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Clarksville, Iowa

City in Butler County, Iowa

Air quality

The air at Clarksville

Index 43, good, led by fine particles. Read at 12 AM from its reporting area, Waterloo (IA), 24 miles off.

43Good
  • Fine particles (PM2.5)43Good-
  • Ozone-14 ppb8.4 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 31, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Clarksville

1.10 in in the last 24 hours, 1.15 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
1.10in
Last 3 days
1.15in

Visibility

How far you can see at Clarksville, the next 43 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 5 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Clarksville, 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 now3 instruments

measured daily2 instruments

Clarksville 0.2 WNWIA-BU-6

In a volunteer observer's own ground/0.2 mi away/925 ft/14 ft below here

precip, snowfall, snow depth

Rank-

AllisonASNI4

At a cooperative observer's station/6.2 mi away/1,047 ft/108 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Charles City, drawn

The nearest airport reporting now, 20.2 mi from Clarksville, Iowa. From its report of Oct 16, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Charles City, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCYFIG. A THE SKY OVER CHARLES CITYSECTION, 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 DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLECharles City, the skySTATION REPORT · ASOS CCYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CCY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.8 F with a dew point of 41.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Charles City: temperature 42.8 degrees Fahrenheit and dew point 41.0, 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; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCYFIG. B THE AIR AT CHARLES CITYTHE 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 FSATURATES 400 FT ABOVE THE STATION, AT 40.6 FTEMPERATURE AND DEW POINT 42.8 F, 41.0 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 POINTTITLECharles City, the airSTATION REPORT · ASOS CCYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CCY-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 9 mph, gusting 18 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Charles City, north up: blowing from 290 degrees, the west northwest, at 9 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCYFIG. C THE WIND AT CHARLES CITYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE13GUST, 18 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECharles City, the windSTATION REPORT · ASOS CCYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CCY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Allison (ASNI4), 6.2 miles from here, read 9 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Clarksville

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

Near Clarksville

River and lake gauges