, gust, visibility, precip, pressure

Rank2of 1,419

measured daily2 instruments

MackinawMACI2

At a cooperative observer's station/0.4 mi away/728 ft/42 ft above here

snowfall, snow depth, precip, high, low

Rank-

Tremont 3.6 EIL-TZ-10

In a volunteer observer's own ground/5.0 mi away/659 ft/27 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Peoria, drawn

The nearest airport reporting now, 20.3 mi from Heritage Lake, Illinois. From its report of Oct 16, 2026, 7:54 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,400 ft, overcast at 6,000 ft; the ceiling is 6,000 ft; visibility 10 mi or more.

Section of the sky over Peoria, height above the station to scale: a few clouds cloud with its base at 4,400 feet, overcast cloud with its base at 6,000 feet, the ceiling at 6,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PIAFIG. A THE SKY OVER PEORIASECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 6,000 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 4,400 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 6,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPeoria, the skySTATION REPORT · ASOS PIATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-PIA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

50.0 F with a dew point of 43.0 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 4,400 ft.

Chart of the air at Peoria: temperature 50.0 degrees Fahrenheit and dew point 43.0, 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 4,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PIAFIG. B THE AIR AT PEORIATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00030 F40 F50 F60 FSATURATES 1,600 FT ABOVE THE STATION, AT 41.4 FLOWEST CLOUD REPORTED, FEW 4,400 FTTEMPERATURE 50.0 FDEW POINT 43.0 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 POINTTITLEPeoria, the airSTATION REPORT · ASOS PIATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-PIA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Peoria, north up: at 7 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 PIAFIG. C THE WIND AT PEORIAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPeoria, the windSTATION REPORT · ASOS PIATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-PIA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Peoria, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Mackinaw (MACI2), 0.4 miles from here, read 12 Oct, 07:00. measured daily

Elsewhere in Illinois

23 places, each with its own forecast and its own instruments.

Near Heritage Lake

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

Near Heritage Lake

River and lake gauges