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Martelle, Iowa

City in Jones County, Iowa

Air quality

The air at Martelle

Index 12, good, led by fine particles. Read at 11 PM from its reporting area, Iowa City (IA), 27 miles off.

12Good
  • Fine particles (PM2.5)12Good17.1 mi
  • Ozone-15 ppb17.1 mi
  • Sulfur dioxide0Good0 ppb17.1 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 36, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Martelle

0.20 in in the last 24 hours, and none in the 2 days before, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.20in
Last 3 days
0.20in

Visibility

How far you can see at Martelle, the next 44 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Martelle, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.7 miles away.

measured now4 instruments

measured daily2 instruments

Martelle 2.7 ENEIA-JN-2

In a volunteer observer's own ground/2.7 mi away/846 ft/61 ft below here

precip, snowfall, snow depth

Rank-

Anamosa 3SSWAMOI4

At a cooperative observer's station/4.8 mi away/872 ft/35 ft below here

snowfall, snow depth, precip, high, low

Rank32of 1,060

Station report

The weather at Monticello Muni, drawn

The nearest airport reporting now, 17.2 mi from Martelle, Iowa. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 1,200 ft, broken at 3,100 ft, overcast at 4,000 ft; the ceiling is 3,100 ft; visibility 10 mi or more.

Section of the sky over Monticello Muni, height above the station to scale: scattered cloud with its base at 1,200 feet, broken cloud with its base at 3,100 feet, overcast cloud with its base at 4,000 feet, the ceiling at 3,100 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 3,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,200 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMonticello Muni, the skySTATION REPORT · ASOS MXOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-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 48.2 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,200 ft.

Chart of the air at Monticello Muni: temperature 50.0 degrees Fahrenheit and dew point 48.2, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 1,200 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 FSATURATES 400 FT ABOVE THE STATION, AT 47.8 FLOWEST CLOUD REPORTED, SCT 1,200 FTTEMPERATURE AND DEW POINT 50.0 F, 48.2 FRELATIVE HUMIDITY 93 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 6DATE2026-10-16IDSR-MXO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 17 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Monticello Muni, north up: blowing from 310 degrees, the northwest, at 17 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. C THE WIND AT MONTICELLO MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMonticello Muni, the windSTATION REPORT · ASOS MXOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MXO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Anamosa 3SSW (AMOI4), 4.8 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Iowa

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

Near Martelle

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

Near Martelle

River and lake gauges