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Forrest, Illinois

Village in Livingston County, Illinois

Air quality

The air at Forrest

Index 12, good, led by fine particles. Read at 4 AM from its reporting area, Bloomington and Normal (IL), 17 miles off.

12Good
  • Fine particles (PM2.5)12Good-
  • Ozone10Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 29, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Forrest

0.06 in in the last 24 hours, 0.16 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
0.16in

Visibility

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

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Forrest, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.7 miles away.

measured now4 instruments

PontiacPNT

At an airfield/16.4 mi away/659 ft/25 ft below here

temp, wind, gust, visibility, precip, pressure

Rank765of 1,393

measured daily2 instruments

Fairbury 0.6 NWIL-LV-25

In a volunteer observer's own ground/5.8 mi away/686 ft/2 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Pontiac, drawn

The nearest airport reporting now, 16.4 mi from Forrest, Illinois. From its report of Oct 16, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,400 ft, broken at 3,000 ft; the ceiling is 3,000 ft; visibility 10 mi or more.

Section of the sky over Pontiac, height above the station to scale: scattered cloud with its base at 2,400 feet, broken cloud with its base at 3,000 feet, the ceiling at 3,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNTFIG. A THE SKY OVER PONTIACSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 3,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,400 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPontiac, the skySTATION REPORT · ASOS PNTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PNT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

52.0 F with a dew point of 47.7 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,000 ft up; the lowest cloud reported is at 2,400 ft.

Chart of the air at Pontiac: temperature 52.0 degrees Fahrenheit and dew point 47.7, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,000 feet above the station, against the lowest cloud reported at 2,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNTFIG. B THE AIR AT PONTIACTHE 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 1,000 FT ABOVE THE STATION, AT 46.7 FLOWEST CLOUD REPORTED, SCT 2,400 FTTEMPERATURE 52.0 FDEW POINT 47.7 FSPREAD 4.3 FRELATIVE HUMIDITY 85 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 POINTTITLEPontiac, the airSTATION REPORT · ASOS PNTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PNT-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 16 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Pontiac, north up: blowing from 290 degrees, the west northwest, at 16 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNTFIG. C THE WIND AT PONTIACPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPontiac, the windSTATION REPORT · ASOS PNTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PNT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Pontiac, 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 Forrest

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

Near Forrest

River and lake gauges