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Franklin Grove, Illinois

Village in Lee County, Illinois

Air quality

The air at Franklin Grove

Index 9, good, led by fine particles. Read at 11 PM from its reporting area, Rockford (IL), 36 miles off.

9Good
  • Fine particles (PM2.5)9Good-
  • Ozone7Good-

The days ahead

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

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Franklin Grove

0.36 in in the last 24 hours, 0.62 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.36in
Last 3 days
0.62in

Visibility

How far you can see at Franklin Grove, the next 44 hours

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

FriSat

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

What is measuring near here

The 7 instruments nearest Franklin Grove, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.4 miles away.

measured now5 instruments

RochelleRPJ

At an airfield/11.9 mi away/781 ft/27 ft below 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/2.4 mi away/817 ft/9 ft above here

precip, snowfall, snow depth

Rank-

Amboy WaterAMBI2

At a cooperative observer's station/8.5 mi away/758 ft/50 ft below here

snowfall, snow depth, precip, high, low

Rank1,230of 1,393

Station report

The weather at Rochelle, drawn

The nearest airport reporting now, 11.9 mi from Franklin Grove, Illinois. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 1,400 ft; the ceiling is 1,400 ft; visibility 10 mi or more.

Section of the sky over Rochelle, height above the station to scale: overcast cloud with its base at 1,400 feet, the ceiling at 1,400 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 1,400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,400 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

54.5 F with a dew point of 52.0 F, 91 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 600 ft up; the lowest cloud reported is at 1,400 ft.

Chart of the air at Rochelle: temperature 54.5 degrees Fahrenheit and dew point 52.0, 91 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 600 feet above the station, against the lowest cloud reported at 1,400 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 600 FT ABOVE THE STATION, AT 51.4 FLOWEST CLOUD REPORTED, OVC 1,400 FTTEMPERATURE AND DEW POINT 54.5 F, 52.0 FRELATIVE HUMIDITY 91 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 (300 degrees) at 15 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 29 mph.

Plan of the wind at Rochelle, north up: blowing from 300 degrees, the west northwest, at 15 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 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 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

-

Snow on the ground

Elsewhere in Illinois

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

Near Franklin Grove

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

Near Franklin Grove

River and lake gauges