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Ashton, Illinois

Village in Lee County, Illinois

Air quality

The air at Ashton

Index 14, good, led by ozone. Read at 2 AM from its reporting area, Rockford (IL), 33 miles off.

14Good
  • Fine particles (PM2.5)5Good-
  • Ozone14Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 18, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Ashton

0.47 in in the last 24 hours, 0.70 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.47in
Last 3 days
0.70in

Visibility

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

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

FriSat

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

What is measuring near here

The 7 instruments nearest Ashton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now5 instruments

RochelleRPJ

At an airfield/7.6 mi away/781 ft/74 ft below here

temp, wind, gust, visibility, precip, pressure

Rank522of 1,393

measured daily2 instruments

Oregon WWTPOREI2

At a water treatment plant/10.9 mi away/676 ft/179 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rochelle, drawn

The nearest airport reporting now, 7.6 mi from Ashton, Illinois. From its report of Oct 16, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,900 ft, overcast at 2,600 ft; the ceiling is 1,900 ft; visibility 10 mi or more.

Section of the sky over Rochelle, height above the station to scale: broken cloud with its base at 1,900 feet, overcast cloud with its base at 2,600 feet, the ceiling at 1,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. A THE SKY OVER ROCHELLESECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,600 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERochelle, the skySTATION REPORT · ASOS RPJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RPJ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

51.3 F with a dew point of 47.0 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 1,900 ft.

Chart of the air at Rochelle: temperature 51.3 degrees Fahrenheit and dew point 47.0, 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 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. B THE AIR AT ROCHELLETHE 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 1,000 FT ABOVE THE STATION, AT 46.0 FLOWEST CLOUD REPORTED, BKN 1,900 FTTEMPERATURE 51.3 FDEW POINT 47.0 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 POINTTITLERochelle, the airSTATION REPORT · ASOS RPJTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RPJ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 20 mph, gusting 28 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Rochelle, north up: blowing from 290 degrees, the west northwest, at 20 miles an hour, gusting 28; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. C THE WIND AT ROCHELLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 20 MPH6STRONG BREEZE25GUST, 28 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERochelle, the windSTATION REPORT · ASOS RPJTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RPJ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Rochelle, 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 Ashton

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

Near Ashton

River and lake gauges