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Horner Field (MT40) Area Aviation Weather & Runway Winds

As of 4:55 AM MDT, Oct 28, based on the nearest station (KGFA), MT40 is currently VFR with winds from 230° at 16 knots, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near Horner Field in Great Falls, MT, decoded from the nearest reporting station (KGFA): conditions and runway crosswinds.

Horner Field (MT40) is a general aviation airport serving pilots in and around Great Falls, MT at a field elevation of 3,440 ft. MT40 has no weather station of its own. Conditions here are decoded from KGFA, about 6 nm away, the nearest reporting station, and local conditions can differ. It has one runway (05/23), the longest 4,809 ft. The nearest TAF is issued for KGTF.

Ask ATIS AIAsk anything about MT40's weather, runways or delays, or search another airport.
VFR
Observed 1055Z (4:55 AM MDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KGFA, 6.3 nm away.

Wind
230° 16 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
29.84"
Temp / Dew
41°F / 5°C
feels like 32°F

Wind from the southwest (230°) at 16 kt, visibility 10+ statute miles, scattered clouds at 18,000 ft, temperature 5°C (41°F), altimeter 29.84 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KGFA 281055Z 23016KT 10SM SCT180 05/M01 A2984 RMK AO2A SLP120 T00491013 $

What changed at KGFA (nearest station)?

Since the 0955Z (3:55 AM MDT) report, compared automatically against the latest METAR.

No significant changes since the 0955Z (3:55 AM MDT) report, conditions are holding steady.

Current pilot readout for MT40

Based on the nearest station (KGFA), MT40 is currently VFR with winds from 230° at 16 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors southwest-facing runway ends (23). Density altitude is approximately 3,150 ft (field elevation 3,440 ft). MT40 does not publish a TAF. The nearest TAF station is KGTF, about 8 nm away.

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.

RunwayHead / TailCrosswind
23FAV16 kt head3 kt left
0516 kt tail3 kt right

Open the crosswind calculator to try your own wind and runway numbers →

MT40 runways

1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 05/23
    4,809 × 87 ft · Turf/Gravel
    Status not monitored
    Current use
    no stated-runway source at MT40
    Wind
    05
    16 kt tailwind · 3 kt crosswind from right
    23
    16 kt headwind · 3 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.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0193811Z23Z10Z

Over the last 23 h: wind 0→16 kt, ceiling 15,000 ft → unlimited.

MT40 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

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 MT40

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KGFA reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 33 kt, the lowest ceiling was 11,000 ft. Wind most often came from the SW.

Last 24 hours
VFR 100%
Wind avg/max: 10/21 kt
Max gust: 33 kt
Lowest ceiling: 11,000 ft
Lowest vis: -
Prevailing wind: SW
Category changes: 0
Last 7 days
VFR 90%MVFR 5%IFR 5%LIFR 1%
Wind avg/max: 6/24 kt
Max gust: 33 kt
Lowest ceiling: 400 ft
Lowest vis: 1.5 sm
Prevailing wind: SW
Category changes: 14

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

23
82%
05
18%

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No live weather from MT40

Live crosswind meter

MT40 has no weather feed online, so the wind comes from KGFA, 6.3 nm away.

N230516 kt
Headwind
16 kt
Crosswind (from the left)
3 kt

Wind is 12° off runway 23, the end with the most headwind right now.

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Turf · 4,809 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Horner Field (MT40) with runway 05/23 marked
N ↑

Runway 05/23 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

Repairs
Airframe minor
Control tower
None

Airport

Type
General aviation airport
FAA LID
MT49
City
Great Falls
State
Montana
Country
United States
Elevation
3,440 ft
Coordinates
47.5937, -111.2700
Runways
1 physical runway · 2 runway ends
Longest runway
4,809 ft
Weather reporting
Nearest station KGFA
TAF
Nearest KGTF
Time zone
America/Denver
Next sunset
13h 5m

Run a flight school, FBO, or club here? Embed MT40's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

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MT49's real runway layout on the back, elevation and tower frequency on the front. Add your tail number on the sleeve.

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Pilot PIREPs for Horner Field (MT40)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Horner Field, 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 MT40 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.

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