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South Pekin, Illinois

Village in Tazewell County, Illinois

Air quality

The air at South Pekin

Index 11, good, led by fine particles. Read at 2 AM from its reporting area, Peoria (IL), 22 miles off.

11Good
  • Fine particles (PM2.5)11Good-
  • Ozone10Good-

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 Sat 7 PM.

FriSat

Precipitation

What has fallen at South Pekin

0.04 in in the last 24 hours, 0.34 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.34in

Visibility

How far you can see at South Pekin, the next 42 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest South Pekin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now4 instruments

PeoriaPIA

At an airfield/12.1 mi away/673 ft/145 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1of 1,393

measured daily2 instruments

South Pekin 1.6 SEIL-TZ-4

In a volunteer observer's own ground/1.6 mi away/522 ft/6 ft below here

precip, snowfall, snow depth

Rank-

MortonMRTI2

At a cooperative observer's station/13.9 mi away/709 ft/181 ft above here

snowfall, snow depth, precip, high, low

Rank293of 1,393

Station report

The weather at Peoria, drawn

The nearest airport reporting now, 12.1 mi from South Pekin, Illinois. From its report of Oct 16, 2026, 1:54 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,300 ft, broken at 2,900 ft, overcast at 3,500 ft; the ceiling is 2,900 ft; visibility 10 mi or more.

Section of the sky over Peoria, height above the station to scale: scattered cloud with its base at 2,300 feet, broken cloud with its base at 2,900 feet, overcast cloud with its base at 3,500 feet, the ceiling at 2,900 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,300 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPeoria, the skySTATION REPORT · ASOS PIATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PIA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

53.0 F with a dew point of 47.0 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 2,300 ft.

Chart of the air at Peoria: temperature 53.0 degrees Fahrenheit and dew point 47.0, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station, against the lowest cloud reported at 2,300 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 STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,400 FT ABOVE THE STATION, AT 45.6 FLOWEST CLOUD REPORTED, SCT 2,300 FTTEMPERATURE 53.0 FDEW POINT 47.0 FSPREAD 6.0 FRELATIVE HUMIDITY 80 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 6DATE2026-10-16IDSR-PIA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 10 mph, gusting 23 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Peoria, north up: blowing from 300 degrees, the west northwest, at 10 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 3, gentle 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 STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPeoria, the windSTATION REPORT · ASOS PIATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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 Morton (MRTI2), 13.9 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near South Pekin

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

Near South Pekin

River and lake gauges