Storm Station
Sign in

Bull Valley, Illinois

Village in McHenry County, Illinois

Air quality

The air at Bull Valley

Index 12, good, led by fine particles. Read at 1 AM from its reporting area, North and West Suburbs (Chicago) (IL), 11 miles off.

12Good
  • Fine particles (PM2.5)12Good9.7 mi
  • Ozone10Good14 ppb9.7 mi
  • Coarse particles (PM10)5Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 33, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Bull Valley

0.62 in in the last 24 hours, 0.76 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.62in
Last 3 days
0.76in

Visibility

How far you can see at Bull Valley, the next 43 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Bull Valley, 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 now4 instruments

WaukeganUGN

At an airfield/26.3 mi away/709 ft/200 ft below here

temp, wind, gust, visibility, precip, pressure

Rank25of 1,393

measured daily2 instruments

Woodstock 2.9 EIL-MCH-76

In a volunteer observer's own ground/1.6 mi away/959 ft/50 ft above here

precip, snowfall, snow depth

Rank-

Crystal Lake 4NWCRYI2

At a cooperative observer's station/5.0 mi away/932 ft/23 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Waukegan, drawn

The nearest airport reporting now, 26.3 mi from Bull Valley, Illinois. From its report of Oct 16, 2026, 1:29 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,300 ft, broken at 1,800 ft, overcast at 2,800 ft; the ceiling is 1,300 ft; visibility 9 mi.

Section of the sky over Waukegan, height above the station to scale: broken cloud with its base at 1,300 feet, broken cloud with its base at 1,800 feet, overcast cloud with its base at 2,800 feet, the ceiling at 1,300 feet, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UGNFIG. A THE SKY OVER WAUKEGANSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,800 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 9 MI0510TITLEWaukegan, the skySTATION REPORT · ASOS UGNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-UGN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

54.0 F with a dew point of 52.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at Waukegan: temperature 54.0 degrees Fahrenheit and dew point 52.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UGNFIG. B THE AIR AT WAUKEGANTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 500 FT ABOVE THE STATION, AT 51.5 FLOWEST CLOUD REPORTED, BKN 1,300 FTTEMPERATURE AND DEW POINT 54.0 F, 52.0 FRELATIVE HUMIDITY 93 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 POINTTITLEWaukegan, the airSTATION REPORT · ASOS UGNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-UGN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 12 mph, gusting 25 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Waukegan, north up: blowing from 280 degrees, the west, at 12 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UGNFIG. C THE WIND AT WAUKEGANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWaukegan, the windSTATION REPORT · ASOS UGNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-UGN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Illinois

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

Near Bull Valley

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

Near Bull Valley

River and lake gauges