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Mahomet, Illinois

Village in Champaign County, Illinois

Air quality

The air at Mahomet

Index 27, good, led by fine particles. Read at 12 AM from its reporting area, Champaign (IL), 6 miles off.

27Good
  • Fine particles (PM2.5)27Good9.6 mi
  • Ozone16Good10 ppb11.8 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 43, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Mahomet

0.12 in in the last 24 hours, and none in the 2 days before, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.12in
Last 3 days
0.12in

Visibility

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

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 1 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Mahomet, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now5 instruments

measured daily2 instruments

Mahomet 0.3 NNWIL-CP-5

In a volunteer observer's own ground/0.4 mi away/722 ft/43 ft above here

precip, snowfall, snow depth

Rank-

FisherFSHI2

At a cooperative observer's station/8.8 mi away/717 ft/38 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Champaign - Willard, drawn

The nearest airport reporting now, 12.9 mi from Mahomet, Illinois. From its report of Oct 15, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

Broken at 800 ft, overcast at 1,200 ft; the ceiling is 800 ft; visibility 3 mi.

Section of the sky over Champaign - Willard, height above the station to scale: broken cloud with its base at 800 feet, overcast cloud with its base at 1,200 feet, the ceiling at 800 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CMIFIG. A THE SKY OVER CHAMPAIGN - WILLARDSECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 1,200 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 800 FTVISIBILITY, MILES: 3 MI0510TITLEChampaign - Willard, the skySTATION REPORT · ASOS CMITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CMI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.0 F with a dew point of 61.0 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 800 ft.

Chart of the air at Champaign - Willard: temperature 62.0 degrees Fahrenheit and dew point 61.0, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CMIFIG. B THE AIR AT CHAMPAIGN - WILLARDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 FSATURATES 200 FT ABOVE THE STATION, AT 60.7 FLOWEST CLOUD REPORTED, BKN 800 FTTEMPERATURE AND DEW POINT 62.0 F, 61.0 FRELATIVE HUMIDITY 97 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 POINTTITLEChampaign - Willard, the airSTATION REPORT · ASOS CMITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CMI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 21 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Champaign - Willard, north up: blowing from 290 degrees, the west northwest, at 21 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CMIFIG. C THE WIND AT CHAMPAIGN - WILLARDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChampaign - Willard, the windSTATION REPORT · ASOS CMITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CMI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Fisher (FSHI2), 8.8 miles from here, read 13 Oct, 07:00. measured daily

Elsewhere in Illinois

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

Near Mahomet

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

Near Mahomet

River and lake gauges