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St. Paris, Ohio

Village in Champaign County, Ohio

Air quality

The air at St. Paris

Index 19, good, led by ozone. Read at 3 AM from its reporting area, Dayton (OH), 28 miles off.

19Good
  • Fine particles (PM2.5)8Good-
  • Ozone19Good-
  • Coarse particles (PM10)5Good-

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 25, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at St. Paris

0.24 in in the last 24 hours, 0.40 in over the last 3 days, to Sat 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.24in
Last 3 days
0.40in

Visibility

How far you can see at St. Paris, the next 42 hours

Visibility stays 9 miles or more through Sun 8 PM, lowest 9 miles Sat 8 AM.

SatSun

On the radar over St. Paris, OhioReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest St. Paris, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now5 instruments

UrbanaI74

At an airfield/11.0 mi away/1,050 ft/161 ft below here

temp, wind, gust, visibility, precip, pressure

Rank374of 1,605

measured daily2 instruments

St. Paris 0.2 SSEOH-CH-20

In a volunteer observer's own ground/0.3 mi away/1,213 ft/2 ft above here

precip, snowfall, snow depth

Rank-

Saint ParisSTPO1

At a cooperative observer's station/2.7 mi away/1,194 ft/17 ft below here

snowfall, snow depth, precip, high, low

Rank1,601of 1,605

Station report

The weather at Urbana, drawn

The nearest airport reporting now, 11.0 mi from St. Paris, Ohio. From its report of Oct 17, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Urbana, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I74FIG. A THE SKY OVER URBANASECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEUrbana, the skySTATION REPORT · ASOS I74TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-I74-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.8 F with a dew point of 39.2 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up.

Chart of the air at Urbana: temperature 42.8 degrees Fahrenheit and dew point 39.2, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I74FIG. B THE AIR AT URBANATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 FSATURATES 800 FT ABOVE THE STATION, AT 38.4 FTEMPERATURE 42.8 FDEW POINT 39.2 FSPREAD 3.6 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 POINTTITLEUrbana, the airSTATION REPORT · ASOS I74TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-I74-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 13 mph, gusting 17 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Urbana, north up: blowing from 360 degrees, the north, at 13 miles an hour, gusting 17; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I74FIG. C THE WIND AT URBANAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEUrbana, the windSTATION REPORT · ASOS I74TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-I74-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Saint Paris (STPO1), 2.7 miles from here, read 16 Oct, 08:00. measured daily

Elsewhere in Ohio

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

Near St. Paris

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

Near St. Paris

River and lake gauges