Storm Station
Millbrook, Illinois
51° 69°/48°
Clear· Feels like 51°·Light air 3 mph ENE
Patchy fog. Mostly cloudy, with a low around 48. Northeast wind around 0 mph.
0UV Low
52Air quality
94%Humidity
12%Cloud
Now
3:15 AM
51feels51
now, clear
Today
Sep 27
6948
overcast
Mon
Sep 28
7148
overcast
Tue
Sep 29
7554
overcast
Wed
Sep 30
7964
46%
13mph
overcast
Thu
Oct 1
7257
63%
13mph
showers light
Fri
Oct 2
6347
38%
13mph
overcast
Sat
Oct 3
6745
24%
overcast
51°
69°48°
71°48°
75°54°
79°64°
72°57°
63°47°
67°45°

As of 3:15 AM in Millbrook, Illinois.

What is measuring near here

The 5 instruments nearest Millbrook, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.2 miles away.

measured now3 instruments

Chicago/AuroraARR

At an airfield/12.3 mi away/705 ft/88 ft above here

temp, wind, gust, visibility, precip, pressure

Rank13of 417

ChannahonCDII2

At a river or reservoir gauge/19.2 mi away/571 ft/46 ft below here

temp, wind, gust, humidity, pressure

Rank391of 417

Shabbona 5 NNE54811

At a climate reference station/22.3 mi away/861 ft/244 ft above here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Millington 0.4 NIL-KD-35

In a volunteer observer's own ground/3.2 mi away/567 ft/50 ft below here

precip, snowfall, snow depth

Rank-

Morris 1NWMOSI2

At a cooperative observer's station/17.2 mi away/522 ft/95 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chicago/Aurora, drawn

The nearest airport reporting now, 12.3 mi from Millbrook. From its report of Sep 27, 2026, 2:52 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 6 mi.

Section of the sky over Chicago/Aurora, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 6 mi.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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 6 MI0510TITLEChicago/Aurora, the skySTATION REPORT · ASOS ARRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-ARR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 48.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Chicago/Aurora: temperature 48.0 degrees Fahrenheit and dew point 48.0, 100 per cent relative humidity; the air saturated at the ground; 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 48.0 F, 48.0 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/Aurora, the airSTATION REPORT · ASOS ARRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-ARR-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/Aurora, 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 ARRFIG. C THE WIND AT CHICAGO/AURORAPLAN, 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/Aurora, the windSTATION REPORT · ASOS ARRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

0in

Snow on the ground

Measured at Morris 1NW (MOSI2), 17.2 miles from here, read 26 Sep, 08:00. measured daily

Elsewhere in Illinois

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

Near Millbrook

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