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Afton, Iowa

City in Union County, Iowa

Air quality

The air at Afton

Index 27, good, led by fine particles. Read at 10 PM from its reporting area, Viking Lake State Park (IA), 44 miles off.

27Good
  • Fine particles (PM2.5)27Good-
  • Ozone18Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 34, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Afton

0.28 in in the last 24 hours, and none in the 2 days before, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.28in
Last 3 days
0.28in

Visibility

How far you can see at Afton, the next 46 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Afton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.0 miles away.

measured now4 instruments

CrestonCSQ

At an airfield/8.6 mi away/1,290 ft/65 ft above here

temp, wind, gust, visibility, precip, pressure

Rank650of 1,060

measured daily2 instruments

Creston 0.2 SWIA-UN-4

In a volunteer observer's own ground/9.1 mi away/1,311 ft/86 ft above here

precip, snowfall, snow depth

Rank-

LorimorLORI4

At a cooperative observer's station/9.8 mi away/1,211 ft/14 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Creston, drawn

The nearest airport reporting now, 8.6 mi from Afton, Iowa. From its report of Oct 15, 2026, 10:15 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,200 ft; visibility 10 mi or more.

Section of the sky over Creston, height above the station to scale: a few clouds cloud with its base at 4,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CSQFIG. A THE SKY OVER CRESTONSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 4,200 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLECreston, the skySTATION REPORT · ASOS CSQTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CSQ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

48.2 F with a dew point of 41.0 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 4,200 ft.

Chart of the air at Creston: temperature 48.2 degrees Fahrenheit and dew point 41.0, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 4,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CSQFIG. B THE AIR AT CRESTONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00030 F40 F50 F60 FSATURATES 1,700 FT ABOVE THE STATION, AT 39.4 FLOWEST CLOUD REPORTED, FEW 4,200 FTTEMPERATURE 48.2 FDEW POINT 41.0 FSPREAD 7.2 FRELATIVE HUMIDITY 76 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 POINTTITLECreston, the airSTATION REPORT · ASOS CSQTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CSQ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 18 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 40 mph.

Plan of the wind at Creston, north up: blowing from 320 degrees, the northwest, at 18 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 CSQFIG. C THE WIND AT CRESTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 18 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECreston, the windSTATION REPORT · ASOS CSQTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CSQ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Iowa

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

Near Afton

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

Near Afton

River and lake gauges