Peterson Ranch Airport (MT77) Area Aviation Weather & Runway Winds
Aviation weather near Peterson Ranch Airport in Highwood, MT, decoded from the nearest reporting station (KGFA) — conditions, runway crosswinds, and free Telegram airport alerts.
Peterson Ranch Airport (MT77) is a general aviation airport serving pilots in and around Highwood, MT at 3,340 ft. MT77 has no weather station of its own — conditions here are decoded from KGFA, about 13 nm away, the nearest reporting station, and local conditions can differ. Its 6 runways (05, 07, 17, 23) — longest 2,040 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KGTF. Track it in the ATIS Alerts Telegram bot to get alerts read from KGFA, the station this page is based on.
No weather station at this airport — showing the nearest station KGFA, 13 nm away.
Wind from the west (270°) at 7 kt, visibility 5 statute miles, no cloud data, temperature 33°C (91°F), altimeter 29.83 inHg. Conditions are Marginal VFR (MVFR).
METAR KGFA 290155Z 27007KT 5SM FU CLR 33/02 A2983 RMK AO2A SLP061 T03300019 $
What changed at KGFA (nearest station)?
Since the 0055Z (6:55 PM MDT) report — compared automatically against the latest METAR.
- Wind speed down from 12 to 7 kt.
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Current pilot readout for MT77
Based on the nearest station (KGFA), MT77 is currently MVFR with winds from 270° at 7 knots, visibility 5 statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 05, about 7 knots. Density altitude is approximately 6,400 ft (field elevation 3,340 ft). MT77 does not publish a TAF — the nearest TAF station is KGTF, about 20 nm away.
⚠️ 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 MT77 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 MT77. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 05FAV | 2,000 ft | TURF | 0 kt head | 7 kt left |
| 07 | 800 ft | TURF | 0 kt head | 7 kt left |
| 17 | 2,040 ft | TURF | 0 kt head | 7 kt left |
| 23 | 2,000 ft | TURF | 0 kt head | 7 kt left |
| 25 | 800 ft | TURF | 0 kt head | 7 kt left |
| 35 | 2,040 ft | TURF | 0 kt head | 7 kt left |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 22 h: wind 4→7 kt, ceiling unlimited → unlimited.
MT77 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Peterson Ranch Airport in Highwood, 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 MT77 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
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.
Pilot reports (PIREPs) within 100 NM of MT77
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
GTF UA /OV 090030/TM 2315/FL110/TP C560/TB LGT CHOP BLO 110
GTF UAHeader — reporting station and UA: a routine pilot report.OV 090030Location — fix or navaid, optionally with a radial and distance in NM.TM 2315Reported at 23:15 UTC.FL110Altitude: 11,000 ft MSL.TP C560Aircraft type reporting.TB LGT CHOP BLO 110Turbulence: light chop blo 110.Show raw report
GTF UA /OV 170030/TM 2310/FL140/TP E75L/TB MOD BLO 160/RM TEMPERATURE INVERSION
GTF UAHeader — reporting station and UA: a routine pilot report.OV 170030Location — fix or navaid, optionally with a radial and distance in NM.TM 2310Reported at 23:10 UTC.FL140Altitude: 14,000 ft MSL.TP E75LAircraft type reporting.TB MOD BLO 160Turbulence: moderate blo 160.RM TEMPERATURE INVERSIONRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use — conditions change between reports.
Recent aviation weather trends at MT77
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KGFA reported mostly marginal VFR across 27 observations, with 4 flight-category changes. The strongest gust reached 24 kt. Wind most often came from the W.
Most recent change: VFR → MVFR
Most recent change: VFR → MVFR
- 05/07/17/23/25/35
- 100%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- MT77
- City
- Highwood
- State
- Montana
- Country
- United States
- Elevation
- 3,340 ft
- Coordinates
- 47.6087, -110.9065
- Runways
- 6
- Longest runway
- 2,040 ft
- Weather reporting
- Nearest station KGFA
- TAF
- Nearest KGTF
- Time zone
- America/Denver
- Sunset in
- 8m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
4 airports25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.
- Big Sky RC Modelers - Black Horse Field — Floweree, MT · 15 mi
- Big Sky RC Modelers - Paris-Gibson School Gym — Great Falls, MT · 18 mi
MT77 weather — frequently asked
What runways are available at MT77?+
MT77 has 6 runways — 05, 07, 17, 23, 25, 35; the longest is 2,040 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for MT77 come from?+
Peterson Ranch Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KGFA, about 13 nm away — close enough for situational awareness, but local conditions at MT77 can differ.
Does MT77 have a TAF?+
No — MT77 does not publish its own TAF. The nearest TAF station is KGTF, about 20 nm away.
Does MT77 broadcast D-ATIS?+
No — MT77 does not broadcast D-ATIS. Alerts for MT77 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Peterson Ranch Airport (MT77)
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 Peterson Ranch 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 MT77 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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