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Chain-O-Lakes, Indiana

Community in St. Joseph County, Indiana

Air quality

The air at Chain-O-Lakes

Index 41, good, led by fine particles. Read at 12 AM from its reporting area, South Bend (IN), 6 miles off.

41Good
  • Fine particles (PM2.5)41Good9.1 mi
  • Ozone15Good16 ppb9.1 mi
  • Nitrogen dioxide0Good0.7 ppb9.1 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 51, moderate.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Chain-O-Lakes

0.01 in in the last 24 hours, 0.63 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.63in

Visibility

How far you can see at Chain-O-Lakes, the next 44 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 8 PM.

FriSat

On the radar over Chain-O-Lakes, IndianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Chain-O-Lakes, 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 now4 instruments

South BendSBN

At an airfield/3.7 mi away/778 ft/35 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1of 1,111

MP 77 - South BendIN022

Beside a road/7.4 mi away/698 ft/45 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

South Bend 5.9 WIN-SJ-47

In a volunteer observer's own ground/2.4 mi away/752 ft/9 ft above here

precip, snowfall, snow depth

Rank-

New CarlisleNCLI3

At a cooperative observer's station/5.8 mi away/758 ft/15 ft above here

snowfall, snow depth, precip, high, low

Rank630of 1,111

Station report

The weather at South Bend, drawn

The nearest airport reporting now, 3.7 mi from Chain-O-Lakes, Indiana. From its report of Oct 16, 2026, 1:07 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,600 ft; the ceiling is 1,600 ft; visibility 10 mi or more.

Section of the sky over South Bend, height above the station to scale: overcast cloud with its base at 1,600 feet, the ceiling at 1,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SBNFIG. A THE SKY OVER SOUTH BENDSECTION, 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 1,600 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESouth Bend, the skySTATION REPORT · ASOS SBNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SBN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

68.0 F with a dew point of 64.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 1,600 ft.

Chart of the air at South Bend: temperature 68.0 degrees Fahrenheit and dew point 64.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 1,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SBNFIG. B THE AIR AT SOUTH BENDTHE 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 900 FT ABOVE THE STATION, AT 63.0 FLOWEST CLOUD REPORTED, OVC 1,600 FTTEMPERATURE 68.0 FDEW POINT 64.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLESouth Bend, the airSTATION REPORT · ASOS SBNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SBN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (260 degrees) at 13 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at South Bend, north up: blowing from 260 degrees, the west, 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 SBNFIG. C THE WIND AT SOUTH BENDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESouth Bend, the windSTATION REPORT · ASOS SBNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SBN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Indiana

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

Near Chain-O-Lakes

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

Near Chain-O-Lakes

River and lake gauges