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Alton, Indiana

Town in Crawford County, Indiana

Air quality

The air at Alton

Index 34, good, led by ozone. Read at 3 AM from its reporting area, Perry County (IN), 10 miles off.

34Good
  • Ozone34Good-

The days ahead

Yesterday measured 35, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Alton

0.11 in in the last 24 hours, 0.86 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
0.86in

Visibility

How far you can see at Alton, the next 41 hours

Visibility stays 6 miles or more through Sat 8 PM, lowest 6 miles Fri 10 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Alton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.7 miles away.

measured now4 instruments

Tipsaw LakeTSWI3

At a river or reservoir gauge/11.2 mi away/692 ft/265 ft above here

temp, wind, gust, humidity, pressure

Rank391of 1,111

measured daily2 instruments

CentralCNLI3

At a cooperative observer's station/15.6 mi away/668 ft/241 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Tipsaw Lake, drawn

The nearest instrument reporting now, 11.2 mi from Alton, Indiana. From its report of Oct 16, 2026, 2:18 AM local time: 3 of its 3 sheets.

The column

At 692 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.18 inHg and the temperature at 56.5 F; it reports 70.0 F, 13.5 F warmer than standard.

Section from sea level of where Tipsaw Lake stands in the atmosphere, height to scale: the station 692 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.18 inches of mercury, and temperature, 56.5 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TSWI3FIG. D WHERE TIPSAW LAKE STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERETIPSAW LAKE2 PER CENT OF THE AIR BELOW IT692 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.18 inHgSTANDARD TEMPERATURE HERE56.5 FTEMPERATURE, REPORTED70.0 FTITLETipsaw Lake, the columnSTATION REPORT · DCP TSWI3TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-16IDSR-TSWI3-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 43 degrees above the horizon at 38.13 N, and the day is 11 h 02 min long. Level ground there takes 68 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Tipsaw Lake, angles true: on Oct 16 it stands 43 degrees above the horizon, against 75 at the June solstice, 52 at the equinoxes and 28 at the December solstice; the day is 11 h 02 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TSWI3FIG. E THE SUN AT TIPSAW LAKEELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 75°EQUINOXES 52°DECEMBER SOLSTICE 28°OCT 16, 43°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 02 MINLEVEL GROUND TAKES 68 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 38.13 N; THE SUN'S DECLINATION -9.1°TITLETipsaw Lake, the sunSTATION REPORT · DCP TSWI3TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-16IDSR-TSWI3-2DRAWN AS linework on paperSOURCES FB-ENG-007

The instrument

A data collection platform, 692 ft above sea level. Its report of Oct 16, 2026, 2:18 AM local time is written on the sensors that made it.

Elevation of a data collection platform, Tipsaw Lake, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 16, 2026, 2:18 am local time; air temperature, 70.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TSWI3FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ, OCT 16, 2026, 2:18 AM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD OCT 16, 2026, 2:18 AM LOCAL TIMEAIR TEMPERATURE70.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLETipsaw Lake, the instrumentSTATION REPORT · DCP TSWI3TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-16IDSR-TSWI3-3DRAWN AS linework on paperSOURCES FB-INS-001

The full report of Tipsaw Lake, in 3 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 Alton

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

Near Alton

River and lake gauges