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Alvord, Iowa

City in Lyon County, Iowa

Air quality

The air at Alvord

Index 24, good, led by fine particles. Read at 7 AM from its reporting area, Sioux Falls (SD), 25 miles off.

24Good
  • Fine particles (PM2.5)24Good-
  • Ozone18Good-
  • Coarse particles (PM10)7Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Alvord

0.34 in in the last 24 hours, 0.67 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.34in
Last 3 days
0.67in

Visibility

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

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Alvord, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.5 miles away.

measured now3 instruments

SheldonSHL

At an airfield/25.3 mi away/1,418 ft/91 ft above here

temp, wind, gust, visibility, precip, pressure

Rank216of 1,060

measured daily2 instruments

Rock Rapids 5.6 WIA-LY-11

In a volunteer observer's own ground/5.5 mi away/1,415 ft/88 ft above here

precip, snowfall, snow depth

Rank-

Rock RapidsRKRI4

At a cooperative observer's station/8.6 mi away/1,378 ft/51 ft above here

snowfall, snow depth, precip, high, low

Rank902of 1,060

Station report

The weather at Sheldon, drawn

The nearest airport reporting now, 25.3 mi from Alvord, Iowa. From its report of Oct 16, 2026, 7:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,700 ft, overcast at 3,400 ft; the ceiling is 2,700 ft; visibility 10 mi or more.

Section of the sky over Sheldon, height above the station to scale: broken cloud with its base at 2,700 feet, overcast cloud with its base at 3,400 feet, the ceiling at 2,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SHLFIG. A THE SKY OVER SHELDONSECTION, 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 3,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESheldon, the skySTATION REPORT · ASOS SHLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SHL-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

42.8 F with a dew point of 42.8 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 2,700 ft.

Chart of the air at Sheldon: temperature 42.8 degrees Fahrenheit and dew point 42.8, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 2,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SHLFIG. B THE AIR AT SHELDONTHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, BKN 2,700 FTTEMPERATURE AND DEW POINT 42.8 F, 42.8 FRELATIVE HUMIDITY 100 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 POINTTITLESheldon, the airSTATION REPORT · ASOS SHLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SHL-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 29 mph, gusting 38 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 45 mph.

Plan of the wind at Sheldon, north up: blowing from 330 degrees, the north northwest, at 29 miles an hour, gusting 38; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SHLFIG. C THE WIND AT SHELDONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 29 MPH7NEAR GALE32GUST, 38 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESheldon, the windSTATION REPORT · ASOS SHLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SHL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Rock Rapids (RKRI4), 8.6 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Iowa

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

Near Alvord

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

Near Alvord

River and lake gauges