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Sioux Center, Iowa

City in Sioux County, Iowa

Air quality

The air at Sioux Center

Index 26, good, led by ozone. Read at 1 PM from its reporting area, Sioux City (IA), 39 miles off.

26Good
  • Ozone26Good-

The days ahead

Yesterday measured 19, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Sioux Center

0.17 in in the last 24 hours, 1.15 in over the last 3 days, to Fri 12 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.17in
Last 3 days
1.15in

Visibility

How far you can see at Sioux Center, the next 43 hours

Visibility stays 10 miles or more through Sun 7 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Sioux Center, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

MilnervilleBKTI4

At a river or reservoir gauge/33.3 mi away/1,224 ft/215 ft below here

temp, wind, gust, humidity, pressure

Rank195of 1,060

measured daily2 instruments

Sioux Center 0.3 ESEIA-SX-20

In a volunteer observer's own ground/0.2 mi away/1,426 ft/13 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Sioux County, drawn

The nearest airport reporting now, 6.0 mi from Sioux Center, Iowa. From its report of Oct 16, 2026, 1:15 PM local time: 3 of its 6 sheets.

The sky

Broken at 3,300 ft, broken at 3,900 ft; the ceiling is 3,300 ft; visibility 10 mi or more.

Section of the sky over Sioux County, height above the station to scale: broken cloud with its base at 3,300 feet, broken cloud with its base at 3,900 feet, the ceiling at 3,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SXKFIG. A THE SKY OVER SIOUX COUNTYSECTION, 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 SHEETBKN 3,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 3,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 3,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESioux County, the skySTATION REPORT · ASOS SXKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SXK-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 33.8 F, 57 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,300 ft up; the lowest cloud reported is at 3,300 ft.

Chart of the air at Sioux County: temperature 48.2 degrees Fahrenheit and dew point 33.8, 57 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,300 feet above the station, against the lowest cloud reported at 3,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SXKFIG. B THE AIR AT SIOUX COUNTYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00020 F30 F40 F50 F60 FSATURATES 3,300 FT ABOVE THE STATION, AT 30.7 FLOWEST CLOUD REPORTED, BKN 3,300 FTTEMPERATURE 48.2 FDEW POINT 33.8 FSPREAD 14.4 FRELATIVE HUMIDITY 57 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 County, the airSTATION REPORT · ASOS SXKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SXK-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 21 mph, gusting 28 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 43 mph.

Plan of the wind at Sioux County, north up: blowing from 340 degrees, the north northwest, at 21 miles an hour, gusting 28; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SXKFIG. C THE WIND AT SIOUX COUNTYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 21 MPH6STRONG BREEZE25GUST, 28 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESioux County, the windSTATION REPORT · ASOS SXKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SXK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Sioux Center 2 SE (SIXI4), 2.0 miles from here, read 15 Oct, 15:54. measured daily

Elsewhere in Iowa

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

Near Sioux Center

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

Near Sioux Center

River and lake gauges