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Monmouth, Iowa

City in Jackson County, Iowa

Air quality

The air at Monmouth

Index 11, good, led by ozone. Read at 11 PM from its reporting area, Clinton (IA), 39 miles off.

11Good
  • Fine particles (PM2.5)8Good-
  • Ozone11Good-

The days ahead

Yesterday measured 30, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Monmouth

0.30 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
0.30in
Last 3 days
0.30in

Visibility

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

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

FriSat

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

What is measuring near here

The 6 instruments nearest Monmouth, 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

Monmouth 0.5 NNEIA-JC-7

In a volunteer observer's own ground/0.2 mi away/801 ft/54 ft above here

precip, snowfall, snow depth

Rank-

LowdenLWDI4

At a cooperative observer's station/14.8 mi away/738 ft/9 ft below here

snowfall, snow depth, precip, high, low

Rank351of 1,060

Station report

The weather at Monticello Muni, drawn

The nearest airport reporting now, 17.4 mi from Monmouth, Iowa. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 5 sheets.

The sky

Overcast at 1,400 ft; the ceiling is 1,400 ft; visibility 10 mi or more.

Section of the sky over Monticello Muni, height above the station to scale: overcast cloud with its base at 1,400 feet, the ceiling at 1,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. A THE SKY OVER MONTICELLO MUNISECTION, 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 SHEETOVC 1,400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMonticello Muni, the skySTATION REPORT · ASOS MXOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-MXO-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 50.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 1,400 ft.

Chart of the air at Monticello Muni: temperature 50.0 degrees Fahrenheit and dew point 50.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 1,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. B THE AIR AT MONTICELLO MUNITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 1,400 FTTEMPERATURE AND DEW POINT 50.0 F, 50.0 FRELATIVE HUMIDITY 100 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 POINTTITLEMonticello Muni, the airSTATION REPORT · ASOS MXOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-MXO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 835 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.03 inHg and the temperature at 56.0 F; the station's altimeter setting of 29.96 inHg means its barometer reads 29.07 inHg; it reports 50.0 F, 6.0 F colder than standard.

Section from sea level of where Monticello Muni stands in the atmosphere, height to scale: the station 835 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.03 inches of mercury, and temperature, 56.0 degrees Fahrenheit; the altimeter setting of 29.96 and the station pressure it means, 29.07.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. D WHERE MONTICELLO MUNI 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 ATMOSPHEREMONTICELLO MUNI3 PER CENT OF THE AIR BELOW IT835 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 HERE29.03 inHgSTANDARD TEMPERATURE HERE56.0 FALTIMETER SETTING, REPORTED29.96 inHgITS BAROMETER READS29.07 inHgTEMPERATURE, REPORTED50.0 FTITLEMonticello Muni, the columnSTATION REPORT · ASOS MXOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-MXO-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Monticello Muni, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Lowden (LWDI4), 14.8 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in Iowa

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

Near Monmouth

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

Near Monmouth

River and lake gauges