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Prospect, Ohio

Village in Marion County, Ohio

Air quality

The air at Prospect

Index 19, good, led by ozone. Read at 6 AM from its reporting area, Columbus (OH), 34 miles off.

19Good
  • Fine particles (PM2.5)15Good-
  • Ozone19Good-
  • Coarse particles (PM10)4Good-

The days ahead

Highest 53, moderate, Sun Oct 18, led by fine particles. Yesterday measured 29, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Prospect

0.30 in in the last 24 hours, 0.34 in over the last 3 days, to Sat 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.30in
Last 3 days
0.34in

Visibility

How far you can see at Prospect, the next 44 hours

Visibility stays 8 miles or more through Mon 2 AM, lowest 8 miles Sun 8 AM.

SatSun

On the radar over Prospect, OhioReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Prospect, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now5 instruments

DelawareDLZ

At an airfield/12.4 mi away/942 ft/35 ft above here

temp, wind, gust, visibility, precip, pressure

Rank330of 1,605

measured daily2 instruments

Prospect 1.0 SOH-DL-25

In a volunteer observer's own ground/1.0 mi away/916 ft/9 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Delaware, drawn

The nearest airport reporting now, 12.4 mi from Prospect, Ohio. From its report of Oct 17, 2026, 7:15 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 3,900 ft; visibility 10 mi or more.

Section of the sky over Delaware, height above the station to scale: a few clouds cloud with its base at 3,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DLZFIG. A THE SKY OVER DELAWARESECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 3,900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEDelaware, the skySTATION REPORT · ASOS DLZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-DLZ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

39.2 F with a dew point of 35.6 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 3,900 ft.

Chart of the air at Delaware: temperature 39.2 degrees Fahrenheit and dew point 35.6, 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, against the lowest cloud reported at 3,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DLZFIG. B THE AIR AT DELAWARETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00020 F30 F40 F50 FSATURATES 800 FT ABOVE THE STATION, AT 34.8 FLOWEST CLOUD REPORTED, FEW 3,900 FTTEMPERATURE 39.2 FDEW POINT 35.6 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 POINTTITLEDelaware, the airSTATION REPORT · ASOS DLZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-DLZ-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Delaware, north up: blowing from 340 degrees, the north northwest, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DLZFIG. C THE WIND AT DELAWAREPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDelaware, the windSTATION REPORT · ASOS DLZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-DLZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Ohio

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

Near Prospect

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

Near Prospect

River and lake gauges