Storm Station
Sign in

Alvan (Alvin), Illinois

Village in Vermilion County, Illinois

Air quality

The air at Alvan (Alvin)

Index 15, good, led by ozone. Read at 4 AM from its reporting area, Champaign (IL), 37 miles off.

15Good
  • Fine particles (PM2.5)11Good-
  • Ozone15Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 42, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Alvan (Alvin)

0.38 in in the last 24 hours, 0.68 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.38in
Last 3 days
0.68in

Visibility

How far you can see at Alvan (Alvin), the next 46 hours

Mist or haze: visibility falls to 2 miles Fri 6 PM.

FriSat

On the radar over Alvan (Alvin), IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Alvan (Alvin), how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.4 miles away.

measured now3 instruments

DanvilleDNV

At an airfield/7.5 mi away/696 ft/37 ft above here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

HoopestonHOPI2

At a cooperative observer's station/11.8 mi away/751 ft/92 ft above here

snowfall, snow depth, precip, high, low

Rank1,021of 1,393

Station report

The weather at Citizen station CW7268, drawn

The nearest instrument reporting now, 17.1 mi from Alvan (Alvin), Illinois. From its report of undefined: 3 of its 4 sheets.

The wind

From the west northwest (283 degrees) at 10 mph, gusting 21 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Citizen station CW7268, north up: blowing from 283 degrees, the west northwest, at 10 miles an hour, gusting 21; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW7268FIG. C THE WIND AT CITIZEN STATION CW7268PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 283°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station CW7268, the windSTATION REPORT · CWOP CW7268TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-CW7268-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 679 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.19 inHg and the temperature at 56.6 F; the station's altimeter setting of 30.01 inHg means its barometer reads 29.28 inHg; it reports 53.0 F, 3.6 F colder than standard.

Section from sea level of where Citizen station CW7268 stands in the atmosphere, height to scale: the station 679 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.19 inches of mercury, and temperature, 56.6 degrees Fahrenheit; the altimeter setting of 30.01 and the station pressure it means, 29.28.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW7268FIG. D WHERE CITIZEN STATION CW7268 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION CW72682 PER CENT OF THE AIR BELOW IT679 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.19 inHgSTANDARD TEMPERATURE HERE56.6 FALTIMETER SETTING, REPORTED30.01 inHgITS BAROMETER READS29.28 inHgTEMPERATURE, REPORTED53.0 FTITLECitizen station CW7268, the columnSTATION REPORT · CWOP CW7268TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-CW7268-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 41 degrees above the horizon at 40.19 N, and the day is 10 h 58 min long. Level ground there takes 65 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station CW7268, angles true: on Oct 16 it stands 41 degrees above the horizon, against 73 at the June solstice, 50 at the equinoxes and 26 at the December solstice; the day is 10 h 58 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW7268FIG. E THE SUN AT CITIZEN STATION CW7268ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 73°EQUINOXES 50°DECEMBER SOLSTICE 26°OCT 16, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 58 MINLEVEL GROUND TAKES 65 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 40.19 N; THE SUN'S DECLINATION -9.1°TITLECitizen station CW7268, the sunSTATION REPORT · CWOP CW7268TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-CW7268-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station CW7268, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Hoopeston (HOPI2), 11.8 miles from here, read 15 Oct, 18:00. measured daily

Elsewhere in Illinois

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

Near Alvan (Alvin)

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

Near Alvan (Alvin)

River and lake gauges