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Mill Creek, Illinois

Village in Union County, Illinois

Air quality

The air at Mill Creek

Index 19, good, led by ozone. Read at 12 AM from its reporting area, Farrar (MO), 35 miles off.

19Good
  • Ozone19Good-

The days ahead

Yesterday measured 28, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Mill Creek

0.08 in in the last 24 hours, 0.64 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.08in
Last 3 days
0.64in

Visibility

How far you can see at Mill Creek, the next 43 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Mill Creek, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.3 miles away.

measured now4 instruments

CairoCIR

At an airfield/19.2 mi away/321 ft/59 ft below here

temp, wind, gust, visibility, precip, pressure

Rank534of 1,393

measured daily2 instruments

Anna 2 NNEANNI2

At a cooperative observer's station/9.7 mi away/640 ft/260 ft above here

snowfall, snow depth, precip, high, low

Rank49of 1,393

Station report

The weather at Cairo, drawn

The nearest airport reporting now, 19.2 mi from Mill Creek, Illinois. From its report of Oct 16, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 8,000 ft; the ceiling is 8,000 ft; visibility 10 mi or more.

Section of the sky over Cairo, height above the station to scale: broken cloud with its base at 8,000 feet, the ceiling at 8,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CIRFIG. A THE SKY OVER CAIROSECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 8,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 8,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLECairo, the skySTATION REPORT · ASOS CIRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CIR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

74.0 F with a dew point of 60.8 F, 63 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,100 ft up; the lowest cloud reported is at 8,000 ft.

Chart of the air at Cairo: temperature 74.0 degrees Fahrenheit and dew point 60.8, 63 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,100 feet above the station, against the lowest cloud reported at 8,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CIRFIG. B THE AIR AT CAIROTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00050 F60 F70 F80 FSATURATES 3,100 FT ABOVE THE STATION, AT 57.7 FLOWEST CLOUD REPORTED, BKN 8,000 FTTEMPERATURE 74.0 FDEW POINT 60.8 FSPREAD 13.2 FRELATIVE HUMIDITY 63 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 POINTTITLECairo, the airSTATION REPORT · ASOS CIRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CIR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Cairo, 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 CIRFIG. C THE WIND AT CAIROPLAN, 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 FORCE73TITLECairo, the windSTATION REPORT · ASOS CIRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CIR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Anna 2 NNE (ANNI2), 9.7 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 Mill Creek

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

Near Mill Creek

River and lake gauges