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Hartz Lake, Indiana

Community in Starke County, Indiana

Air quality

The air at Hartz Lake

Index 47, good, led by fine particles. Read at 11 PM from its reporting area, South Bend (IN), 35 miles off.

47Good
  • Fine particles (PM2.5)47Good-
  • Ozone16Good-

The days ahead

Good each day through Fri Oct 16, led by ozone. Yesterday measured 51, moderate.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Hartz Lake

None in the last 24 hours; 0.42 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.42in

Visibility

How far you can see at Hartz Lake, the next 45 hours

Mist or haze: visibility falls to 2 miles Fri 3 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Hartz Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now4 instruments

ArgosIN004

Beside a road/13.0 mi away/829 ft/105 ft above here

temp, pavement temp, wind, visibility, precip

Rank731of 1,111

KnoxOXI

At an airfield/13.6 mi away/685 ft/39 ft below here

temp, wind, gust, visibility, precip, pressure

Rank895of 1,111

measured daily2 instruments

Knox WWTPKNXI3

At a water treatment plant/11.1 mi away/711 ft/13 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Knox, drawn

The nearest airport reporting now, 13.6 mi from Hartz Lake, Indiana. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 1,700 ft, broken at 3,600 ft, overcast at 7,500 ft; the ceiling is 3,600 ft; visibility 10 mi or more.

Section of the sky over Knox, height above the station to scale: scattered cloud with its base at 1,700 feet, broken cloud with its base at 3,600 feet, overcast cloud with its base at 7,500 feet, the ceiling at 3,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OXIFIG. A THE SKY OVER KNOXSECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 7,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 3,600 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEKnox, the skySTATION REPORT · ASOS OXITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OXI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

68.0 F with a dew point of 68.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 1,700 ft.

Chart of the air at Knox: temperature 68.0 degrees Fahrenheit and dew point 68.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 1,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OXIFIG. B THE AIR AT KNOXTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, SCT 1,700 FTTEMPERATURE AND DEW POINT 68.0 F, 68.0 FRELATIVE HUMIDITY 100 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 POINTTITLEKnox, the airSTATION REPORT · ASOS OXITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OXI-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 17 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Knox, north up: blowing from 240 degrees, the west southwest, at 17 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OXIFIG. C THE WIND AT KNOXPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEKnox, the windSTATION REPORT · ASOS OXITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OXI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Indiana

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

Near Hartz Lake

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

Near Hartz Lake

River and lake gauges