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Onawa, Iowa

City in Monona County, Iowa

Air quality

The air at Onawa

Index 28, good, led by ozone. Read at 5 PM from its reporting area, Pisgah (IA), 16 miles off.

28Good
  • Ozone28Good32 ppb16.3 mi

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 20, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at Onawa

None in the last 24 hours; 1.00 in over the last 3 days, to Fri 4 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.00in

Visibility

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

Visibility stays 8 miles or more through Sun 1 PM, lowest 9 miles Sat 8 AM.

FriSatSun

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

What is measuring near here

The 7 instruments nearest Onawa, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.9 miles away.

measured now5 instruments

Sloan I-29RSOI4

Beside a road/12.1 mi away/1,053 ft/2 ft above here

temp, pavement temp, wind, visibility, precip

Rank851of 1,060

Sioux CitySUX

At an airfield/29.1 mi away/1,102 ft/51 ft above here

temp, wind, gust, visibility, precip, pressure

Rank350of 1,060

measured daily2 instruments

Blencoe 0.9 NNWIA-MN-2

In a volunteer observer's own ground/5.9 mi away/1,044 ft/7 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Sioux City, drawn

The nearest airport reporting now, 29.1 mi from Onawa, Iowa. From its report of Oct 16, 2026, 4:52 PM 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 Sioux City, 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 SUXFIG. A THE SKY OVER SIOUX CITYSECTION, 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 MORE0510TITLESioux City, the skySTATION REPORT · ASOS SUXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SUX-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

55.0 F with a dew point of 26.0 F, 32 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,500 ft up.

Chart of the air at Sioux City: temperature 55.0 degrees Fahrenheit and dew point 26.0, 32 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SUXFIG. B THE AIR AT SIOUX CITYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010 F20 F30 F40 F50 F60 F70 FSATURATES 6,500 FT ABOVE THE STATION, AT 20.1 FTEMPERATURE 55.0 FDEW POINT 26.0 FSPREAD 29.0 FRELATIVE HUMIDITY 32 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 POINTTITLESioux City, the airSTATION REPORT · ASOS SUXTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SUX-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 15 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 43 mph.

Plan of the wind at Sioux City, north up: blowing from 360 degrees, the north, at 15 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 SUXFIG. C THE WIND AT SIOUX CITYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESioux City, the windSTATION REPORT · ASOS SUXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SUX-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Little Sioux 2 NW (LSXI4), 15.0 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Onawa

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

Near Onawa

River and lake gauges