WxDecoder

K61C Weather Fort Atkinson Municipal Airport

Jefferson, WisconsinElevation 800 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KJVL · 23 NM SW · 26 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KJVL
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 48F, 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.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 48 NW 4 kt – 1%
Monday Mostly Cloudy 59/45 NE 9 kt – 10%
Tuesday Mostly Cloudy 67/53 SE 9 kt – 10%
Wednesday Mostly Sunny 73/56 S 9 kt – 38%
Thursday Chance Showers And Thunderstorms 73/50 SW 9 kt – 38% Thunderstorms in the forecast
Friday Chance Rain Showers 71/54 SE 9 kt – 38%
Saturday Chance Rain Showers 70/53 S 9 kt – 56%
Sunday Chance Rain Showers 67 SW 9 kt – 37%

Source: National Weather Service (office MKX). Forecast issued 0235Z.

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
1 runway
NESW0321
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 3,800 ft

03/21
Dimensions
3,800 x 60 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0328°T
VGSIPAPI (P2L)
RWY 21208°T
VGSIPAPI (P2L)
Traffic patternLeft

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

FIELD CONDITIONS

Field elevation

Field elevation
800 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2257Z 5:57 PM
Sunrise
1221Z 7:21 AM
Loggable night
2326Z (6:26 PM local) → 1152Z (6:52 AM local)
end of evening to start of morning civil twilight
Position lights required
2257Z (5:57 PM local) → 1221Z (7:21 AM local)
sunset to sunrise (91.209)
Night passenger currency
2357Z (6:57 PM local) → 1121Z (6:21 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

Fort Atkinson Municipal Airport is in Jefferson, Wisconsin. Field elevation 800 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerJEDIDIAH DRAEGER
Manager phone920-397-9901
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAK61C
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates42.9632, -88.8176
Distance from city3 NM NE
SERVICES & LIGHTING
FuelJet A+
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.900
FREQUENCIES

Communications

120.1
MADISON APP/DEP
A/D
122.9
CTAF
CTAF

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

AIRCRAFT ACTIVITY

K61C traffic patterns

2026-06-13 to 2026-10-23, 51 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
3.4
AVG OPS/DAY
6
Activity trend over 14 days: rising, from 5 to 6 operations per dayOperations trend (14 days)

Busiest day: Wed · Busiest month: Oct

FLEET MIX
Piston single 78%Unknown 11%Helicopter 11%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C182 (Piston single) · ~9 landings/mo
›C172 (Piston single) · ~4 landings/mo
›P28A (Piston single) · ~3 landings/mo
›P28B (Piston single) · ~3 landings/mo
›B06 (Helicopter) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

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

›C182 (Piston single)
›P28A (Piston single)
›RV12 (Unknown)
›P28R (Piston single)
›P28B (Piston single)

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

K61C has no on-field report. Nearest reporting station: KJVL (23 NM SW, VFR).

KJVL Southern Wisconsin Regional Airport
23 NM SW
VFR
KMSN Dane County Regional Truax Field
25 NM NW
VFR
KUES Waukesha County Airport
26 NM E
VFR
KUNU Dodge County Airport
28 NM N
VFR
KMWC Lawrence J Timmerman Airport
35 NM E
VFR
KMKE General Mitchell International Airport
40 NM E
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC MADISON APP/DEP CON AT 608-249-8240. WHEN MADISON APCH CLSD, FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›EMAIL ADDRESS: JDRAEGER@FORTATKINSONWI.GOV
›ULTRALIGHT ACTVTY ON & IN VCNTY OF ARPT.
›RY 03/21 PILOTS REQUESTED TO FLY RY HEADING & CLIMB TO 1400 FT MSL BEFORE TURNING EAST.
›10 FT BRUSH 30 FT FM THR; 100 FT L.
›10 FT BRUSH 100 FT FM THR; 115 FT R.
›24 HR SELF SVC FUEL AVBL WITH CREDIT CARD.
›MIRL RWY 03/21 PRESET TO LOW SS-SR; TO INCR INTST & ACTVT PAPI RWY 03 & 21; MIRL RWY 03/21 - CTAF.
›CONSTR PRIOR TO 1959
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗K61C on OurAirports
FREQUENTLY ASKED
Does K61C have a METAR?
No on-field METAR is issued for K61C. This page uses the nearest reporting station as a reference.
Does K61C have a TAF?
No TAF is issued directly for K61C. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K61C?
K61C sits at 800 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K61C?
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.