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Koontz Lake, Indiana

Community in Starke County, Indiana

Air quality

The air at Koontz Lake

Index 10, good, led by ozone. Read at 6 AM from its reporting area, South Bend (IN), 19 miles off.

10Good
  • Fine particles (PM2.5)4Good23.5 mi
  • Ozone10Good15 ppb17.9 mi
  • Nitrogen dioxide0Good0.6 ppb23.5 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 27, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Koontz Lake

0.05 in in the last 24 hours, 0.30 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.05in
Last 3 days
0.30in

Visibility

How far you can see at Koontz Lake, the next 43 hours

Visibility stays 4 miles or more through Sun 1 AM, lowest 5 miles Fri 8 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Koontz Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now4 instruments

PlymouthC65

At an airfield/10.2 mi away/801 ft/82 ft above here

temp, wind, gust, visibility, precip, pressure

Rank304of 1,111

ArgosIN004

Beside a road/16.9 mi away/829 ft/110 ft above here

temp, pavement temp, wind, visibility, precip

Rank731of 1,111

measured daily2 instruments

Walkerton 4.4 SSWIN-ST-18

In a volunteer observer's own ground/1.7 mi away/722 ft/3 ft above here

precip, snowfall, snow depth

Rank-

PlymouthPMTI3

At a cooperative observer's station/9.4 mi away/820 ft/101 ft above here

snowfall, snow depth, precip, high, low

Rank23of 1,111

Station report

The weather at Plymouth, drawn

The nearest airport reporting now, 10.2 mi from Koontz Lake, Indiana. From its report of Oct 16, 2026, 7:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,700 ft, overcast at 2,200 ft; the ceiling is 2,200 ft; visibility 10 mi or more.

Section of the sky over Plymouth, height above the station to scale: scattered cloud with its base at 1,700 feet, overcast cloud with its base at 2,200 feet, the ceiling at 2,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C65FIG. A THE SKY OVER PLYMOUTHSECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,200 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 1,700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPlymouth, the skySTATION REPORT · ASOS C65TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-C65-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

53.6 F with a dew point of 53.6 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 Plymouth: temperature 53.6 degrees Fahrenheit and dew point 53.6, 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 C65FIG. B THE AIR AT PLYMOUTHTHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, SCT 1,700 FTTEMPERATURE AND DEW POINT 53.6 F, 53.6 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 POINTTITLEPlymouth, the airSTATION REPORT · ASOS C65TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-C65-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 10 mph, gusting 17 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Plymouth, north up: blowing from 280 degrees, the west, at 10 miles an hour, gusting 17; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C65FIG. C THE WIND AT PLYMOUTHPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE13GUST, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPlymouth, the windSTATION REPORT · ASOS C65TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-C65-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Plymouth (PMTI3), 9.4 miles from here, read 16 Oct, 06:30. measured daily

Elsewhere in Indiana

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

Near Koontz Lake

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

Near Koontz Lake

River and lake gauges