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Sandwich, Illinois

City in DeKalb County, Illinois

Air quality

The air at Sandwich

Index 16, good, led by fine particles. Read at 10 PM from its reporting area, Aurora and Elgin (IL), 15 miles off.

16Good
  • Fine particles (PM2.5)16Good-
  • Ozone9Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 28, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Sandwich

0.57 in in the last 24 hours, 0.70 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.57in
Last 3 days
0.70in

Visibility

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

Visibility stays 6 miles or more through Sat 7 PM, lowest 6 miles Fri 12 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Sandwich, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now5 instruments

measured daily2 instruments

Sandwich 0.3 NEIL-DK-23

In a volunteer observer's own ground/0.1 mi away/671 ft/4 ft above here

precip, snowfall, snow depth

Rank-

Shabbona 3SSHBI2

At a cooperative observer's station/13.9 mi away/850 ft/183 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chicago/Aurora, drawn

The nearest airport reporting now, 11.0 mi from Sandwich, Illinois. From its report of Oct 15, 2026, 11:12 PM local time: 3 of its 6 sheets.

The sky

Scattered at 1,700 ft, scattered at 2,300 ft, overcast at 3,400 ft; the ceiling is 3,400 ft; visibility 10 mi or more.

Section of the sky over Chicago/Aurora, height above the station to scale: scattered cloud with its base at 1,700 feet, scattered cloud with its base at 2,300 feet, overcast cloud with its base at 3,400 feet, the ceiling at 3,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARRFIG. A THE SKY OVER CHICAGO/AURORASECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,400 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 2,300 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYSCT 1,700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEChicago/Aurora, the skySTATION REPORT · ASOS ARRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ARR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.0 F with a dew point of 54.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 1,700 ft.

Chart of the air at Chicago/Aurora: temperature 57.0 degrees Fahrenheit and dew point 54.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 1,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARRFIG. B THE AIR AT CHICAGO/AURORATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 700 FT ABOVE THE STATION, AT 53.3 FLOWEST CLOUD REPORTED, SCT 1,700 FTTEMPERATURE 57.0 FDEW POINT 54.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 POINTTITLEChicago/Aurora, the airSTATION REPORT · ASOS ARRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ARR-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 14 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Chicago/Aurora, north up: blowing from 290 degrees, the west northwest, at 14 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARRFIG. C THE WIND AT CHICAGO/AURORAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago/Aurora, the windSTATION REPORT · ASOS ARRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ARR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Chicago/Aurora, 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 Sandwich

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

Near Sandwich

River and lake gauges