Storm Station
Greenfield, Illinois
58°
Mostly clear· Feels like 58°·Light air 1 mph E
A slight chance of rain showers before 5am. Mostly cloudy, with a low around 57. North wind around 2 mph. Chance of precipitation is 20%.
-UV
-Air quality
90%Humidity
33%Cloud

What is measuring near here

The 4 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 now2 instruments

JacksonvilleIJX

At an airfield/29.9 mi away/623 ft/36 ft above here

temp, wind, gust, visibility, precip, pressure

Rank281of 417

Mississippi River At Alton IlALOI2

At a river or reservoir gauge/31.5 mi away/423 ft/164 ft below here

temp, wind, gust, humidity, pressure

Rank308of 417

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

Rank-

Station report

The weather at Jacksonville, drawn

The nearest airport reporting now, 29.9 mi from Greenfield. From its report of Sep 27, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 6,500 ft; the ceiling is 6,500 ft; visibility 10 mi or more.

Section of the sky over Jacksonville, height above the station to scale: overcast cloud with its base at 6,500 feet, the ceiling at 6,500 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 6,500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 6,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEJacksonville, the skySTATION REPORT · ASOS IJXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-IJX-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

59.4 F with a dew point of 59.4 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 6,500 ft.

Chart of the air at Jacksonville: temperature 59.4 degrees Fahrenheit and dew point 59.4, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 6,500 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 STATION01,0002,0003,00050 F60 F70 FSATURATED AT THE GROUNDABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 6,500 FTTEMPERATURE AND DEW POINT 59.4 F, 59.4 FRELATIVE HUMIDITY 100 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 6DATE2026-09-27IDSR-IJX-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Jacksonville, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJacksonville, the windSTATION REPORT · ASOS IJXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

0in

Snow on the ground

Measured at White Hall (WHLI2), 11.0 miles from here, read 26 Sep, 07:00. measured daily

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.