KJVL/JVL METAR & TAF Southern Wisconsin Regional Airport

Janesville, WisconsinElevation 808 ftSmall airport

CURRENT STATUS

VFR17 min old

No ceiling, visibility 10 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

Calm

no steady wind

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

4 ft

-804 ft vs field

CURRENT METAR

Decoded observation

Observed 0335Z (10:35 PM local) · 17 min old

KJVL is currently VFR. Winds are calm. Visibility is 10 statute miles. There is no ceiling.

WIND

Calm

No steady wind.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

10°C / 8°C

50°F / 46°F. 2°C spread.

ALTIMETER

30.32 inHg

1026.8 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

TERMINAL AERODROME FORECAST

TAF timeline

Issued 2320Z (6:20 PM local) · valid to 0000Z (7:00 PM local)

KJVL forecast starts VFR at 00Z. Conditions are roughly steady over the period.

BKN25025,000 ft

BKN0404,000 ft

BKN0707,000 ft

0000Z7:00 PM0448Z11:48 PM0936Z4:36 AM1424Z9:24 AM1912Z2:12 PM0000Z7:00 PM

Codes in this report: P6SM BKN SCT

Tap any group to decode it.

FAA: no delays reported at JVL.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling none. Forecast suggests tonight mostly cloudy, low near 49F, 1% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES

Thunderstorms in the forecastWeather.gov

Thursday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tonight	Mostly Cloudy	49	N 4 kt	–	1%
Monday	Mostly Cloudy	61/45	NE 9 kt	–	10%
Tuesday	Mostly Cloudy	68/53	SE 9 kt	–	5%
Wednesday	Mostly Sunny	72/55	S 13 kt	–	35%
Thursday	Chance Showers And Thunderstorms	72/51	SW 9 kt	–	35%	Thunderstorms in the forecast
Friday	Chance Rain Showers	71/54	SE 9 kt	–	37%
Saturday	Chance Rain Showers	69/53	S 9 kt	–	57%
Sunday	Chance Rain Showers	67	SW 9 kt	–	34%

Source: National Weather Service (office MKX). Forecast issued 0351Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND

3 runways · crosswind ranking

WIND USED

Wind calm or variable

Crosswind ranking is unavailable until the wind has a steady direction.

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

3 runways · longest 7,302 ft

18/36

Dimensions

5,004 x 75 ft

Surface

Asphalt (fair)

Edge lights

MED

RWY 18179°T

Landing length (LDA)5,004 ft

TORA / TODA / ASDA5,004 / 5,004 / 5,004 ft

Traffic patternLeft

RWY 36359°T

Landing length (LDA)5,004 ft

TORA / TODA / ASDA5,004 / 5,004 / 5,004 ft

Traffic patternLeft

04/22

Dimensions

6,701 x 150 ft

Surface

Asphalt (fair)

Edge lights

HIGH

RWY 0442°T

Landing length (LDA)6,701 ft

TORA / TODA / ASDA6,701 / 6,701 / 6,701 ft

ILSILS

Approach lightsMALSR

VGSIPAPI (P4L)

Traffic patternLeft

RWY 22222°T

Landing length (LDA)6,701 ft

TORA / TODA / ASDA6,701 / 6,701 / 6,701 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

14/32

Dimensions

7,302 x 150 ft

Surface

Concrete (fair)

Edge lights

HIGH

RWY 14134°T

Landing length (LDA)7,302 ft

TORA / TODA / ASDA7,302 / 7,302 / 7,302 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

RWY 32314°T

Landing length (LDA)7,302 ft

TORA / TODA / ASDA7,302 / 7,302 / 7,302 ft

ILSILS/DME

Approach lightsMALSR

VGSIVASI (V4L)

Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

4 ft

Pressure altitude

408 ft

Field elevation

808 ft MSL

Temperature

10°C (50°F)

Dewpoint

8°C (46°F)

Altimeter

30.32 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2258Z 5:58 PM

Sunrise

1222Z 7:22 AM

Loggable night

2327Z (6:27 PM local) → 1153Z (6:53 AM local)

end of evening to start of morning civil twilight

Position lights required

2258Z (5:58 PM local) → 1222Z (7:22 AM local)

sunset to sunrise (91.209)

Night passenger currency

2358Z (6:58 PM local) → 1122Z (6:22 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Southern Wisconsin Regional Airport is in Janesville, Wisconsin. Field elevation 808 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerAIMEE SCRIMA

Manager phone608-757-5768

AttendedDaily, 0700–1530

CHARTS & AIRSPACE

ICAO / IATAKJVL / JVL

SectionalCHICAGO

Center (ARTCC)CHICAGO

Flight service (AFSS)GREEN BAY

RegionWisconsin

CountryUnited States

Coordinates42.6203, -89.0416

Distance from city3 NM SW

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerTowered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF118.800

UNICOM122.950

FREQUENCIES

Communications

121

ROCKFORD APP/DEP

A/D

128.25

ATIS

121.65

CLNC DEL

CLD

118.8

CTAF

121.65

JANESVILLE GND

GND

114.3

GREEN BAY RDO

RDO

118.8

JANESVILLE TWR

TWR

122.95

UNICOM

UNIC

122.950

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KJVL traffic patterns

2026-06-12 to 2026-10-23, 70 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

14.7

AVG OPS/DAY

25.7

Operations trend (18 days)

Busiest day: Thu · Busiest month: Jun

FLEET MIX

Piston single 37%Jet 28%Unknown 19%Helicopter 8%Turboprop 6%Twin 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›H25B (Jet) · ~58 landings/mo

›C172 (Piston single) · ~56 landings/mo

›SR22 (Piston single) · ~12 landings/mo

›EC45 (Helicopter) · ~9 landings/mo

›CL35 (Jet) · ~9 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)

›H25B (Jet)

›MM24 (Helicopter)

›CH7B (Unknown)

›EC45 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KRFD Chicago Rockford International Airport

26 NM S

VFR

KFEP Albertus Airport

33 NM SW

VFR

KMSN Dane County Regional Truax Field

34 NM NW

VFR

KUES Waukesha County Airport

44 NM NE

VFR

KENW Kenosha Regional Airport

49 NM E

VFR

KUNU Dodge County Airport

51 NM N

VFR

AIRPORT REMARKS

Operational remarks

›PCR VALUE: 130/F/C/X/T

›PCR VALUE: 440/R/B/X/T

›RWY 04/22 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. 90 DAY PPR FOR UNSKED ACR OPS GTR THAN 30 PAX SEATS - AMGR.

›CONDS UNMNT MON-FRI 1530-0700, WKEND & FED HOL.

›RWY 32 & 36 ENDS CLOSELY ALIGNED; VERIFY RWY & HDG BFR DEP.

›RWY 14/32 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. 90 DAY PPR FOR UNSKED ACR OPS GTR THAN 30 PAX SEATS - AMGR.

›LGT SPORT ACFT WITH CRUISE SPEED OF 60 MPH OR LESS ENTER TFC PAT AT 500 AGL.

›RWY 18/36 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. 90 DAY PPR FOR UNSKED ACR OPS GTR THAN 30 PAX SEATS - AMGR.

›APRONS & RAMPS RSTD TO 155 DTW GROSS WT.

›ACTVT MALSR RWY 04 & 32; REIL RWY 14 & 22; VASI RWY 32; HIRL RWY 04/22 & 14/32; MIRL RWY 18/36 - CTAF. WHEN ATCT CLSD HIRL RWY 04/22 PRESET TO LOW INTST; INCR INTST - CTAF. PAPI RWY 04, 14, & 22 OPR CONSLY.

›PCR VALUE: 170/R/D/X/T

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Official airport website

↗Wikipedia

↗KJVL on OurAirports

FREQUENTLY ASKED

Does KJVL have a METAR?

Yes. KJVL has a current METAR observation, decoded into plain English on this page.

Does KJVL have a TAF?

Yes, a TAF is issued for KJVL; the decoded forecast timeline is shown above.

What is the field elevation at KJVL?

KJVL sits at 808 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KJVL?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.