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Dundas, Illinois

Community in Richland County, Illinois

Air quality

The air at Dundas

Index 20, good, led by ozone. Read at 1 AM from its reporting area, Vincennes (IN), 33 miles off.

20Good
  • Ozone20Good-

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Dundas

0.22 in in the last 24 hours, 0.44 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.22in
Last 3 days
0.44in

Visibility

How far you can see at Dundas, the next 42 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 2 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Dundas, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now4 instruments

FloraFOAI2

At a river or reservoir gauge/24.3 mi away/490 ft/16 ft above here

temp, wind, gust, humidity, pressure

Rank888of 1,393

measured daily2 instruments

Dundas 1.4 EIL-RC-7

In a volunteer observer's own ground/1.5 mi away/490 ft/16 ft above here

precip, snowfall, snow depth

Rank-

OlneyOLYI2

At a cooperative observer's station/9.4 mi away/453 ft/21 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Olney-Noble, drawn

The nearest airport reporting now, 9.2 mi from Dundas, Illinois. From its report of Oct 16, 2026, 1:30 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,200 ft, broken at 2,200 ft, overcast at 8,000 ft; the ceiling is 2,200 ft; visibility 10 mi or more.

Section of the sky over Olney-Noble, height above the station to scale: scattered cloud with its base at 1,200 feet, broken cloud with its base at 2,200 feet, overcast cloud with its base at 8,000 feet, the ceiling at 2,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLYFIG. A THE SKY OVER OLNEY-NOBLESECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 8,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,200 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,200 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEOlney-Noble, the skySTATION REPORT · ASOS OLYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OLY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

63.5 F with a dew point of 59.0 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,000 ft up; the lowest cloud reported is at 1,200 ft.

Chart of the air at Olney-Noble: temperature 63.5 degrees Fahrenheit and dew point 59.0, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,000 feet above the station, against the lowest cloud reported at 1,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLYFIG. B THE AIR AT OLNEY-NOBLETHE 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 1,000 FT ABOVE THE STATION, AT 58.0 FLOWEST CLOUD REPORTED, SCT 1,200 FTTEMPERATURE 63.5 FDEW POINT 59.0 FSPREAD 4.5 FRELATIVE HUMIDITY 85 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 POINTTITLEOlney-Noble, the airSTATION REPORT · ASOS OLYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OLY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 20 mph, gusting 29 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 29 mph.

Plan of the wind at Olney-Noble, north up: blowing from 310 degrees, the northwest, at 20 miles an hour, gusting 29; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OLYFIG. C THE WIND AT OLNEY-NOBLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 20 MPH6STRONG BREEZE25GUST, 29 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEOlney-Noble, the windSTATION REPORT · ASOS OLYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OLY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Olney-Noble, 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 Dundas

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

Near Dundas

River and lake gauges