Storm Station
Olmsted, Illinois
61°
Partly cloudy· Feels like 61°·Calm 1 mph NE
A chance of rain showers before 5pm. Mostly cloudy. High near 75, with temperatures falling to around 73 in the afternoon. Northeast wind around 2 mph.
-UV
-Air quality
75%Humidity
72%Cloud

What is measuring near here

The 4 instruments nearest Olmsted, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.7 miles away.

measured now2 instruments

CairoCIR

At an airfield/11.0 mi away/321 ft/72 ft below here

temp, wind, gust, visibility, precip, pressure

Rank281of 417

Bean Ridge RAWSBNRI2

A remote fire weather station/16.8 mi away/714 ft/321 ft above here

temp, wind, gust, humidity, pressure

Rank92of 417

measured daily2 instruments

Grand Chain Dam 53GCTI2

At a dam/2.7 mi away/384 ft/9 ft below here

snowfall, snow depth, precip, high, low

Rank-

Villa Ridge 2.1 ESEIL-PL-4

In a volunteer observer's own ground/5.0 mi away/357 ft/36 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Cairo, drawn

The nearest airport reporting now, 11.0 mi from Olmsted. From its report of Sep 27, 2026, 7:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 7,500 ft; visibility 10 mi or more.

Section of the sky over Cairo, height above the station to scale: scattered cloud with its base at 7,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CIRFIG. A THE SKY OVER CAIROSECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 7,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLECairo, the skySTATION REPORT · ASOS CIRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-CIR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

61.7 F with a dew point of 56.3 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 7,500 ft.

Chart of the air at Cairo: temperature 61.7 degrees Fahrenheit and dew point 56.3, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 7,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CIRFIG. B THE AIR AT CAIROTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 1,300 FT ABOVE THE STATION, AT 55.0 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 7,500 FTTEMPERATURE 61.7 FDEW POINT 56.3 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 POINTTITLECairo, the airSTATION REPORT · ASOS CIRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-CIR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Cairo, 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 CIRFIG. C THE WIND AT CAIROPLAN, 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 FORCE73TITLECairo, the windSTATION REPORT · ASOS CIRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-CIR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Cairo, 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 Olmsted

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