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Greenfield, Illinois

City in Greene County, Illinois

Air quality

The air at Greenfield

Index 9, good, led by fine particles. Read at 12 AM from its reporting area, Springfield (IL), 43 miles off.

9Good
  • Fine particles (PM2.5)9Good18 mi
  • Ozone7Good9 ppb18 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 43, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Greenfield

0.53 in in the last 24 hours, 0.74 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.53in
Last 3 days
0.74in

Visibility

How far you can see at Greenfield, the next 43 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Greenfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 10.9 miles away.

measured now4 instruments

measured daily2 instruments

Carrollton 0.3 NNWIL-GR-3

In a volunteer observer's own ground/10.9 mi away/630 ft/43 ft above here

precip, snowfall, snow depth

Rank-

White HallWHLI2

At a cooperative observer's station/11.0 mi away/558 ft/29 ft below here

snowfall, snow depth, precip, high, low

Rank1,012of 1,393

Station report

The weather at Jacksonville, drawn

The nearest airport reporting now, 29.9 mi from Greenfield, Illinois. From its report of Oct 16, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,100 ft; the ceiling is 2,100 ft; visibility 10 mi or more.

Section of the sky over Jacksonville, height above the station to scale: overcast cloud with its base at 2,100 feet, the ceiling at 2,100 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IJXFIG. A THE SKY OVER JACKSONVILLESECTION, 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 2,100 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEJacksonville, the skySTATION REPORT · ASOS IJXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-IJX-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

54.0 F with a dew point of 50.7 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 2,100 ft.

Chart of the air at Jacksonville: temperature 54.0 degrees Fahrenheit and dew point 50.7, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 2,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IJXFIG. B THE AIR AT JACKSONVILLETHE 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 800 FT ABOVE THE STATION, AT 49.9 FLOWEST CLOUD REPORTED, OVC 2,100 FTTEMPERATURE 54.0 FDEW POINT 50.7 FSPREAD 3.3 FRELATIVE HUMIDITY 89 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 POINTTITLEJacksonville, the airSTATION REPORT · ASOS IJXTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-IJX-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 14 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Jacksonville, north up: blowing from 300 degrees, the west northwest, at 14 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IJXFIG. C THE WIND AT JACKSONVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJacksonville, the windSTATION REPORT · ASOS IJXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-IJX-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Jacksonville, 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 Greenfield

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

Near Greenfield

River and lake gauges