Storm Station
Sharon, Wisconsin
55°
Partly cloudy· Feels like 55°·Light breeze 4 mph E
Mostly cloudy, with a low around 48. Wind around 0 mph.
-UV
-Air quality
72%Humidity
48%Cloud

What is measuring near here

The 5 instruments nearest Sharon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.7 miles away.

measured now3 instruments

Janesville/RockJVL

At an airfield/17.8 mi away/807 ft/184 ft below here

temp, wind, gust, visibility, precip, pressure

Rank337of 347

JanesvilleJANW3

At a river or reservoir gauge/19.2 mi away/876 ft/115 ft below here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

Walworth 1.8 SWWI-WW-46

In a volunteer observer's own ground/5.7 mi away/965 ft/26 ft below here

precip, snowfall, snow depth

Rank-

Clinton 1SW - WWTPCLTW3

At a water treatment plant/8.1 mi away/925 ft/66 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Janesville/Rock, drawn

The nearest airport reporting now, 17.8 mi from Sharon. From its report of Sep 27, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Janesville/Rock, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JVLFIG. A THE SKY OVER JANESVILLE/ROCKSECTION, 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: 7 MI0510TITLEJanesville/Rock, the skySTATION REPORT · ASOS JVLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-JVL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

46.4 F with a dew point of 44.6 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Janesville/Rock: temperature 46.4 degrees Fahrenheit and dew point 44.6, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JVLFIG. B THE AIR AT JANESVILLE/ROCKTHE 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 400 FT ABOVE THE STATION, AT 44.2 FTEMPERATURE AND DEW POINT 46.4 F, 44.6 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 POINTTITLEJanesville/Rock, the airSTATION REPORT · ASOS JVLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-JVL-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 Janesville/Rock, 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 JVLFIG. C THE WIND AT JANESVILLE/ROCKPLAN, 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 FORCE73TITLEJanesville/Rock, the windSTATION REPORT · ASOS JVLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-JVL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Wisconsin

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

Near Sharon

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