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Ferguson, Iowa

City in Marshall County, Iowa

Air quality

The air at Ferguson

Index 30, good, led by fine particles. Read at 7 AM from its reporting area, Waterloo (IA), 45 miles off.

30Good
  • Fine particles (PM2.5)30Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 21, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Ferguson

0.38 in in the last 24 hours, 0.49 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.38in
Last 3 days
0.49in

Visibility

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

Visibility stays 6 miles or more through Sun 1 AM, lowest 7 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Ferguson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.1 miles away.

measured now5 instruments

MarshalltownMIW

At an airfield/12.2 mi away/974 ft/39 ft above here

temp, wind, gust, visibility, precip, pressure

Rank8of 1,060

measured daily2 instruments

Marshalltown 4.1 SSEIA-MS-6

In a volunteer observer's own ground/3.1 mi away/934 ft/1 ft below here

precip, snowfall, snow depth

Rank-

MarshalltownMSHI4

At a cooperative observer's station/9.6 mi away/899 ft/36 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Marshalltown, drawn

The nearest airport reporting now, 12.2 mi from Ferguson, Iowa. From its report of Oct 16, 2026, 7:07 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,300 ft; the ceiling is 1,300 ft; visibility 8 mi.

Section of the sky over Marshalltown, height above the station to scale: overcast cloud with its base at 1,300 feet, the ceiling at 1,300 feet, and visibility of 8 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MIWFIG. A THE SKY OVER MARSHALLTOWNSECTION, 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 SHEETOVC 1,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 8 MI0510TITLEMarshalltown, the skySTATION REPORT · ASOS MIWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MIW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

45.0 F with a dew point of 43.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at Marshalltown: temperature 45.0 degrees Fahrenheit and dew point 43.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MIWFIG. B THE AIR AT MARSHALLTOWNTHE 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 500 FT ABOVE THE STATION, AT 42.5 FLOWEST CLOUD REPORTED, OVC 1,300 FTTEMPERATURE AND DEW POINT 45.0 F, 43.0 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 POINTTITLEMarshalltown, the airSTATION REPORT · ASOS MIWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MIW-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 17 mph, gusting 30 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Marshalltown, north up: blowing from 300 degrees, the west northwest, at 17 miles an hour, gusting 30; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MIWFIG. C THE WIND AT MARSHALLTOWNPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 30 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMarshalltown, the windSTATION REPORT · ASOS MIWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MIW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Marshalltown, 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 Ferguson

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

Near Ferguson

River and lake gauges