Storm Station
Sign in

Doon, Iowa

City in Lyon County, Iowa

Air quality

The air at Doon

Index 16, good, led by ozone. Read at 4 AM from its reporting area, Sioux Falls (SD), 30 miles off.

16Good
  • Fine particles (PM2.5)14Good-
  • Ozone16Good-
  • Coarse particles (PM10)12Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Doon

0.63 in in the last 24 hours, 0.74 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.63in
Last 3 days
0.74in

Visibility

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

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Doon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.5 miles away.

measured now3 instruments

measured daily2 instruments

Rock Valley 0.4 WSWIA-SX-19

In a volunteer observer's own ground/6.5 mi away/1,249 ft/69 ft below here

precip, snowfall, snow depth

Rank-

Rock ValleyRKVI4

At a cooperative observer's station/6.5 mi away/1,257 ft/61 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sioux County, drawn

The nearest airport reporting now, 20.3 mi from Doon, Iowa. From its report of Oct 16, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,900 ft; the ceiling is 2,900 ft; visibility 10 mi or more.

Section of the sky over Sioux County, height above the station to scale: overcast cloud with its base at 2,900 feet, the ceiling at 2,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SXKFIG. A THE SKY OVER SIOUX COUNTYSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESioux County, the skySTATION REPORT · ASOS SXKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SXK-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

44.6 F with a dew point of 41.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 2,900 ft.

Chart of the air at Sioux County: temperature 44.6 degrees Fahrenheit and dew point 41.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 2,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SXKFIG. B THE AIR AT SIOUX COUNTYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 800 FT ABOVE THE STATION, AT 40.2 FLOWEST CLOUD REPORTED, OVC 2,900 FTTEMPERATURE 44.6 FDEW POINT 41.0 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLESioux County, the airSTATION REPORT · ASOS SXKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SXK-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 21 mph, gusting 37 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Sioux County, north up: blowing from 330 degrees, the north northwest, at 21 miles an hour, gusting 37; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SXKFIG. C THE WIND AT SIOUX COUNTYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 21 MPH6STRONG BREEZE257NEAR GALE32GUST, 37 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESioux County, the windSTATION REPORT · ASOS SXKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SXK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Iowa

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

Near Doon

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

Near Doon

River and lake gauges