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Red Oak, Iowa

City in Montgomery County, Iowa

Air quality

The air at Red Oak

Index 26, good, led by ozone. Read at 2 PM from its reporting area, Viking Lake State Park (IA), 10 miles off.

26Good
  • Fine particles (PM2.5)20Good9.5 mi
  • Ozone26Good32 ppb9.5 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 27, good.

Smoke, the next 41 hours

Little smoke near the ground through Mon 7 AM: the index from smoke stays at 6 or under.

SatSunMon

Precipitation

What has fallen at Red Oak

None in the last 24 hours; 0.70 in over the last 3 days, to Sat 2 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.70in

Visibility

How far you can see at Red Oak, the next 41 hours

Visibility stays 9 miles or more through Mon 7 AM, lowest 9 miles Mon 6 AM.

SatSunMon

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

What is measuring near here

The 6 instruments nearest Red Oak, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

Red OakRDK

At an airfield/2.0 mi away/1,040 ft/59 ft below here

temp, wind, gust, visibility, precip, pressure

Rank838of 1,055

measured daily2 instruments

Red Oak 0.2 WIA-MY-1

In a volunteer observer's own ground/0.3 mi away/1,033 ft/66 ft below here

precip, snowfall, snow depth

Rank-

Red OakROKI4

At a cooperative observer's station/1.0 mi away/1,073 ft/26 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Red Oak, drawn

The nearest airport reporting now, 2.0 mi from Red Oak, Iowa. From its report of Oct 17, 2026, 3:15 PM 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 Red Oak, 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 RDKFIG. A THE SKY OVER RED OAKSECTION, 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 MORE0510TITLERed Oak, the skySTATION REPORT · ASOS RDKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-RDK-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

59.0 F with a dew point of 32.0 F, 36 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,100 ft up.

Chart of the air at Red Oak: temperature 59.0 degrees Fahrenheit and dew point 32.0, 36 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RDKFIG. B THE AIR AT RED OAKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 F70 FSATURATES 6,100 FT ABOVE THE STATION, AT 26.4 FTEMPERATURE 59.0 FDEW POINT 32.0 FSPREAD 27.0 FRELATIVE HUMIDITY 36 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 POINTTITLERed Oak, the airSTATION REPORT · ASOS RDKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-RDK-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 15 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Red Oak, north up: blowing from 190 degrees, the south, at 15 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RDKFIG. C THE WIND AT RED OAKPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERed Oak, the windSTATION REPORT · ASOS RDKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-RDK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Red Oak, 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 Red Oak

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

Near Red Oak

River and lake gauges