Storm Station
Grand River, Ohio
56°
Mostly clear· Feels like 56°·Light air 3 mph N
Sunny, with a high near 69. North wind 9 to 14 mph.
-UV
-Air quality
79%Humidity
34%Cloud

What is measuring near here

The 5 instruments nearest Grand River, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now3 instruments

Mentor Headlands ParkHEDO1

At a river or reservoir gauge/1.3 mi away/581 ft/26 ft below here

temp, wind, gust, humidity, pressure

Rank562of 610

WilloughbyLNN

At an airfield/6.8 mi away/619 ft/12 ft above here

temp, wind, gust, visibility, precip, pressure

Rank318of 610

177-I-90 @ Hermitage Rd.OH167

Beside a road/7.0 mi away/1,040 ft/433 ft above here

temp, pavement temp, wind, visibility, precip

Rank415of 610

measured daily2 instruments

Painesville 4 NWPAIO1

At a cooperative observer's station/1.3 mi away/597 ft/10 ft below here

snowfall, snow depth, precip, high, low

Rank-

Mentor 1.4 NNEOH-LK-15

In a volunteer observer's own ground/3.1 mi away/624 ft/17 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Willoughby, drawn

The nearest airport reporting now, 6.8 mi from Grand River. From its report of Sep 27, 2026, 5:35 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 5 mi.

Section of the sky over Willoughby, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LNNFIG. A THE SKY OVER WILLOUGHBYSECTION, 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: 5 MI0510TITLEWilloughby, the skySTATION REPORT · ASOS LNNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-LNN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

47.5 F with a dew point of 45.5 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Willoughby: temperature 47.5 degrees Fahrenheit and dew point 45.5, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LNNFIG. B THE AIR AT WILLOUGHBYTHE 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 F60 FSATURATES 500 FT ABOVE THE STATION, AT 45.0 FTEMPERATURE AND DEW POINT 47.5 F, 45.5 FRELATIVE HUMIDITY 93 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 POINTTITLEWilloughby, the airSTATION REPORT · ASOS LNNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-LNN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Willoughby, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LNNFIG. C THE WIND AT WILLOUGHBYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWilloughby, the windSTATION REPORT · ASOS LNNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-LNN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Ohio

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

Near Grand River

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