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Chester, Iowa

City in Howard County, Iowa

Air quality

The air at Chester

Index 22, good, led by fine particles. Read at 2 AM from its reporting area, Rochester Area (MN), 35 miles off.

22Good
  • Fine particles (PM2.5)22Good-
  • Ozone15Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 19, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Chester

0.78 in in the last 24 hours, 0.86 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.78in
Last 3 days
0.86in

Visibility

How far you can see at Chester, the next 41 hours

Visibility stays 4 miles or more through Sat 7 PM, lowest 4 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Chester, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now3 instruments

SaratogaSRGI4

Beside a road/10.0 mi away/1,357 ft/116 ft above here

temp, pavement temp, wind, visibility, precip

Rank895of 1,060

measured daily2 instruments

Lime Springs 1.5 NIA-HW-2

In a volunteer observer's own ground/4.1 mi away/1,221 ft/20 ft below here

precip, snowfall, snow depth

Rank-

ElmaELMI4

At a cooperative observer's station/17.7 mi away/1,175 ft/66 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Charles City, drawn

The nearest airport reporting now, 31.6 mi from Chester, Iowa. From its report of Oct 16, 2026, 2:55 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,500 ft, broken at 2,300 ft, overcast at 3,600 ft; the ceiling is 1,500 ft; visibility 10 mi or more.

Section of the sky over Charles City, height above the station to scale: broken cloud with its base at 1,500 feet, broken cloud with its base at 2,300 feet, overcast cloud with its base at 3,600 feet, the ceiling at 1,500 feet, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,600 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,500 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, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.4 F with a dew point of 44.6 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 1,500 ft.

Chart of the air at Charles City: temperature 46.4 degrees Fahrenheit and dew point 44.6, 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 1,500 feet; 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 F60 FSATURATES 400 FT ABOVE THE STATION, AT 44.2 FLOWEST CLOUD REPORTED, BKN 1,500 FTTEMPERATURE AND DEW POINT 46.4 F, 44.6 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 (300 degrees) at 13 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Charles City, north up: blowing from 300 degrees, the west northwest, at 13 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG 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 Elma (ELMI4), 17.7 miles from here, read 13 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Chester

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

Near Chester

River and lake gauges