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Marion, Iowa

City in Linn County, Iowa

Air quality

The air at Marion

Index 20, good, led by fine particles. Read at 4 AM from its reporting area, Iowa City (IA), 26 miles off.

20Good
  • Fine particles (PM2.5)20Good6.7 mi
  • Ozone-14 ppb6.7 mi
  • Sulfur dioxide0Good0.1 ppb6.7 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 26, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Marion

0.31 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.31in
Last 3 days
0.31in

Visibility

How far you can see at Marion, the next 46 hours

Visibility stays 7 miles or more through Sun 1 AM, lowest 8 miles Sat 8 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Marion, 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

measured daily2 instruments

Station report

The weather at Citizen station AC0YE, drawn

The nearest instrument reporting now, 0.4 mi from Marion, Iowa. From its report of undefined: 3 of its 4 sheets.

The wind

From the west northwest (293 degrees) at 3 mph, gusting 8 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station AC0YE, north up: blowing from 293 degrees, the west northwest, at 3 miles an hour, gusting 8; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AC0YEFIG. C THE WIND AT CITIZEN STATION AC0YEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 293°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE8GUST, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station AC0YE, the windSTATION REPORT · CWOP AC0YETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-AC0YE-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 854 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.01 inHg and the temperature at 56.0 F; the station's altimeter setting of 30.10 inHg means its barometer reads 29.18 inHg; it reports 47.0 F, 9.0 F colder than standard.

Section from sea level of where Citizen station AC0YE stands in the atmosphere, height to scale: the station 854 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.01 inches of mercury, and temperature, 56.0 degrees Fahrenheit; the altimeter setting of 30.10 and the station pressure it means, 29.18.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AC0YEFIG. D WHERE CITIZEN STATION AC0YE STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION AC0YE3 PER CENT OF THE AIR BELOW IT854 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.01 inHgSTANDARD TEMPERATURE HERE56.0 FALTIMETER SETTING, REPORTED30.10 inHgITS BAROMETER READS29.18 inHgTEMPERATURE, REPORTED47.0 FTITLECitizen station AC0YE, the columnSTATION REPORT · CWOP AC0YETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-AC0YE-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 39 degrees above the horizon at 42.04 N, and the day is 10 h 54 min long. Level ground there takes 63 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station AC0YE, angles true: on Oct 16 it stands 39 degrees above the horizon, against 71 at the June solstice, 48 at the equinoxes and 25 at the December solstice; the day is 10 h 54 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AC0YEFIG. E THE SUN AT CITIZEN STATION AC0YEELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 71°EQUINOXES 48°DECEMBER SOLSTICE 25°OCT 16, 39°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 54 MINLEVEL GROUND TAKES 63 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 42.04 N; THE SUN'S DECLINATION -9.1°TITLECitizen station AC0YE, the sunSTATION REPORT · CWOP AC0YETYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-AC0YE-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station AC0YE, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Cedar Rapids No 1 (CRPI4), 0.6 miles from here, read 15 Oct, 17:00. measured daily

Elsewhere in Iowa

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

Near Marion

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

Near Marion

River and lake gauges