Storm Station
Riverton, Illinois
65°
Overcast· Feels like 65°·Light air 3 mph NNE
Mostly cloudy, with a low around 56. East wind around 3 mph.
-UV
-Air quality
63%Humidity
78%Cloud

What is measuring near here

The 4 instruments nearest Riverton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now2 instruments

SpringfieldSPI

At an airfield/7.6 mi away/594 ft/12 ft above here

temp, wind, gust, visibility, precip, pressure

Rank13of 417

Mason #1 ScanMASI2

At a river or reservoir gauge/37.4 mi away/570 ft/12 ft below here

temp, wind, gust, humidity, pressure

Rank415of 417

measured daily2 instruments

Spaulding 0.7 NWIL-SG-82

In a volunteer observer's own ground/1.6 mi away/622 ft/40 ft above here

precip, snowfall, snow depth

Rank-

ShermanSHRI2

At a cooperative observer's station/4.1 mi away/577 ft/5 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Springfield, drawn

The nearest airport reporting now, 7.6 mi from Riverton. From its report of Sep 27, 2026, 2:52 AM local time: 3 of its 6 sheets.

The sky

Broken at 9,000 ft; the ceiling is 9,000 ft; visibility 10 mi or more.

Section of the sky over Springfield, height above the station to scale: broken cloud with its base at 9,000 feet, the ceiling at 9,000 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 9,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 9,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESpringfield, the skySTATION REPORT · ASOS SPITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SPI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

60.0 F with a dew point of 57.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 9,000 ft.

Chart of the air at Springfield: temperature 60.0 degrees Fahrenheit and dew point 57.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 9,000 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 STATION01,0002,0003,0004,0005,00050 F60 F70 FSATURATES 700 FT ABOVE THE STATION, AT 56.2 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 9,000 FTTEMPERATURE 60.0 FDEW POINT 57.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 6DATE2026-09-27IDSR-SPI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Springfield, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESpringfield, the windSTATION REPORT · ASOS SPITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

0in

Snow on the ground

Measured at Sherman (SHRI2), 4.1 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Illinois

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

Near Riverton

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