4U4 Weather Maddox Ranch Co Airport

Chinook, MontanaElevation 2,589 ftSmall airport

OFF-FIELD REFERENCE

Nearest report: KHVR · 28 NM W · 23 min old

Ceiling 1,400 ft, visibility 10 SM.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · KHVR

WIND

230@7

steady

VISIBILITY

10 SM

16.1 km

CEILING

1,400 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 122.8° at 6 kt, temperature 3.14C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests today light rain likely, high near 50F, low near 32F, 57% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

Day	Conditions	Temp F	Wind	Gusts	Precip
Today	Light Rain Likely	50/32	WSW 15 kt	24 kt	57%
Wednesday	Sunny	50/27	W 9 kt	16 kt	15%
Thursday	Partly Sunny	42/24	NNW 6 kt	–	5%
Friday	Mostly Cloudy	41/27	ESE 14 kt	20 kt	8%
Saturday	Mostly Sunny	48/28	W 4 kt	–	28%
Sunday	Chance Light Rain	46/29	W 8 kt	–	36%
Monday	Chance Rain And Snow	46/27	WNW 10 kt	–	28%

Source: National Weather Service (office TFX). Forecast issued 1415Z.

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

2 runways

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

2 runways · longest 3,650 ft

09/27

Dimensions

2,254 x 55 ft

Surface

Turf (fair)

RWY 09106°T

Traffic patternLeft

RWY 27286°T

Traffic patternLeft

06/24

Dimensions

3,650 x 50 ft

Surface

Gravel (fair)

Edge lights

NSTD

RWY 0672°T

Traffic patternLeft

RWY 24252°T

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

2,589 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

0005Z 6:05 PM

Sunrise

1355Z 7:55 AM

Loggable night

0037Z (6:37 PM local) → 1323Z (7:23 AM local)

end of evening to start of morning civil twilight

Position lights required

0005Z (6:05 PM local) → 1355Z (7:55 AM local)

sunset to sunrise (91.209)

Night passenger currency

0105Z (7:05 PM local) → 1255Z (6:55 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

Maddox Ranch Co Airport is in Chinook, Montana. Field elevation 2,589 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPrivately owned

UsePrivate use

TypeSmall airport

ManagerDAVID MADDOX

Manager phone(406) 438-6540

AttendedContinuous (24 hours)

CHARTS & AIRSPACE

ICAO / IATA4U4

SectionalGREAT FALLS

Center (ARTCC)SALT LAKE CITY

Flight service (AFSS)GREAT FALLS

RegionMontana

CountryUnited States

Coordinates48.5134, -109.0653

Distance from city8 NM SE

SERVICES & LIGHTING

Fuel100LL

Control towerNon-towered

Field lightingSunset to sunrise

CTAF122.800

UNICOM122.800

FREQUENCIES

Communications

122.800

CTAF

122.800

UNICOM

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

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

4U4 has no on-field report. Nearest reporting station: KHVR (28 NM W, MVFR).

KHVR Havre City County Airport

CYXH Medicine Hat Regional Airport

111 NM NW

MVFR

KGTF Great Falls International Airport

111 NM SW

VFR

AIRPORT REMARKS

Operational remarks

›RY 11 HAS ABRUPT GULLEY 20 FT FM END OF RY.

›RWY 04/22 LED AND REFLECTORS.

›FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.

›RY 29 DIRT ROAD CROSSES RY 300 FT BYD THLD.

›RY 04 LARGE 8 FT DEEP SINKHOLE IN RGT SIDE OF RY 400 FT FM THLD.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗4U4 on OurAirports

FREQUENTLY ASKED

Does 4U4 have a METAR?

No on-field METAR is issued for 4U4. This page uses the nearest reporting station as a reference.

Does 4U4 have a TAF?

No TAF is issued directly for 4U4. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at 4U4?

4U4 sits at 2,589 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for 4U4?

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.