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Marietta, Illinois

Village in Fulton County, Illinois

Air quality

The air at Marietta

Index 25, good, led by fine particles. Read at 11 AM from its reporting area, Peoria (IL), 50 miles off.

25Good
  • Fine particles (PM2.5)25Good-
  • 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 AM.

FriSatSun

Precipitation

What has fallen at Marietta

0.10 in in the last 24 hours, 0.46 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.10in
Last 3 days
0.46in

Visibility

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

Visibility stays 3 miles or more through Sun 7 AM, lowest 4 miles Fri 4 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Marietta, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.8 miles away.

measured now4 instruments

measured daily2 instruments

Bushnell 0.1 SSWIL-MCD-14

In a volunteer observer's own ground/6.8 mi away/647 ft/2 ft below here

precip, snowfall, snow depth

Rank-

Prairie CityPRCI2

At a cooperative observer's station/7.3 mi away/676 ft/27 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Macomb Muni, drawn

The nearest airport reporting now, 13.6 mi from Marietta, Illinois. From its report of Oct 16, 2026, 11:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,200 ft; the ceiling is 2,200 ft; visibility 5 mi.

Section of the sky over Macomb Muni, height above the station to scale: overcast cloud with its base at 2,200 feet, the ceiling at 2,200 feet, and visibility of 5 mi.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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,200 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 5 MI0510TITLEMacomb Muni, the skySTATION REPORT · ASOS MQBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MQB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

49.3 F with a dew point of 46.6 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 600 ft up; the lowest cloud reported is at 2,200 ft.

Chart of the air at Macomb Muni: temperature 49.3 degrees Fahrenheit and dew point 46.6, 90 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, against the lowest cloud reported at 2,200 feet; 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 F60 FSATURATES 600 FT ABOVE THE STATION, AT 46.0 FLOWEST CLOUD REPORTED, OVC 2,200 FTTEMPERATURE AND DEW POINT 49.3 F, 46.6 FRELATIVE HUMIDITY 90 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 6DATE2026-10-16IDSR-MQB-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 16 mph, gusting 28 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Macomb Muni, north up: blowing from 320 degrees, the northwest, at 16 miles an hour, gusting 28; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 28 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMacomb Muni, the windSTATION REPORT · ASOS MQBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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

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Snow on the ground

Elsewhere in Illinois

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

Near Marietta

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

Near Marietta

River and lake gauges