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Spillville, Iowa

City in Winneshiek County, Iowa

Air quality

The air at Spillville

Index 39, good, led by fine particles. Read at 8 AM from its reporting area, Waterloo (IA), 54 miles off.

39Good
  • Fine particles (PM2.5)39Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 27, good.

Smoke, the next 41 hours

No smoke near the ground through Mon 1 AM.

SatSun

Precipitation

What has fallen at Spillville

0.02 in in the last 24 hours, 0.98 in over the last 3 days, to Sat 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.98in

Visibility

How far you can see at Spillville, the next 41 hours

Visibility stays 9 miles or more through Mon 1 AM, lowest 9 miles Mon 1 AM.

SatSun

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

What is measuring near here

The 6 instruments nearest Spillville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now4 instruments

DecorahDEH

At an airfield/11.6 mi away/1,157 ft/96 ft above here

temp, wind, gust, visibility, precip, pressure

Rank191of 1,055

measured daily2 instruments

Fort Atkinson 2.6 WIA-WH-8

In a volunteer observer's own ground/4.1 mi away/1,150 ft/89 ft above here

precip, snowfall, snow depth

Rank-

CalmarCMRI4

At a cooperative observer's station/4.7 mi away/1,270 ft/209 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Decorah, drawn

The nearest airport reporting now, 11.6 mi from Spillville, Iowa. From its report of Oct 17, 2026, 8:35 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Decorah, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 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

The air

37.4 F with a dew point of 32.0 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Decorah: temperature 37.4 degrees Fahrenheit and dew point 32.0, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station; 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 1,200 FT ABOVE THE STATION, AT 30.8 FTEMPERATURE 37.4 FDEW POINT 32.0 FSPREAD 5.4 FRELATIVE HUMIDITY 81 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-002, FB-ENG-011, FB-ENG-005

The wind

At 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Decorah, north up: at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, 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 STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE 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 Spillville

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

Near Spillville

River and lake gauges