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Godfrey, Illinois

Village in Madison County, Illinois

Air quality

The air at Godfrey

Index 20, good, led by fine particles. Read at 2 PM from its reporting area, St. Louis (Metro-east) (IL), 28 miles off.

20Good
  • Fine particles (PM2.5)20Good7.5 mi
  • Ozone19Good19 ppb4.9 mi
  • Coarse particles (PM10)10Good16.6 mi
  • Nitrogen dioxide2Good2.2 ppb4.9 mi
  • Sulfur dioxide0Good0.3 ppb18.6 mi
  • Carbon monoxide-0.1 ppm19.6 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 39, good.

Smoke, the next 41 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Godfrey

0.02 in in the last 24 hours, 1.25 in over the last 3 days, to Fri 2 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
1.25in

Visibility

How far you can see at Godfrey, the next 41 hours

Visibility stays 9 miles or more through Sun 7 AM, lowest 10 miles Sat 3 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Godfrey, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.8 miles away.

measured now4 instruments

measured daily2 instruments

AltonALNI2

At a cooperative observer's station/4.1 mi away/394 ft/203 ft below here

snowfall, snow depth, precip, high, low

Rank981of 1,393

Brighton 4.9 SSEIL-MD-4

In a volunteer observer's own ground/6.7 mi away/577 ft/20 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Alton/St Louis R, drawn

The nearest airport reporting now, 9.2 mi from Godfrey, Illinois. From its report of Oct 16, 2026, 2:50 PM local time: 3 of its 6 sheets.

The sky

Scattered at 2,000 ft, broken at 2,600 ft, overcast at 4,200 ft; the ceiling is 2,600 ft; visibility 7 mi.

Section of the sky over Alton/St Louis R, height above the station to scale: scattered cloud with its base at 2,000 feet, broken cloud with its base at 2,600 feet, overcast cloud with its base at 4,200 feet, the ceiling at 2,600 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALNFIG. A THE SKY OVER ALTON/ST LOUIS RSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONOVC 4,200 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,600 FTVISIBILITY, MILES: 7 MI0510TITLEAlton/St Louis R, the skySTATION REPORT · ASOS ALNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ALN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

51.8 F with a dew point of 46.4 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 2,000 ft.

Chart of the air at Alton/St Louis R: temperature 51.8 degrees Fahrenheit and dew point 46.4, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 2,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALNFIG. B THE AIR AT ALTON/ST LOUIS RTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 45.1 FLOWEST CLOUD REPORTED, SCT 2,000 FTTEMPERATURE 51.8 FDEW POINT 46.4 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 POINTTITLEAlton/St Louis R, the airSTATION REPORT · ASOS ALNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ALN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 15 mph, gusting 29 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 33 mph.

Plan of the wind at Alton/St Louis R, north up: blowing from 310 degrees, the northwest, at 15 miles an hour, gusting 29; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALNFIG. C THE WIND AT ALTON/ST LOUIS RPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 29 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAlton/St Louis R, the windSTATION REPORT · ASOS ALNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ALN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Alton/St Louis R, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Alton (ALNI2), 4.1 miles from here, read 16 Oct, 05:00. measured daily

Elsewhere in Illinois

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

Near Godfrey

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

Near Godfrey

River and lake gauges