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Knox, Indiana

City in Starke County, Indiana

Air quality

The air at Knox

Index 46, good, led by fine particles. Read at 10 PM from its reporting area, South Bend (IN), 31 miles off.

46Good
  • Fine particles (PM2.5)46Good-
  • Ozone17Good-

The days ahead

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

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Knox

0.04 in in the last 24 hours, 0.12 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.12in

Visibility

How far you can see at Knox, the next 46 hours

Mist or haze: visibility falls to 2 miles Fri 4 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Knox, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

KnoxOXI

At an airfield/3.4 mi away/685 ft/25 ft below here

temp, wind, gust, visibility, precip, pressure

Rank895of 1,111

ArgosIN004

Beside a road/19.1 mi away/829 ft/119 ft above here

temp, pavement temp, wind, visibility, precip

Rank731of 1,111

measured daily2 instruments

Knox WWTPKNXI3

At a water treatment plant/0.9 mi away/711 ft/1 ft above here

snowfall, snow depth, precip, high, low

Rank-

Knox 4.6 SEIN-ST-17

In a volunteer observer's own ground/4.7 mi away/726 ft/16 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Knox, drawn

The nearest airport reporting now, 3.4 mi from Knox, Indiana. From its report of Oct 15, 2026, 10:15 PM local time: 3 of its 6 sheets.

The sky

Broken at 1,400 ft, broken at 2,100 ft, overcast at 3,100 ft; the ceiling is 1,400 ft; visibility 10 mi or more.

Section of the sky over Knox, height above the station to scale: broken cloud with its base at 1,400 feet, broken cloud with its base at 2,100 feet, overcast cloud with its base at 3,100 feet, the ceiling at 1,400 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,100 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,400 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

The air

71.6 F with a dew point of 71.6 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 1,400 ft.

Chart of the air at Knox: temperature 71.6 degrees Fahrenheit and dew point 71.6, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 1,400 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, BKN 1,400 FTTEMPERATURE AND DEW POINT 71.6 F, 71.6 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 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 (250 degrees) at 17 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Knox, north up: blowing from 250 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 250°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 Knox

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

Near Knox

River and lake gauges