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Pittsburg, Illinois

Village in Williamson County, Illinois

Air quality

The air at Pittsburg

Index 16, good, led by ozone. Read at 11 AM from its reporting area, Farrar (MO), 47 miles off.

16Good
  • Fine particles (PM2.5)-24.6 mi
  • Ozone16Good19 ppb24.6 mi

The days ahead

Yesterday measured 26, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Pittsburg

0.19 in in the last 24 hours, 0.83 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.19in
Last 3 days
0.83in

Visibility

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

Visibility stays 9 miles or more through Sun 7 AM, lowest 10 miles Sat 7 AM.

FriSatSun

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

What is measuring near here

The 5 instruments nearest Pittsburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.3 miles away.

measured now3 instruments

measured daily2 instruments

Marion 0.4 SWIL-WM-30

In a volunteer observer's own ground/6.3 mi away/443 ft/23 ft below here

precip, snowfall, snow depth

Rank-

West FrankfortWFRI2

At a cooperative observer's station/10.2 mi away/430 ft/36 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Marion Regional, drawn

The nearest airport reporting now, 9.0 mi from Pittsburg, Illinois. From its report of Oct 16, 2026, 10:45 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,800 ft, overcast at 10,000 ft; the ceiling is 10,000 ft; visibility 10 mi or more.

Section of the sky over Marion Regional, height above the station to scale: scattered cloud with its base at 1,800 feet, overcast cloud with its base at 10,000 feet, the ceiling at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MWAFIG. A THE SKY OVER MARION REGIONALSECTION, 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 STATIONOVC 10,000 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 1,800 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 10,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMarion Regional, the skySTATION REPORT · ASOS MWATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MWA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

53.6 F with a dew point of 41.0 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at Marion Regional: temperature 53.6 degrees Fahrenheit and dew point 41.0, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MWAFIG. B THE AIR AT MARION REGIONALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 2,900 FT ABOVE THE STATION, AT 38.2 FLOWEST CLOUD REPORTED, SCT 1,800 FTTEMPERATURE 53.6 FDEW POINT 41.0 FSPREAD 12.6 FRELATIVE HUMIDITY 62 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 POINTTITLEMarion Regional, the airSTATION REPORT · ASOS MWATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MWA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 17 mph, gusting 26 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Marion Regional, north up: blowing from 320 degrees, the northwest, at 17 miles an hour, gusting 26; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MWAFIG. C THE WIND AT MARION REGIONALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 26 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMarion Regional, the windSTATION REPORT · ASOS MWATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MWA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Marion Regional, 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 Pittsburg

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

Near Pittsburg

River and lake gauges