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Grayville, Illinois

City in White County, Illinois

Air quality

The air at Grayville

Index 31, good, led by fine particles. Read at 4 AM from its reporting area, Evansville (IN), 29 miles off.

31Good
  • Fine particles (PM2.5)31Good-
  • Ozone23Good-
  • Coarse particles (PM10)10Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 51, moderate.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Grayville

0.06 in in the last 24 hours, 0.86 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.06in
Last 3 days
0.86in

Visibility

How far you can see at Grayville, the next 46 hours

Visibility stays 6 miles or more through Sun 1 AM, lowest 7 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Grayville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.5 miles away.

measured now3 instruments

Posey 3 (Py 3)380758087551001

At a river or reservoir gauge/9.8 mi away/381 ft/64 ft below here

temp, wind, gust, humidity, pressure

Rank868of 1,393

FairfieldFWC

At an airfield/24.0 mi away/436 ft/9 ft below here

temp, wind, gust, visibility, precip, pressure

Rank354of 1,393

measured daily2 instruments

FairfieldFFDI2

At a cooperative observer's station/19.3 mi away/486 ft/41 ft above here

snowfall, snow depth, precip, high, low

Rank160of 1,393

Station report

The weather at Fairfield, drawn

The nearest airport reporting now, 24.0 mi from Grayville, Illinois. From its report of Oct 16, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,800 ft; the ceiling is 1,800 ft; visibility 10 mi or more.

Section of the sky over Fairfield, height above the station to scale: overcast cloud with its base at 1,800 feet, the ceiling at 1,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FWCFIG. A THE SKY OVER FAIRFIELDSECTION, 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 SHEETOVC 1,800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFairfield, the skySTATION REPORT · ASOS FWCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FWC-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

56.3 F with a dew point of 51.4 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at Fairfield: temperature 56.3 degrees Fahrenheit and dew point 51.4, 84 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FWCFIG. B THE AIR AT FAIRFIELDTHE 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 F70 FSATURATES 1,100 FT ABOVE THE STATION, AT 50.3 FLOWEST CLOUD REPORTED, OVC 1,800 FTTEMPERATURE 56.3 FDEW POINT 51.4 FSPREAD 4.9 FRELATIVE HUMIDITY 84 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 POINTTITLEFairfield, the airSTATION REPORT · ASOS FWCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FWC-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Fairfield, north up: blowing from 300 degrees, the west northwest, at 8 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 FWCFIG. C THE WIND AT FAIRFIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFairfield, the windSTATION REPORT · ASOS FWCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FWC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Fairfield (FFDI2), 19.3 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Grayville

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

Near Grayville

River and lake gauges