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Earlham, Iowa

City in Madison County, Iowa

Air quality

The air at Earlham

Index 24, good, led by fine particles. Read at 1 AM from its reporting area, Des Moines (IA), 24 miles off.

24Good
  • Fine particles (PM2.5)24Good-
  • Ozone17Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 13, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Earlham

0.79 in in the last 24 hours, and none in the 2 days before, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.79in
Last 3 days
0.79in

Visibility

How far you can see at Earlham, the next 42 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Sat 1 AM.

FriSat

On the radar over Earlham, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Earlham, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now4 instruments

PerryPRO

At an airfield/22.9 mi away/1,004 ft/97 ft below here

temp, wind, gust, visibility, precip, pressure

Rank638of 1,060

measured daily2 instruments

Earlham 1.5 NNEIA-DL-3

In a volunteer observer's own ground/1.4 mi away/1,070 ft/31 ft below here

precip, snowfall, snow depth

Rank-

AdelADXI4

At a cooperative observer's station/10.1 mi away/961 ft/140 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Perry, drawn

The nearest airport reporting now, 22.9 mi from Earlham, Iowa. From its report of Oct 16, 2026, 1:55 AM local time: 3 of its 6 sheets.

The sky

Scattered at 4,500 ft, broken at 8,500 ft; the ceiling is 8,500 ft; visibility 10 mi or more.

Section of the sky over Perry, height above the station to scale: scattered cloud with its base at 4,500 feet, broken cloud with its base at 8,500 feet, the ceiling at 8,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PROFIG. A THE SKY OVER PERRYSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 8,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 4,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 8,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPerry, the skySTATION REPORT · ASOS PROTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PRO-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

45.7 F with a dew point of 41.5 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,000 ft up; the lowest cloud reported is at 4,500 ft.

Chart of the air at Perry: temperature 45.7 degrees Fahrenheit and dew point 41.5, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,000 feet above the station, against the lowest cloud reported at 4,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PROFIG. B THE AIR AT PERRYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 F60 FSATURATES 1,000 FT ABOVE THE STATION, AT 40.5 FLOWEST CLOUD REPORTED, SCT 4,500 FTTEMPERATURE 45.7 FDEW POINT 41.5 FSPREAD 4.2 FRELATIVE HUMIDITY 85 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 POINTTITLEPerry, the airSTATION REPORT · ASOS PROTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PRO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 17 mph: force 4, a moderate breeze on the Beaufort scale.

Plan of the wind at Perry, north up: blowing from 300 degrees, the west northwest, at 17 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PROFIG. C THE WIND AT PERRYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPerry, the windSTATION REPORT · ASOS PROTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PRO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Iowa

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

Near Earlham

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

Near Earlham

River and lake gauges