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Thayer, Iowa

City in Union County, Iowa

Air quality

The air at Thayer

Index 28, good, led by fine particles. Read at 2 AM from its reporting area, Des Moines (IA), 40 miles off.

28Good
  • Fine particles (PM2.5)28Good-
  • Ozone18Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 17, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Thayer

0.32 in in the last 24 hours, 0.33 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.32in
Last 3 days
0.33in

Visibility

How far you can see at Thayer, the next 41 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Thayer, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.8 miles away.

measured now4 instruments

CrestonCSQ

At an airfield/16.2 mi away/1,290 ft/166 ft above here

temp, wind, gust, visibility, precip, pressure

Rank650of 1,060

measured daily2 instruments

Murray 1.7 WIA-CL-4

In a volunteer observer's own ground/3.8 mi away/1,220 ft/96 ft above here

precip, snowfall, snow depth

Rank126of 1,060

LorimorLORI4

At a cooperative observer's station/6.0 mi away/1,211 ft/87 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Creston, drawn

The nearest airport reporting now, 16.2 mi from Thayer, Iowa. From its report of Oct 16, 2026, 2:55 AM local time: 3 of its 6 sheets.

The sky

Broken at 4,100 ft; the ceiling is 4,100 ft; visibility 10 mi or more.

Section of the sky over Creston, height above the station to scale: broken cloud with its base at 4,100 feet, the ceiling at 4,100 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 SHEETBKN 4,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 4,100 FTVISIBILITY, 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

44.6 F with a dew point of 39.2 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 4,100 ft.

Chart of the air at Creston: temperature 44.6 degrees Fahrenheit and dew point 39.2, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 4,100 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 1,200 FT ABOVE THE STATION, AT 38.0 FLOWEST CLOUD REPORTED, BKN 4,100 FTTEMPERATURE 44.6 FDEW POINT 39.2 FSPREAD 5.4 FRELATIVE HUMIDITY 81 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 (310 degrees) at 15 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Creston, north up: blowing from 310 degrees, the northwest, 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 CSQFIG. C THE WIND AT CRESTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR 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 Thayer

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

Near Thayer

River and lake gauges