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Lost Nation, Illinois

Community in Ogle County, Illinois

Air quality

The air at Lost Nation

Index 19, good, led by fine particles. Read at 10 PM from its reporting area, Rockford (IL), 33 miles off.

19Good
  • Fine particles (PM2.5)19Good-
  • Ozone6Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 27, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Lost Nation

0.45 in in the last 24 hours, 0.46 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.45in
Last 3 days
0.46in

Visibility

How far you can see at Lost Nation, the next 46 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Thu 10 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Lost Nation, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.2 miles away.

measured now5 instruments

RochelleRPJ

At an airfield/14.8 mi away/781 ft/76 ft above here

temp, wind, gust, visibility, precip, pressure

Rank522of 1,393

measured daily2 instruments

Franklin Grove 2.4 WIL-LE-13

In a volunteer observer's own ground/5.2 mi away/817 ft/112 ft above here

precip, snowfall, snow depth

Rank-

Oregon WWTPOREI2

At a water treatment plant/6.8 mi away/676 ft/29 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rochelle, drawn

The nearest airport reporting now, 14.8 mi from Lost Nation, Illinois. From its report of Oct 15, 2026, 10:15 PM local time: 3 of its 6 sheets.

The sky

Broken at 1,700 ft, overcast at 3,400 ft; the ceiling is 1,700 ft; visibility 10 mi or more.

Section of the sky over Rochelle, height above the station to scale: broken cloud with its base at 1,700 feet, overcast cloud with its base at 3,400 feet, the ceiling at 1,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. A THE SKY OVER ROCHELLESECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERochelle, the skySTATION REPORT · ASOS RPJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RPJ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

56.7 F with a dew point of 55.4 F, 95 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 300 ft up; the lowest cloud reported is at 1,700 ft.

Chart of the air at Rochelle: temperature 56.7 degrees Fahrenheit and dew point 55.4, 95 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 300 feet above the station, against the lowest cloud reported at 1,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. B THE AIR AT ROCHELLETHE 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 F70 FSATURATES 300 FT ABOVE THE STATION, AT 55.0 FLOWEST CLOUD REPORTED, BKN 1,700 FTTEMPERATURE AND DEW POINT 56.7 F, 55.4 FRELATIVE HUMIDITY 95 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 POINTTITLERochelle, the airSTATION REPORT · ASOS RPJTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RPJ-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 16 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Rochelle, north up: blowing from 290 degrees, the west northwest, at 16 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RPJFIG. C THE WIND AT ROCHELLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERochelle, the windSTATION REPORT · ASOS RPJTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RPJ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Rochelle, 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 Lost Nation

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

Near Lost Nation

River and lake gauges