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Lexington, Illinois

City in McLean County, Illinois

Air quality

The air at Lexington

Index 13, good, led by fine particles. Read at 1 AM from its reporting area, Bloomington and Normal (IL), 5 miles off.

13Good
  • Fine particles (PM2.5)13Good14.2 mi
  • Ozone6Good7 ppb14.2 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 29, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Lexington

0.12 in in the last 24 hours, 0.37 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.12in
Last 3 days
0.37in

Visibility

How far you can see at Lexington, the next 42 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 2 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Lexington, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

measured daily2 instruments

Lexington 0.4 SSEIL-MCL-79

In a volunteer observer's own ground/0.3 mi away/748 ft/7 ft below here

precip, snowfall, snow depth

Rank-

NormalNRLI2

At a cooperative observer's station/10.9 mi away/791 ft/36 ft above here

snowfall, snow depth, precip, high, low

Rank145of 1,393

Station report

The weather at Bloomington/Norm, drawn

The nearest airport reporting now, 13.4 mi from Lexington, Illinois. From its report of Oct 16, 2026, 2:04 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,600 ft; the ceiling is 1,600 ft; visibility 10 mi or more.

Section of the sky over Bloomington/Norm, height above the station to scale: overcast cloud with its base at 1,600 feet, the ceiling at 1,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BMIFIG. A THE SKY OVER BLOOMINGTON/NORMSECTION, 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 SHEETOVC 1,600 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEBloomington/Norm, the skySTATION REPORT · ASOS BMITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BMI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

53.6 F with a dew point of 48.2 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 1,600 ft.

Chart of the air at Bloomington/Norm: temperature 53.6 degrees Fahrenheit and dew point 48.2, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 1,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BMIFIG. B THE AIR AT BLOOMINGTON/NORMTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 1,300 FT ABOVE THE STATION, AT 46.9 FLOWEST CLOUD REPORTED, OVC 1,600 FTTEMPERATURE 53.6 FDEW POINT 48.2 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 POINTTITLEBloomington/Norm, the airSTATION REPORT · ASOS BMITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BMI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 24 mph, gusting 31 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Bloomington/Norm, north up: blowing from 300 degrees, the west northwest, at 24 miles an hour, gusting 31; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BMIFIG. C THE WIND AT BLOOMINGTON/NORMPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 24 MPH6STRONG BREEZE25GUST, 31 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBloomington/Norm, the windSTATION REPORT · ASOS BMITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BMI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Normal (NRLI2), 10.9 miles from here, read 15 Oct, 05:00. measured daily

Elsewhere in Illinois

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

Near Lexington

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

Near Lexington

River and lake gauges