WxDecoder

3WI9 Weather Rosenbaum Field

Chippewa Falls, WisconsinElevation 940 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KEAU · 9 NM SW · 36 min old
Ceiling 5,500 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KEAU
WIND
350@6
steady
VISIBILITY
10 SM
16.1 km
CEILING
5,500 ft
lowest BKN/OVC
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 from 360° at 6 kt, visibility 10 SM, temperature 12C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight cloudy then chance light rain, low near 44F, 26% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Friday: Chance Rain Showers. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Cloudy then Chance Light Rain 44 N 4 kt – 26%
Monday Chance Light Rain 51/43 NE 4 kt – 72%
Tuesday Chance Light Rain 65/52 SE 13 kt – 47%
Wednesday Chance Rain Showers 69/49 SSW 9 kt – 62%
Thursday Chance Rain Showers then Mostly Sunny 65/43 NW 4 kt – 36%
Friday Chance Rain Showers 65/50 ESE 4 kt – 64% Thunderstorms in the forecast
Saturday Showers And Thunderstorms Likely 65/48 SE 9 kt – 64%
Sunday Slight Chance Rain Showers 62 WSW 9 kt – 24%

Source: National Weather Service (office MPX). Forecast issued 0232Z.

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
Crosswind calculator
No runway layout is available for 3WI9. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,600 ft

18/36
Dimensions
2,600 x 100 ft
Surface
Turf
Edge lights
NSTD
RWY 18
Traffic patternLeft
RWY 36
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
940 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2304Z 6:04 PM
Sunrise
1235Z 7:35 AM
Loggable night
2334Z (6:34 PM local) → 1205Z (7:05 AM local)
end of evening to start of morning civil twilight
Position lights required
2304Z (6:04 PM local) → 1235Z (7:35 AM local)
sunset to sunrise (91.209)
Night passenger currency
0004Z (7:04 PM local) → 1135Z (6:35 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

Rosenbaum Field is in Chippewa Falls, Wisconsin. Field elevation 940 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJOE BOWE
Manager phone(715) 829-4800
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA3WI9
SectionalGREEN BAY
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates44.9938, -91.3778
Distance from city3 NM N
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
AIRCRAFT ACTIVITY

3WI9 traffic patterns

2026-07-28 to 2026-08-08, 2 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.5
AVG OPS/DAY
1
Activity trend over 2 days: flat, from 1 to 1 operations per dayOperations trend (2 days)

Busiest day: Sat · Busiest month: Aug

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›RV9 (Piston single) · ~1 landings/mo
›C172 (Piston single) · ~0 landings/mo
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

3WI9 has no on-field report. Nearest reporting station: KEAU (9 NM SW, VFR).

KEAU Chippewa Valley Regional Airport
9 NM SW
VFR
KRPD Rice Lake Regional Airport - Carl's Field
31 NM NW
VFR
KMDZ Taylor County Airport
46 NM E
VFR
KRNH New Richmond Regional Airport
50 NM W
VFR
KMFI Marshfield Municipal Airport
55 NM SE
VFR
KONA Winona Municipal Airport Max Conrad Field
57 NM S
VFR
AIRPORT REMARKS

Operational remarks

›PHONE REQ FOR NSTD LIRL RWY 18/36 CALL 715-829-4800.
›FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
›LIRL ON BOTH SIDES OF RWY.
›WIRES-M WEST SIDE NORTH END OF RWY.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗3WI9 on OurAirports
FREQUENTLY ASKED
Does 3WI9 have a METAR?
No on-field METAR is issued for 3WI9. This page uses the nearest reporting station as a reference.
Does 3WI9 have a TAF?
No TAF is issued directly for 3WI9. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 3WI9?
3WI9 sits at 940 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 3WI9?
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.