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Benson, Illinois

Village in Woodford County, Illinois

Air quality

The air at Benson

Index 17, good, led by ozone. Read at 5 AM from its reporting area, Peoria (IL), 21 miles off.

17Good
  • Ozone17Good13 ppb23.9 mi

The days ahead

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

Smoke, the next 44 hours

No smoke near the ground through Mon 1 AM.

SatSun

Precipitation

What has fallen at Benson

0.01 in in the last 24 hours, 0.09 in over the last 3 days, to Sat 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.09in

Visibility

How far you can see at Benson, the next 44 hours

Visibility stays 9 miles or more through Mon 1 AM, lowest 9 miles Sat 7 AM.

SatSun

What is measuring near here

The 6 instruments nearest Benson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.5 miles away.

measured now4 instruments

LaconC75

At an airfield/18.1 mi away/568 ft/195 ft below here

temp, wind, gust, visibility, precip, pressure

Rank451of 1,419

measured daily2 instruments

RoanokeROAI2

At a cooperative observer's station/5.1 mi away/745 ft/18 ft below here

snowfall, snow depth, precip, high, low

Rank304of 1,419

Station report

The weather at Lacon, drawn

The nearest airport reporting now, 18.1 mi from Benson, Illinois. From its report of Oct 17, 2026, 6:15 AM 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 Lacon, 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 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 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 MORE0510TITLELacon, the skySTATION REPORT · ASOS C75TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-C75-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

35.2 F with a dew point of 32.0 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Lacon: temperature 35.2 degrees Fahrenheit and dew point 32.0, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; 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 STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 700 FT ABOVE THE STATION, AT 31.3 FTEMPERATURE 35.2 FDEW POINT 32.0 FSPREAD 3.2 FRELATIVE HUMIDITY 88 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 6DATE2026-10-17IDSR-C75-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Lacon, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELacon, the windSTATION REPORT · ASOS C75TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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 Roanoke (ROAI2), 5.1 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Benson

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

Near Benson