Storm Station
Crystal Lake, Illinois
52°
Partly cloudy· Feels like 52°·Light air 2 mph ENE
Patchy fog before 9am. Partly sunny. High near 70, with temperatures falling to around 67 in the afternoon. Northeast wind 0 to 5 mph.
-UV
-Air quality
91%Humidity
52%Cloud

What is measuring near here

The 6 instruments nearest Crystal Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

Rakow @ Pyott RdIMC03

Beside a road/1.3 mi away/895 ft/4 ft above here

temp, pavement temp, wind, visibility, precip

Rank410of 417

Chicago - Schaumburg06C

At an airfield/19.9 mi away/797 ft/94 ft below here

temp, wind, gust, visibility, precip, pressure

Rank286of 417

NorthbrookNBKI2

At a river or reservoir gauge/25.3 mi away/674 ft/217 ft below here

temp, wind, gust, humidity, pressure

Rank353of 417

Shabbona 5 NNE54811

At a climate reference station/37.2 mi away/861 ft/30 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Crystal Lake 1.6 SWIL-MCH-105

In a volunteer observer's own ground/0.7 mi away/896 ft/5 ft above here

precip, snowfall, snow depth

Rank-

Crystal Lake 4NWCRYI2

At a cooperative observer's station/4.0 mi away/932 ft/41 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chicago - Schaumburg, drawn

The nearest airport reporting now, 19.9 mi from Crystal Lake. From its report of Sep 27, 2026, 8:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 200 ft; the ceiling is 200 ft; visibility 1/2 mi.

Section of the sky over Chicago - Schaumburg, height above the station to scale: overcast cloud with its base at 200 feet, the ceiling at 200 feet, and visibility of 1/2 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 06CFIG. A THE SKY OVER CHICAGO - SCHAUMBURGSECTION, 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 SHEETOVC 200 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 200 FTVISIBILITY, MILES: 1/2 MI0510TITLEChicago - Schaumburg, the skySTATION REPORT · ASOS 06CTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-06C-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

54.3 F with a dew point of 54.3 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 200 ft.

Chart of the air at Chicago - Schaumburg: temperature 54.3 degrees Fahrenheit and dew point 54.3, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 06CFIG. B THE AIR AT CHICAGO - SCHAUMBURGTHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 200 FTTEMPERATURE AND DEW POINT 54.3 F, 54.3 FRELATIVE HUMIDITY 100 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 - Schaumburg, the airSTATION REPORT · ASOS 06CTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-06C-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Chicago - Schaumburg, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 06CFIG. C THE WIND AT CHICAGO - SCHAUMBURGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago - Schaumburg, the windSTATION REPORT · ASOS 06CTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-06C-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Chicago - Schaumburg, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Illinois

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

Near Crystal Lake

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