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Heritage Lake, Indiana

Community in Putnam County, Indiana

Air quality

The air at Heritage Lake

Index 34, good, led by fine particles. Read at 3 AM from its reporting area, Indianapolis (IN), 28 miles off.

34Good
  • Fine particles (PM2.5)34Good-
  • Ozone17Good-
  • Coarse particles (PM10)13Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 55, moderate.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Heritage Lake

0.37 in in the last 24 hours, 0.42 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.37in
Last 3 days
0.42in

Visibility

How far you can see at Heritage Lake, the next 42 hours

Visibility stays 4 miles or more through Sat 8 PM, lowest 5 miles Fri 7 PM.

FriSat

On the radar over Heritage Lake, IndianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Heritage Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.9 miles away.

measured now4 instruments

CloverdaleIN011

Beside a road/14.5 mi away/832 ft/33 ft below here

temp, pavement temp, wind, visibility, precip

Rank868of 1,111

measured daily2 instruments

Fillmore 2.3 NIN-PM-20

In a volunteer observer's own ground/2.9 mi away/801 ft/64 ft below here

precip, snowfall, snow depth

Rank-

Danville 3SWDANI3

At a cooperative observer's station/9.2 mi away/951 ft/86 ft above here

snowfall, snow depth, precip, high, low

Rank926of 1,111

Station report

The weather at Greencastle, drawn

The nearest airport reporting now, 8.7 mi from Heritage Lake, Indiana. From its report of Oct 16, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,000 ft, overcast at 1,400 ft; the ceiling is 1,000 ft; visibility 10 mi or more.

Section of the sky over Greencastle, height above the station to scale: broken cloud with its base at 1,000 feet, overcast cloud with its base at 1,400 feet, the ceiling at 1,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GPCFIG. A THE SKY OVER GREENCASTLESECTION, 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 SKYBKN 1,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEGreencastle, the skySTATION REPORT · ASOS GPCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GPC-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

64.4 F with a dew point of 62.6 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,000 ft.

Chart of the air at Greencastle: temperature 64.4 degrees Fahrenheit and dew point 62.6, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 1,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GPCFIG. B THE AIR AT GREENCASTLETHE 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 F80 FSATURATES 400 FT ABOVE THE STATION, AT 62.1 FLOWEST CLOUD REPORTED, BKN 1,000 FTTEMPERATURE AND DEW POINT 64.4 F, 62.6 FRELATIVE HUMIDITY 94 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 POINTTITLEGreencastle, the airSTATION REPORT · ASOS GPCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GPC-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 13 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Greencastle, north up: blowing from 290 degrees, the west northwest, at 13 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 GPCFIG. C THE WIND AT GREENCASTLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreencastle, the windSTATION REPORT · ASOS GPCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GPC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Danville 3SW (DANI3), 9.2 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Indiana

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

Near Heritage Lake

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

Near Heritage Lake

River and lake gauges