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River Forest, Indiana

Town in Madison County, Indiana

Air quality

The air at River Forest

Index 13, good, led by fine particles. Read at 8 AM from its reporting area, Indianapolis (IN), 35 miles off.

13Good
  • Fine particles (PM2.5)13Good4.3 mi
  • Ozone9Good9 ppb4.3 mi
  • Coarse particles (PM10)6Good-

The days ahead

Highest moderate, Sun Oct 18, led by fine particles. Yesterday measured 55, moderate.

Smoke, the next 43 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at River Forest

0.08 in in the last 24 hours, and none in the 2 days before, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.08in
Last 3 days
0.08in

Visibility

How far you can see at River Forest, the next 43 hours

Mist or haze: visibility falls to 2 miles Fri 7 PM.

FriSat

On the radar over River Forest, IndianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest River Forest, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

measured daily2 instruments

Anderson 2.3 WNWIN-MD-52

In a volunteer observer's own ground/0.3 mi away/879 ft/level with here

precip, snowfall, snow depth

Rank-

Station report

The weather at Anderson Municip, drawn

The nearest airport reporting now, 6.1 mi from River Forest, Indiana. From its report of Oct 16, 2026, 8:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,200 ft; the ceiling is 1,200 ft; visibility 10 mi or more.

Section of the sky over Anderson Municip, height above the station to scale: overcast cloud with its base at 1,200 feet, the ceiling at 1,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AIDFIG. A THE SKY OVER ANDERSON MUNICIPSECTION, 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 SKYCEILING 1,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEAnderson Municip, the skySTATION REPORT · ASOS AIDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AID-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

52.7 F with a dew point of 49.6 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 1,200 ft.

Chart of the air at Anderson Municip: temperature 52.7 degrees Fahrenheit and dew point 49.6, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 1,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AIDFIG. B THE AIR AT ANDERSON MUNICIPTHE 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 700 FT ABOVE THE STATION, AT 48.9 FLOWEST CLOUD REPORTED, OVC 1,200 FTTEMPERATURE 52.7 FDEW POINT 49.6 FSPREAD 3.1 FRELATIVE HUMIDITY 89 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 POINTTITLEAnderson Municip, the airSTATION REPORT · ASOS AIDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AID-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 14 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Anderson Municip, north up: blowing from 290 degrees, the west northwest, at 14 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AIDFIG. C THE WIND AT ANDERSON MUNICIPPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAnderson Municip, the windSTATION REPORT · ASOS AIDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AID-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Anderson Sewage Plant (ADNI3), 0.5 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Indiana

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

Near River Forest

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

Near River Forest

River and lake gauges