Marshfield, Wisconsin

KMFI Marshfield Muni

Marshfield Muni (KMFI) is a non-towered, public-use airport in Marshfield, Wisconsin, at 1,277.8 ft MSL. It has 2 runways: 05/23 (3,600 by 100 ft, asphalt), 16/34 (5,003 by 100 ft, asphalt). Right traffic for runways 05, 16. CTAF 123.0.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KMFI, FAA MFI
Location
Marshfield, Wisconsin (Wood County). 1 NM S of the city center
Elevation
1,277.8 ft MSL
Position
44.6369° N, 90.1893° W
Control tower
No, non-towered
Sectional chart
Green Bay
Magnetic variation
0° E (1995)
Fuel
100LL, Jet A+
Ownership
Publicly owned, open to the public
Attendance
MON-SAT 0800-1700

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
05/233,600 × 100 ftAsphalt, fair conditionMedium intensity
16/345,003 × 100 ftAsphalt, fair conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
05Right traffic2-light PAPI, leftNone listedNone listedNot listed
23Left trafficNone listedNone listedNone listedNot listed
16Right traffic2-box VASI, leftNone listedNone listedNot listed
34Left traffic2-box VASI, leftNone listedNone listedNot listed

VHF

Frequencies

CTAF
123.0
UNICOM
123.0

Weather station

ASOS MFI
121.575

Before you go

Brief KMFI in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Marshfield Muni, in the app on iPhone and iPad.

Get Ascent on the App Store

Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.