Maddox Ranch Co Airport (4U4) Area Aviation Weather & Runway Winds
As of 1:05 AM MDT, Oct 28, based on the nearest station (KHVR), 4U4 is currently MVFR with winds from 250° at 10 knots, visibility 10+ statute miles, and a 2,800 ft ceiling.
Aviation weather near Maddox Ranch Co Airport in Chinook, MT, decoded from the nearest reporting station (KHVR): conditions and runway crosswinds.
Maddox Ranch Co Airport (4U4) is a general aviation airport serving pilots in and around Chinook, MT at a field elevation of 2,589 ft. 4U4 has no weather station of its own. Conditions here are decoded from KHVR, about 28 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (06/24, 09/27), the longest 3,650 ft. The nearest TAF is issued for KHVR.
No weather station at this airport: showing the nearest station KHVR, 27.8 nm away.
Wind from the west-southwest (250°) at 10 kt, visibility 10+ statute miles, broken clouds at 2,800 ft, overcast at 4,000 ft, temperature 3°C (38°F), altimeter 29.78 inHg. Conditions are Marginal VFR (MVFR), ceiling 2,800 ft.
SPECI KHVR 280705Z AUTO 25010KT 10SM -RA BKN028 OVC040 03/03 A2978 RMK AO2 P0000 T00330028
Current pilot readout for 4U4
Based on the nearest station (KHVR), 4U4 is currently MVFR with winds from 250° at 10 knots, visibility 10+ statute miles, and a 2,800 ft ceiling. the wind favors runway ends 24. Density altitude is approximately 2,000 ft (field elevation 2,589 ft). Review the latest TAF below for forecast changes before departure.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 24FAV | 3,650 ft | TURF-GRVL-F | 10 kt head | 0 kt |
| 27 | 2,254 ft | TURF-F | 8 kt head | 6 kt left |
| 09 | 2,254 ft | TURF-F | 8 kt tail | 6 kt right |
| 06 | 3,650 ft | TURF-GRVL-F | 10 kt tail | 0 kt |
Open the crosswind calculator to try your own wind and runway numbers →
4U4 runways
2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.
- Status not monitoredRunway 06/243,650 × 50 ft · TURF-GRVL-FCurrent useno stated-runway source at 4U4Wind
- 06
- 10 kt tailwind · 0 kt crosswind
- 24
- 10 kt headwind · 0 kt crosswind
no active equipment NOTAM receivedView Runway Intelligence → - Status not monitoredRunway 09/272,254 × 55 ft · TURF-FCurrent useno stated-runway source at 4U4Wind
- 09
- 8 kt tailwind · 6 kt crosswind from right
- 27
- 8 kt headwind · 6 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 18 h: wind 4→10 kt, ceiling 500 ft → 2,800 ft.
4U4 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Recent aviation weather trends at 4U4
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KHVR reported a mix of conditions, most often VFR across 34 observations, with 6 flight-category changes. The strongest gust reached 25 kt, the lowest ceiling was 500 ft. Wind most often came from the W.
Most recent change: VFR → MVFR
Most recent change: IFR → MVFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 24
- 40%
- 06
- 32%
- 27
- 19%
- 09
- 9%
TAF | Terminal Aerodrome Forecast
Issued 1120Z (5:20 AM MDT)
TAF KHVR 281120Z 2812/2912 24007KT P6SM SCT060 BKN080 FM281700 27008KT P6SM SCT080 BKN120 FM282300 02005KT P6SM SCT080 BKN120
New to TAFs? How to read one →
Get 4U4 weather alerts in Telegram
Stop refreshing aviation weather manually. Track 4U4 in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.
Track 4U4 free on TelegramNo live weather from 4U4
Live crosswind meter
4U4 has no weather feed online, so the wind comes from KHVR, 28 nm away.
Wind is 2° off runway 24, the end with the most headwind right now.
Have a weather station at 4U4? Help us make your field's weather available to every pilot, free. Add your field's wx station →Turf · 3,650 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Runway 06/24, 09/27 drawn from FAA threshold coordinates.
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Fuel
- 100LL
- Attended
- 24 hours
- Repairs
- Airframe & engine, major
- Transient parking
- Tie-downs
- Landing fee
- No
- Other services
- Crop dusting · Flight instruction
- Control tower
- None
- Runway lights
- Sunset to sunrise
- Wind indicator
- Unlighted
Airport
- Type
- General aviation airport
- FAA LID
- 3MT4
- City
- Chinook
- State
- Montana
- Country
- United States
- Elevation
- 2,589 ft
- Coordinates
- 48.5134, -109.0653
- Runways
- 2 physical runways · 4 runway ends
- Longest runway
- 3,650 ft
- Weather reporting
- Nearest station KHVR
- TAF
- Nearest KHVR
- Time zone
- America/Denver
- Next sunset
- 10h 50m
Run a flight school, FBO, or club here? Embed 4U4's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
2 airports25–50 NM
4 airports50–100 NM
7 airports+1 more within 100 NM
Customize your 3MT4 shirt or mug
3MT4's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.
Pilot PIREPs for Maddox Ranch Co Airport (4U4)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Maddox Ranch Co Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for 4U4 yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
Spotted incorrect airport info? ✏️ Suggest an edit