Maddox Ranch Co Airport (4U4) Area Aviation Weather & Runway Winds
Aviation weather near Maddox Ranch Co Airport in Chinook, MT, decoded from the nearest reporting station (KHVR): conditions, runway crosswinds, and free Telegram airport alerts.
Maddox Ranch Co Airport (4U4) is a general aviation airport serving pilots in and around Chinook, MT at 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. Its 4 runways (04, 11, 22, 29), longest 3,650 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KHVR. Track it in the ATIS Alerts Telegram bot to get alerts read from KHVR, the station this page is based on.
No weather station at this airport: showing the nearest station KHVR, 27.8 nm away.
Wind from the east (080°) at 7 kt, visibility 10+ statute miles, a few clouds at 6,000 ft, broken clouds at 8,000 ft, temperature 14°C (57°F), altimeter 30.08 inHg. Conditions are Visual Flight Rules (VFR), ceiling 8,000 ft.
METAR KHVR 130153Z AUTO 08007KT 10SM FEW060 BKN080 14/05 A3008 RMK AO2 SLP192 T01390050
What changed at KHVR (nearest station)?
Since the 0053Z (6:53 PM MDT) report, compared automatically against the latest METAR.
- Wind direction moved from 050° to 080°.
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Current pilot readout for 4U4
Based on the nearest station (KHVR), 4U4 is currently VFR with winds from 080° at 7 knots, visibility 10+ statute miles, and a 8,000 ft ceiling. The strongest crosswind component is currently on runway 04, about 7 knots. Density altitude is approximately 2,900 ft (field elevation 2,589 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track 4U4 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at 4U4. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 04FAV | 3,650 ft | TURF-GRVL-F | 1 kt head | 7 kt right |
| 11 | 2,254 ft | TURF-F | 1 kt head | 7 kt right |
| 22 | 3,650 ft | TURF-GRVL-F | 1 kt head | 7 kt right |
| 29 | 2,254 ft | TURF-F | 1 kt head | 7 kt right |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→7 kt, ceiling unlimited → 8,000 ft.
4U4 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Maddox Ranch Co Airport in Chinook, MT: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around 4U4 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. 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 mostly VFR across 24 observations, with 0 flight-category changes. The lowest ceiling was 5,000 ft. Wind most often came from the E.
Most recent change: MVFR → VFR
- 04/11/22/29
- 100%
TAF | Terminal Aerodrome Forecast
Issued 2320Z (5:20 PM MDT)
TAF KHVR 122320Z 1300/1324 08009G15KT P6SM BKN050 FM130400 09008KT P6SM SCT200 FM131600 10012G21KT P6SM FEW250 FM132000 12020G30KT P6SM SCT150
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We'll message you on Telegram when a new report moves the picture near 4U4 (Maddox Ranch Co Airport): alerts read from KHVR, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 3MT4
- City
- Chinook
- State
- Montana
- Country
- United States
- Elevation
- 2,589 ft
- Coordinates
- 48.5134, -109.0653
- Runways
- 4
- Longest runway
- 3,650 ft
- Weather reporting
- Nearest station KHVR
- TAF
- Nearest KHVR
- Time zone
- America/Denver
- Next sunset
- 23h 19m
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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
4U4 weather: frequently asked
What runways are available at 4U4?+
4U4 has 4 runways: 04, 11, 22, 29; the longest is 3,650 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 4U4 come from?+
Maddox Ranch Co Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KHVR, about 28 nm away, close enough for situational awareness, but local conditions at 4U4 can differ.
Does 4U4 have a TAF?+
Yes. The KHVR TAF is shown on this page below the current conditions.
Does 4U4 broadcast D-ATIS?+
No. 4U4 does not broadcast D-ATIS. Alerts for 4U4 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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