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Bonaparte, Iowa

City in Van Buren County, Iowa

Air quality

The air at Bonaparte

Index 25, good, led by fine particles. Read at 1 AM from its reporting area, Lake Sugema (IA), 11 miles off.

25Good
  • Fine particles (PM2.5)25Good10.8 mi
  • Ozone16Good-
  • Nitrogen dioxide0Good0.6 ppb10.8 mi
  • Sulfur dioxide0Good0 ppb10.8 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 28, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Bonaparte

0.19 in in the last 24 hours, 0.53 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.19in
Last 3 days
0.53in

Visibility

How far you can see at Bonaparte, the next 42 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Bonaparte, 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

CantrilRCLI4

Beside a road/14.1 mi away/693 ft/119 ft above here

temp, pavement temp, wind, visibility, precip

Rank851of 1,060

measured daily2 instruments

Bonaparte 0.2 SIA-VB-5

In a volunteer observer's own ground/0.2 mi away/562 ft/12 ft below here

precip, snowfall, snow depth

Rank-

KeosauquaKEQI4

At a cooperative observer's station/9.0 mi away/541 ft/33 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mount Pleasant, drawn

The nearest airport reporting now, 22.6 mi from Bonaparte, Iowa. From its report of Oct 16, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 6,000 ft; visibility 10 mi or more.

Section of the sky over Mount Pleasant, height above the station to scale: scattered cloud with its base at 6,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MPZFIG. A THE SKY OVER MOUNT PLEASANTSECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETSCT 6,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEMount Pleasant, the skySTATION REPORT · ASOS MPZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MPZ-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 37.4 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Mount Pleasant: temperature 50.0 degrees Fahrenheit and dew point 37.4, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station, against the lowest cloud reported at 6,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MPZFIG. B THE AIR AT MOUNT PLEASANTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 FSATURATES 2,900 FT ABOVE THE STATION, AT 34.7 FLOWEST CLOUD REPORTED, SCT 6,000 FTTEMPERATURE 50.0 FDEW POINT 37.4 FSPREAD 12.6 FRELATIVE HUMIDITY 62 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 POINTTITLEMount Pleasant, the airSTATION REPORT · ASOS MPZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MPZ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 16 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Mount Pleasant, north up: blowing from 310 degrees, the northwest, at 16 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 MPZFIG. C THE WIND AT MOUNT PLEASANTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMount Pleasant, the windSTATION REPORT · ASOS MPZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MPZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Keosauqua (KEQI4), 9.0 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Bonaparte

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

Near Bonaparte

River and lake gauges