Storm Station
Riverdale, Illinois
51°
Mostly clear· Feels like 51°·Light air 2 mph NE
Patchy fog before 9am. Mostly sunny. High near 69, with temperatures falling to around 66 in the afternoon. North northeast wind 0 to 5 mph, with gusts as high as 10 mph.
-UV
-Air quality
90%Humidity
35%Cloud

What is measuring near here

The 4 instruments nearest Riverdale, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now2 instruments

ChicagoCHUI2

At a river or reservoir gauge/3.0 mi away/620 ft/17 ft above here

temp, wind, gust, humidity, pressure

Rank353of 417

Chicago/LansingIGQ

At an airfield/8.8 mi away/617 ft/14 ft above here

temp, wind, gust, visibility, precip, pressure

Rank283of 417

measured daily2 instruments

Blue Island 0.5 EIL-CK-44

In a volunteer observer's own ground/2.6 mi away/607 ft/4 ft above here

precip, snowfall, snow depth

Rank-

Lansing 2SLNSI2

At a cooperative observer's station/8.0 mi away/614 ft/11 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chicago/Lansing, drawn

The nearest airport reporting now, 8.8 mi from Riverdale. From its report of Sep 27, 2026, 8:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 100 ft; the ceiling is 100 ft; visibility 1/4 mi.

Section of the sky over Chicago/Lansing, height above the station to scale: overcast cloud with its base at 100 feet, the ceiling at 100 feet, and visibility of 1/4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IGQFIG. A THE SKY OVER CHICAGO/LANSINGSECTION, 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 100 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 100 FTVISIBILITY, MILES: 1/4 MI0510TITLEChicago/Lansing, the skySTATION REPORT · ASOS IGQTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-IGQ-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

49.0 F with a dew point of 49.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 100 ft.

Chart of the air at Chicago/Lansing: temperature 49.0 degrees Fahrenheit and dew point 49.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IGQFIG. B THE AIR AT CHICAGO/LANSINGTHE 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 GROUNDLOWEST CLOUD REPORTED, OVC 100 FTTEMPERATURE AND DEW POINT 49.0 F, 49.0 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/Lansing, the airSTATION REPORT · ASOS IGQTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-IGQ-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/Lansing, 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 IGQFIG. C THE WIND AT CHICAGO/LANSINGPLAN, 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/Lansing, the windSTATION REPORT · ASOS IGQTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-IGQ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Lansing 2S (LNSI2), 8.0 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Illinois

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

Near Riverdale

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