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Lewistown, Illinois

City in Fulton County, Illinois

Air quality

The air at Lewistown

Index 16, good, led by ozone. Read at 11 PM from its reporting area, Peoria (IL), 43 miles off.

16Good
  • Fine particles (PM2.5)10Good-
  • Ozone16Good-

The days ahead

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

Smoke, the next 45 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Lewistown

0.02 in in the last 24 hours, 0.72 in over the last 3 days, to Fri 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.72in

Visibility

How far you can see at Lewistown, the next 45 hours

Visibility stays 9 miles or more through Sun 7 PM, lowest 9 miles Sat 8 AM.

SatSun

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

What is measuring near here

The 6 instruments nearest Lewistown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

measured daily2 instruments

Lewistown 0.2 NNEIL-FL-22

In a volunteer observer's own ground/0.2 mi away/592 ft/1 ft below here

precip, snowfall, snow depth

Rank-

HavanaHVAI2

At a cooperative observer's station/8.0 mi away/466 ft/127 ft below here

snowfall, snow depth, precip, high, low

Rank1,274of 1,419

Station report

The weather at Macomb Muni, drawn

The nearest airport reporting now, 27.4 mi from Lewistown, Illinois. From its report of Oct 16, 2026, 11:35 PM 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 Macomb Muni, 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 MQBFIG. A THE SKY OVER MACOMB MUNISECTION, 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 MORE0510TITLEMacomb Muni, the skySTATION REPORT · ASOS MQBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-MQB-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.4 F with a dew point of 40.0 F, 91 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 600 ft up.

Chart of the air at Macomb Muni: temperature 42.4 degrees Fahrenheit and dew point 40.0, 91 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MQBFIG. B THE AIR AT MACOMB MUNITHE 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 FSATURATES 600 FT ABOVE THE STATION, AT 39.5 FTEMPERATURE AND DEW POINT 42.4 F, 40.0 FRELATIVE HUMIDITY 91 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 POINTTITLEMacomb Muni, the airSTATION REPORT · ASOS MQBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-MQB-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Macomb Muni, north up: blowing from 330 degrees, the north northwest, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MQBFIG. C THE WIND AT MACOMB MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMacomb Muni, the windSTATION REPORT · ASOS MQBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-MQB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Havana (HVAI2), 8.0 miles from here, read 14 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Lewistown

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

Near Lewistown

River and lake gauges