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Mound Station, Illinois

Village in Brown County, Illinois

Air quality

The air at Mound Station

Index 16, good, led by coarse particles. Read at 4 AM from its reporting area, Mark Twain State Park (MO), 61 miles off.

16Good
  • Coarse particles (PM10)16Good-

The days ahead

Yesterday measured 20, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Mound Station

0.09 in in the last 24 hours, 0.35 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.09in
Last 3 days
0.35in

Visibility

How far you can see at Mound Station, the next 46 hours

Visibility stays 8 miles or more through Sun 1 AM, lowest 8 miles Sat 7 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Mound Station, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.9 miles away.

measured now4 instruments

Perry [CCOOP]PEYI2

At a river or reservoir gauge/14.6 mi away/633 ft/122 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/11.6 mi away/676 ft/79 ft below here

precip, snowfall, snow depth

Rank-

AugustaAUGI2

At a cooperative observer's station/15.9 mi away/666 ft/89 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mount Sterling, drawn

The nearest airport reporting now, 3.9 mi from Mound Station, Illinois. From its report of Oct 16, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Mount Sterling, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 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

The air

47.5 F with a dew point of 40.5 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up.

Chart of the air at Mount Sterling: temperature 47.5 degrees Fahrenheit and dew point 40.5, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station; 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 STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,600 FT ABOVE THE STATION, AT 38.9 FTEMPERATURE 47.5 FDEW POINT 40.5 FSPREAD 7.0 FRELATIVE HUMIDITY 77 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 west northwest (300 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Mount Sterling, north up: blowing from 300 degrees, the west northwest, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle 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 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR 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), 15.9 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 Mound Station

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

Near Mound Station

River and lake gauges