Storm Station
Sign in

Lenzburg, Illinois

Village in St. Clair County, Illinois

Air quality

The air at Lenzburg

Index 19, good, led by ozone. Read at 6 AM from its reporting area, St. Louis (Metro-east) (IL), 21 miles off.

19Good
  • Fine particles (PM2.5)16Good8.1 mi
  • Ozone19Good16 ppb8.1 mi
  • Coarse particles (PM10)6Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 39, good.

Smoke, the next 44 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Lenzburg

0.20 in in the last 24 hours, 1.25 in over the last 3 days, to Fri 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.20in
Last 3 days
1.25in

Visibility

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

Visibility stays 6 miles or more through Sun 1 AM, lowest 6 miles Fri 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Lenzburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.4 miles away.

measured now4 instruments

SpartaSAR

At an airfield/11.5 mi away/538 ft/95 ft above here

temp, wind, gust, visibility, precip, pressure

Rank508of 1,393

measured daily2 instruments

St. LiborySTBI2

At a cooperative observer's station/7.4 mi away/420 ft/23 ft below here

snowfall, snow depth, precip, high, low

Rank-

Baldwin 3.0 EIL-RH-3

In a volunteer observer's own ground/7.6 mi away/443 ft/level with here

precip, snowfall, snow depth

Rank-

Station report

The weather at Sparta, drawn

The nearest airport reporting now, 11.5 mi from Lenzburg, Illinois. From its report of Oct 16, 2026, 6:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,600 ft, overcast at 3,200 ft; the ceiling is 2,600 ft; visibility 10 mi or more.

Section of the sky over Sparta, height above the station to scale: broken cloud with its base at 2,600 feet, overcast cloud with its base at 3,200 feet, the ceiling at 2,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SARFIG. A THE SKY OVER SPARTASECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,200 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESparta, the skySTATION REPORT · ASOS SARTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SAR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

55.6 F with a dew point of 48.6 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 2,600 ft.

Chart of the air at Sparta: temperature 55.6 degrees Fahrenheit and dew point 48.6, 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 2,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SARFIG. B THE AIR AT SPARTATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 1,600 FT ABOVE THE STATION, AT 47.0 FLOWEST CLOUD REPORTED, BKN 2,600 FTTEMPERATURE 55.6 FDEW POINT 48.6 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 POINTTITLESparta, the airSTATION REPORT · ASOS SARTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SAR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 9 mph, gusting 18 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Sparta, north up: blowing from 310 degrees, the northwest, at 9 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SARFIG. C THE WIND AT SPARTAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE13GUST, 18 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESparta, the windSTATION REPORT · ASOS SARTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SAR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Illinois

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

Near Lenzburg

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

Near Lenzburg

River and lake gauges