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Stonefort, Illinois

Village in Williamson County, Illinois

Air quality

The air at Stonefort

Index 46, good, led by fine particles. Read at 1 AM from its reporting area, Paducah (KY), 39 miles off.

46Good
  • Fine particles (PM2.5)46Good-
  • Ozone38Good-

The days ahead

Yesterday measured 36, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Stonefort

0.02 in in the last 24 hours, 0.28 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.28in

Visibility

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

Visibility stays 6 miles or more through Sat 7 PM, lowest 7 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Stonefort, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.1 miles away.

measured now3 instruments

HarrisburgHSB

At an airfield/16.0 mi away/397 ft/19 ft below here

temp, wind, gust, visibility, precip, pressure

Rank454of 1,393

measured daily2 instruments

Creal Springs 4.4 ENEIL-WM-28

In a volunteer observer's own ground/3.1 mi away/555 ft/139 ft above here

precip, snowfall, snow depth

Rank-

Agricultural CenterDSAI2

On a farm or research station/12.9 mi away/535 ft/119 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Harrisburg, drawn

The nearest airport reporting now, 16.0 mi from Stonefort, Illinois. From its report of Oct 16, 2026, 1:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 8,500 ft; the ceiling is 8,500 ft; visibility 10 mi or more.

Section of the sky over Harrisburg, height above the station to scale: overcast cloud with its base at 8,500 feet, the ceiling at 8,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HSBFIG. A THE SKY OVER HARRISBURGSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 8,500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 8,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHarrisburg, the skySTATION REPORT · ASOS HSBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HSB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

74.7 F with a dew point of 67.3 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 8,500 ft.

Chart of the air at Harrisburg: temperature 74.7 degrees Fahrenheit and dew point 67.3, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 8,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HSBFIG. B THE AIR AT HARRISBURGTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00050 F60 F70 F80 F90 FSATURATES 1,700 FT ABOVE THE STATION, AT 65.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 8,500 FTTEMPERATURE 74.7 FDEW POINT 67.3 FSPREAD 7.4 FRELATIVE HUMIDITY 78 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 POINTTITLEHarrisburg, the airSTATION REPORT · ASOS HSBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HSB-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 15 mph, gusting 18 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Harrisburg, north up: blowing from 280 degrees, the west, at 15 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HSBFIG. C THE WIND AT HARRISBURGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHarrisburg, the windSTATION REPORT · ASOS HSBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HSB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Harrisburg, 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 Stonefort

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

Near Stonefort

River and lake gauges