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Blue Mound, Illinois

Village in Macon County, Illinois

Air quality

The air at Blue Mound

Index 28, good, led by fine particles. Read at 11 PM from its reporting area, Decatur (IL), 14 miles off.

28Good
  • Fine particles (PM2.5)28Good15.5 mi
  • Ozone14Good10 ppb15.5 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 45, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Blue Mound

0.61 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.61in
Last 3 days
0.61in

Visibility

How far you can see at Blue Mound, the next 45 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Thu 11 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Blue Mound, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.4 miles away.

measured now3 instruments

TaylorvilleTAZ

At an airfield/16.0 mi away/623 ft/4 ft above here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Moweaqua 2SMQUI2

At a cooperative observer's station/9.5 mi away/620 ft/1 ft above here

snowfall, snow depth, precip, high, low

Rank50of 1,393

Station report

The weather at Citizen station FW5373, drawn

The nearest instrument reporting now, 29.4 mi from Blue Mound, Illinois. From its report of undefined: 3 of its 4 sheets.

The wind

From the west southwest (250 degrees) at 4 mph, gusting 14 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Citizen station FW5373, north up: blowing from 250 degrees, the west southwest, at 4 miles an hour, gusting 14; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW5373FIG. C THE WIND AT CITIZEN STATION FW5373PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 4 MPH3GENTLE BREEZE84MODERATE BREEZE13GUST, 14 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station FW5373, the windSTATION REPORT · CWOP FW5373TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-FW5373-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 589 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.29 inHg and the temperature at 56.9 F; the station's altimeter setting of 29.99 inHg means its barometer reads 29.36 inHg; it reports 57.0 F, 0.1 F warmer than standard.

Section from sea level of where Citizen station FW5373 stands in the atmosphere, height to scale: the station 589 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.29 inches of mercury, and temperature, 56.9 degrees Fahrenheit; the altimeter setting of 29.99 and the station pressure it means, 29.36.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW5373FIG. D WHERE CITIZEN STATION FW5373 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 FW53732 PER CENT OF THE AIR BELOW IT589 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 HERE29.29 inHgSTANDARD TEMPERATURE HERE56.9 FALTIMETER SETTING, REPORTED29.99 inHgITS BAROMETER READS29.36 inHgTEMPERATURE, REPORTED57.0 FTITLECitizen station FW5373, the columnSTATION REPORT · CWOP FW5373TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-FW5373-2DRAWN 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 39.67 N, and the day is 10 h 59 min long. Level ground there takes 66 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station FW5373, angles true: on Oct 16 it stands 41 degrees above the horizon, against 74 at the June solstice, 50 at the equinoxes and 27 at the December solstice; the day is 10 h 59 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW5373FIG. E THE SUN AT CITIZEN STATION FW5373ELEVATION 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 74°EQUINOXES 50°DECEMBER SOLSTICE 27°OCT 16, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 59 MINLEVEL GROUND TAKES 66 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.67 N; THE SUN'S DECLINATION -9.1°TITLECitizen station FW5373, the sunSTATION REPORT · CWOP FW5373TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-FW5373-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station FW5373, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Moweaqua 2S (MQUI2), 9.5 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Illinois

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

Near Blue Mound

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

Near Blue Mound

River and lake gauges