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Treynor, Iowa

City in Pottawattamie County, Iowa

Air quality

The air at Treynor

Index 28, good, led by ozone. Read at 4 PM from its reporting area, Omaha (NE), 20 miles off.

28Good
  • Fine particles (PM2.5)24Good18.9 mi
  • Ozone28Good35 ppb18.2 mi
  • Coarse particles (PM10)12Good18.9 mi
  • Sulfur dioxide0Good0.1 ppb18.9 mi
  • Carbon monoxide-0.1 ppm18.9 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 22, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at Treynor

None in the last 24 hours; 0.88 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
0.88in

Visibility

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

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

FriSatSun

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

What is measuring near here

The 6 instruments nearest Treynor, 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

measured daily2 instruments

Mcclelland 0.3 NNEIA-PT-11

In a volunteer observer's own ground/7.8 mi away/1,237 ft/4 ft above here

precip, snowfall, snow depth

Rank-

UnderwoodUNDI4

At a cooperative observer's station/11.5 mi away/1,099 ft/134 ft below here

snowfall, snow depth, precip, high, low

Rank741of 1,060

Station report

The weather at Council Bluffs, drawn

The nearest airport reporting now, 8.0 mi from Treynor, Iowa. From its report of Oct 16, 2026, 4:35 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 Council Bluffs, 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 CBFFIG. A THE SKY OVER COUNCIL BLUFFSSECTION, 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 MORE0510TITLECouncil Bluffs, the skySTATION REPORT · ASOS CBFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CBF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

51.8 F with a dew point of 32.0 F, 47 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,500 ft up.

Chart of the air at Council Bluffs: temperature 51.8 degrees Fahrenheit and dew point 32.0, 47 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CBFFIG. B THE AIR AT COUNCIL BLUFFSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 F60 FSATURATES 4,500 FT ABOVE THE STATION, AT 27.9 FTEMPERATURE 51.8 FDEW POINT 32.0 FSPREAD 19.8 FRELATIVE HUMIDITY 47 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 POINTTITLECouncil Bluffs, the airSTATION REPORT · ASOS CBFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CBF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 15 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Council Bluffs, north up: blowing from 340 degrees, the north northwest, at 15 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CBFFIG. C THE WIND AT COUNCIL BLUFFSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECouncil Bluffs, the windSTATION REPORT · ASOS CBFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CBF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Underwood (UNDI4), 11.5 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 Treynor

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

Near Treynor

River and lake gauges