Storm Station
Sign in

Clayton, Illinois

Village in Adams County, Illinois

Air quality

The air at Clayton

Index 19, good, led by ozone. Read at 11 AM from its reporting area, Mark Twain State Park (MO), 58 miles off.

19Good
  • Ozone19Good18 ppb21.4 mi
  • Coarse particles (PM10)11Good-

The days ahead

Yesterday measured 19, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Clayton

None in the last 24 hours; 0.46 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.46in

Visibility

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

Visibility stays 8 miles or more through Sun 7 AM, lowest 8 miles Sat 8 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Clayton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.4 miles away.

measured now4 instruments

Perry [CCOOP]PEYI2

At a river or reservoir gauge/17.2 mi away/633 ft/100 ft below here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

Camp Point 4.6 NWIL-AD-20

In a volunteer observer's own ground/7.0 mi away/676 ft/57 ft below here

precip, snowfall, snow depth

Rank-

AugustaAUGI2

At a cooperative observer's station/14.1 mi away/666 ft/67 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mount Sterling, drawn

The nearest airport reporting now, 8.6 mi from Clayton, Illinois. From its report of Oct 16, 2026, 11:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,500 ft, broken at 3,300 ft, overcast at 8,000 ft; the ceiling is 3,300 ft; visibility 10 mi or more.

Section of the sky over Mount Sterling, height above the station to scale: scattered cloud with its base at 2,500 feet, broken cloud with its base at 3,300 feet, overcast cloud with its base at 8,000 feet, the ceiling at 3,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I63FIG. A THE SKY OVER MOUNT STERLINGSECTION, 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 FTOVC 8,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 3,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMount Sterling, the skySTATION REPORT · ASOS I63TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-I63-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

51.8 F with a dew point of 42.4 F, 70 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 2,500 ft.

Chart of the air at Mount Sterling: temperature 51.8 degrees Fahrenheit and dew point 42.4, 70 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 2,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I63FIG. B THE AIR AT MOUNT STERLINGTHE 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 2,100 FT ABOVE THE STATION, AT 40.3 FLOWEST CLOUD REPORTED, SCT 2,500 FTTEMPERATURE 51.8 FDEW POINT 42.4 FSPREAD 9.4 FRELATIVE HUMIDITY 70 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 POINTTITLEMount Sterling, the airSTATION REPORT · ASOS I63TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-I63-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 17 mph, gusting 30 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Mount Sterling, north up: blowing from 310 degrees, the northwest, at 17 miles an hour, gusting 30; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I63FIG. C THE WIND AT MOUNT STERLINGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 30 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMount Sterling, the windSTATION REPORT · ASOS I63TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-I63-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Augusta (AUGI2), 14.1 miles from here, read 14 Oct, 05:50. measured daily

Elsewhere in Illinois

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

Near Clayton

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

Near Clayton

River and lake gauges