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Thayer, Illinois

Village in Sangamon County, Illinois

Air quality

The air at Thayer

Index 13, good, led by ozone. Read at 12 AM from its reporting area, Springfield (IL), 20 miles off.

13Good
  • Ozone13Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 29, good.

Smoke, the next 44 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Thayer

0.05 in in the last 24 hours, 0.79 in over the last 3 days, to Fri 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.05in
Last 3 days
0.79in

Visibility

How far you can see at Thayer, the next 44 hours

Visibility stays 8 miles or more through Sun 7 PM, lowest 9 miles Sat 8 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Thayer, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.8 miles away.

measured now3 instruments

measured daily2 instruments

Station report

The weather at Springfield, drawn

The nearest airport reporting now, 21.5 mi from Thayer, Illinois. From its report of Oct 16, 2026, 11:52 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 6,000 ft; visibility 10 mi or more.

Section of the sky over Springfield, height above the station to scale: a few clouds cloud with its base at 6,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPIFIG. A THE SKY OVER SPRINGFIELDSECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 6,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLESpringfield, the skySTATION REPORT · ASOS SPITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-SPI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

48.0 F with a dew point of 41.0 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Springfield: temperature 48.0 degrees Fahrenheit and dew point 41.0, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 6,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPIFIG. B THE AIR AT SPRINGFIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00030 F40 F50 F60 FSATURATES 1,600 FT ABOVE THE STATION, AT 39.4 FLOWEST CLOUD REPORTED, FEW 6,000 FTTEMPERATURE 48.0 FDEW POINT 41.0 FSPREAD 7.0 FRELATIVE HUMIDITY 77 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 POINTTITLESpringfield, the airSTATION REPORT · ASOS SPITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-SPI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Springfield, north up: blowing from 330 degrees, the north northwest, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPIFIG. C THE WIND AT SPRINGFIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESpringfield, the windSTATION REPORT · ASOS SPITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-SPI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Illinois

23 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