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Alden, Iowa

City in Hardin County, Iowa

Air quality

The air at Alden

Index 28, good, led by fine particles. Read at 11 AM from its reporting area, Waterloo (IA), 50 miles off.

28Good
  • Fine particles (PM2.5)28Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 21, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Alden

0.75 in in the last 24 hours, 1.10 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.75in
Last 3 days
1.10in

Visibility

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

Visibility stays 7 miles or more through Sun 7 AM, lowest 8 miles Sat 12 AM.

FriSatSun

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

What is measuring near here

The 7 instruments nearest Alden, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.6 miles away.

measured now5 instruments

Iowa FallsIFA

At an airfield/6.6 mi away/1,137 ft/17 ft below here

temp, wind, gust, visibility, precip, pressure

Rank188of 1,060

Ames ScanAMMI4

At a river or reservoir gauge/39.1 mi away/1,073 ft/81 ft below here

temp, wind, gust, humidity, pressure

Rank720of 1,060

AmesS2031

At a soil climate station/39.8 mi away/1,073 ft/81 ft below here

temp, humidity, soil temp, soil moisture

Rank748of 1,060

measured daily2 instruments

Iowa Falls 0.2 NNWIA-HD-4

In a volunteer observer's own ground/5.6 mi away/1,132 ft/22 ft below here

precip, snowfall, snow depth

Rank-

Iowa FallsIWAI4

At a cooperative observer's station/5.7 mi away/1,132 ft/22 ft below here

snowfall, snow depth, precip, high, low

Rank78of 1,060

Station report

The weather at Iowa Falls, drawn

The nearest airport reporting now, 6.6 mi from Alden, Iowa. From its report of Oct 16, 2026, 11:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,400 ft, broken at 2,200 ft, overcast at 3,600 ft; the ceiling is 2,200 ft; visibility 10 mi or more.

Section of the sky over Iowa Falls, height above the station to scale: scattered cloud with its base at 1,400 feet, broken cloud with its base at 2,200 feet, overcast cloud with its base at 3,600 feet, the ceiling at 2,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IFAFIG. A THE SKY OVER IOWA FALLSSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,600 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,200 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,400 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEIowa Falls, the skySTATION REPORT · ASOS IFATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-IFA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

48.2 F with a dew point of 42.3 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 1,400 ft.

Chart of the air at Iowa Falls: temperature 48.2 degrees Fahrenheit and dew point 42.3, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station, against the lowest cloud reported at 1,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IFAFIG. B THE AIR AT IOWA FALLSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,400 FT ABOVE THE STATION, AT 40.9 FLOWEST CLOUD REPORTED, SCT 1,400 FTTEMPERATURE 48.2 FDEW POINT 42.3 FSPREAD 5.9 FRELATIVE HUMIDITY 80 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 POINTTITLEIowa Falls, the airSTATION REPORT · ASOS IFATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-IFA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 25 mph, gusting 33 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 41 mph.

Plan of the wind at Iowa Falls, north up: blowing from 340 degrees, the north northwest, at 25 miles an hour, gusting 33; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IFAFIG. C THE WIND AT IOWA FALLSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 25 MPH7NEAR GALE32GUST, 33 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEIowa Falls, the windSTATION REPORT · ASOS IFATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-IFA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Iowa Falls, 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 Alden

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

Near Alden

River and lake gauges