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Winthrop, Iowa

City in Buchanan County, Iowa

Air quality

The air at Winthrop

Index 42, good, led by fine particles. Read at 10 PM from its reporting area, Waterloo (IA), 34 miles off.

42Good
  • Fine particles (PM2.5)42Good-
  • Ozone-14 ppb16.7 mi

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 31, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Winthrop

1.05 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
1.05in
Last 3 days
1.05in

Visibility

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

Visibility stays 6 miles or more through Sat 7 PM, lowest 7 miles Fri 3 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Winthrop, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

IndependenceIIB

At an airfield/11.1 mi away/965 ft/85 ft below here

temp, wind, gust, visibility, precip, pressure

Rank2of 1,060

measured daily2 instruments

Independence 5.4 ESEIA-BC-4

In a volunteer observer's own ground/4.4 mi away/915 ft/135 ft below here

precip, snowfall, snow depth

Rank-

Stanley 4 WSNYI4

At a cooperative observer's station/12.4 mi away/1,129 ft/79 ft above here

snowfall, snow depth, precip, high, low

Rank894of 1,060

Station report

The weather at Independence, drawn

The nearest airport reporting now, 11.1 mi from Winthrop, Iowa. From its report of Oct 15, 2026, 11:15 PM local time: 3 of its 6 sheets.

The sky

Scattered at 2,500 ft, broken at 3,300 ft, overcast at 4,600 ft; the ceiling is 3,300 ft; visibility 10 mi or more.

Section of the sky over Independence, height above the station to scale: scattered cloud with its base at 2,500 feet, broken cloud with its base at 3,300 feet, overcast cloud with its base at 4,600 feet, the ceiling at 3,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IIBFIG. A THE SKY OVER INDEPENDENCESECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,600 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 3,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEIndependence, the skySTATION REPORT · ASOS IIBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-IIB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

50.0 F with a dew point of 45.3 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up; the lowest cloud reported is at 2,500 ft.

Chart of the air at Independence: temperature 50.0 degrees Fahrenheit and dew point 45.3, 84 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station, against the lowest cloud reported at 2,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IIBFIG. B THE AIR AT INDEPENDENCETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 1,100 FT ABOVE THE STATION, AT 44.2 FLOWEST CLOUD REPORTED, SCT 2,500 FTTEMPERATURE 50.0 FDEW POINT 45.3 FSPREAD 4.7 FRELATIVE HUMIDITY 84 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 POINTTITLEIndependence, the airSTATION REPORT · ASOS IIBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-IIB-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, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Independence, north up: blowing from 300 degrees, the west northwest, at 17 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IIBFIG. C THE WIND AT INDEPENDENCEPLAN, 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 BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEIndependence, the windSTATION REPORT · ASOS IIBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-IIB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Stanley 4 W (SNYI4), 12.4 miles from here, read 14 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Winthrop

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

Near Winthrop

River and lake gauges