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Clermont, Iowa

City in Fayette County, Iowa

Air quality

The air at Clermont

Index 20, good, led by fine particles. Read at 11 PM from its reporting area, Waterloo (IA), 52 miles off.

20Good
  • Fine particles (PM2.5)20Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 21, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Clermont

0.04 in in the last 24 hours, 0.94 in over the last 3 days, to Fri 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.94in

Visibility

How far you can see at Clermont, the next 45 hours

Visibility stays 10 miles or more through Sun 7 PM.

SatSun

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

What is measuring near here

The 6 instruments nearest Clermont, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.8 miles away.

measured now4 instruments

HawkeyeHKYI4

Beside a road/15.4 mi away/1,074 ft/221 ft above here

temp, pavement temp, wind, visibility, precip

Rank863of 1,055

DecorahDEH

At an airfield/19.6 mi away/1,157 ft/304 ft above here

temp, wind, gust, visibility, precip, pressure

Rank191of 1,055

measured daily2 instruments

PostvillePSTI4

At a cooperative observer's station/7.8 mi away/1,148 ft/295 ft above here

snowfall, snow depth, precip, high, low

Rank-

West Union 6.1 NIA-FY-6

In a volunteer observer's own ground/9.1 mi away/935 ft/82 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Decorah, drawn

The nearest airport reporting now, 19.6 mi from Clermont, Iowa. From its report of Oct 16, 2026, 11:35 PM local time: 3 of its 6 sheets.

The sky

Broken at 1,500 ft, broken at 2,100 ft; the ceiling is 1,500 ft; visibility 10 mi or more.

Section of the sky over Decorah, height above the station to scale: broken cloud with its base at 1,500 feet, broken cloud with its base at 2,100 feet, the ceiling at 1,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DEHFIG. A THE SKY OVER DECORAHSECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 2,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEDecorah, the skySTATION REPORT · ASOS DEHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-DEH-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

37.4 F with a dew point of 33.8 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 1,500 ft.

Chart of the air at Decorah: temperature 37.4 degrees Fahrenheit and dew point 33.8, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 1,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DEHFIG. B THE AIR AT DECORAHTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 800 FT ABOVE THE STATION, AT 33.0 FLOWEST CLOUD REPORTED, BKN 1,500 FTTEMPERATURE 37.4 FDEW POINT 33.8 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLEDecorah, the airSTATION REPORT · ASOS DEHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-DEH-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 Decorah, 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 DEHFIG. C THE WIND AT DECORAHPLAN, 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 FORCE73TITLEDecorah, the windSTATION REPORT · ASOS DEHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-DEH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Decorah, 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 Clermont

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

Near Clermont

River and lake gauges