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Keosauqua, Iowa

City in Van Buren County, Iowa

Air quality

The air at Keosauqua

Index 25, good, led by fine particles. Read at 1 AM from its reporting area, Lake Sugema (IA), 4 miles off.

25Good
  • Fine particles (PM2.5)25Good3.5 mi
  • Ozone16Good-
  • Nitrogen dioxide0Good0.6 ppb3.5 mi
  • Sulfur dioxide0Good0 ppb3.5 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 Keosauqua

0.15 in in the last 24 hours, 0.20 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.15in
Last 3 days
0.20in

Visibility

How far you can see at Keosauqua, 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 Keosauqua, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Keosauqua, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

CantrilRCLI4

Beside a road/7.3 mi away/693 ft/79 ft above here

temp, pavement temp, wind, visibility, precip

Rank851of 1,060

FairfieldFFL

At an airfield/22.0 mi away/795 ft/181 ft above here

temp, wind, gust, visibility, precip, pressure

Rank11of 1,060

measured daily2 instruments

KeosauquaKEQI4

At a cooperative observer's station/1.0 mi away/541 ft/73 ft below here

snowfall, snow depth, precip, high, low

Rank-

Bonaparte 0.2 SIA-VB-5

In a volunteer observer's own ground/8.9 mi away/562 ft/52 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Fairfield, drawn

The nearest airport reporting now, 22.0 mi from Keosauqua, Iowa. From its report of Oct 16, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

No cloud reported; visibility 10 mi or more.

Section of the sky over Fairfield, height above the station to scale: no cloud reported, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FFLFIG. A THE SKY OVER FAIRFIELDSECTION, 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 SHEETNO CLOUD REPORTEDVISIBILITY, MILES: 10 MI OR MORE0510TITLEFairfield, the skySTATION REPORT · ASOS FFLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FFL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.2 F with a dew point of 44.6 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up.

Chart of the air at Fairfield: temperature 48.2 degrees Fahrenheit and dew point 44.6, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FFLFIG. B THE AIR AT FAIRFIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 800 FT ABOVE THE STATION, AT 43.8 FTEMPERATURE 48.2 FDEW POINT 44.6 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLEFairfield, the airSTATION REPORT · ASOS FFLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FFL-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 13 mph, gusting 18 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Fairfield, north up: blowing from 300 degrees, the west northwest, at 13 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FFLFIG. C THE WIND AT FAIRFIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFairfield, the windSTATION REPORT · ASOS FFLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FFL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Keosauqua (KEQI4), 1.0 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 Keosauqua

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

Near Keosauqua

River and lake gauges