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Wenona, Illinois

City in Marshall County, Illinois

Air quality

The air at Wenona

Index 14, good, led by fine particles. Read at 4 AM from its reporting area, Peoria (IL), 30 miles off.

14Good
  • Fine particles (PM2.5)14Good-
  • Ozone14Good-

The days ahead

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

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Wenona

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

Last 24 hours
0.08in
Last 3 days
0.43in

Visibility

How far you can see at Wenona, the next 46 hours

Visibility stays 8 miles or more through Sun 1 AM, lowest 8 miles Fri 2 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Wenona, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.7 miles away.

measured now4 instruments

LaconC75

At an airfield/17.5 mi away/568 ft/122 ft below here

temp, wind, gust, visibility, precip, pressure

Rank435of 1,393

measured daily2 instruments

MinonkMINI2

At a cooperative observer's station/9.7 mi away/732 ft/42 ft above here

snowfall, snow depth, precip, high, low

Rank992of 1,393

Station report

The weather at Lacon, drawn

The nearest airport reporting now, 17.5 mi from Wenona, Illinois. From its report of Oct 16, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 3,700 ft, broken at 4,600 ft, broken at 5,000 ft; the ceiling is 4,600 ft; visibility 10 mi or more.

Section of the sky over Lacon, height above the station to scale: scattered cloud with its base at 3,700 feet, broken cloud with its base at 4,600 feet, broken cloud with its base at 5,000 feet, the ceiling at 4,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C75FIG. A THE SKY OVER LACONSECTION, 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 SHEETBKN 5,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 4,600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 3,700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 4,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLELacon, the skySTATION REPORT · ASOS C75TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-C75-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

49.5 F with a dew point of 41.4 F, 74 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up; the lowest cloud reported is at 3,700 ft.

Chart of the air at Lacon: temperature 49.5 degrees Fahrenheit and dew point 41.4, 74 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station, against the lowest cloud reported at 3,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C75FIG. B THE AIR AT LACONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 F60 FSATURATES 1,800 FT ABOVE THE STATION, AT 39.6 FLOWEST CLOUD REPORTED, SCT 3,700 FTTEMPERATURE 49.5 FDEW POINT 41.4 FSPREAD 8.1 FRELATIVE HUMIDITY 74 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 POINTTITLELacon, the airSTATION REPORT · ASOS C75TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-C75-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Lacon, north up: blowing from 290 degrees, the west northwest, 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 C75FIG. C THE WIND AT LACONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELacon, the windSTATION REPORT · ASOS C75TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-C75-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Minonk (MINI2), 9.7 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Illinois

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

Near Wenona

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

Near Wenona

River and lake gauges