MT15 Weather Fort Harrison Army Airfield

Helena, MontanaElevation 4,050 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KHLN · 5 NM E · 44 min old
Ceiling 2,100 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KHLN
WIND
260@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
2,100 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 310° at 6 kt, visibility 10 SM, temperature 2C. Treat this as supplemental, not an aviation observation. Forecast suggests today patchy fog, high near 38F, low near 23F, 1% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 27 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
Today Patchy Fog 38/23 N 4 kt – 1%
Monday Areas Of Fog then Partly Sunny 48/34 NNE 3 kt – 82%
Tuesday Slight Chance Rain And Snow then Partly Sunny 49/28 WSW 18 kt 27 kt 21% Strong winds in the forecast
Wednesday Sunny 51/27 S 6 kt – 18%
Thursday Partly Sunny 46/26 N 5 kt – 21%
Friday Slight Chance Light Snow 43/26 NNE 3 kt – 31%
Saturday Slight Chance Light Snow 48/27 W 3 kt – 18%

Source: National Weather Service (office TFX). Forecast issued 1736Z.

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
NESW05231028
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 2,185 ft

10/28
Dimensions
1,840 x 97 ft
Surface
Turf
RWY 10
RWY 28
05/23
Dimensions
2,185 x 100 ft
Surface
Turf
RWY 05
RWY 23

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
4,050 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0024Z 6:24 PM
Sunrise
1401Z 8:01 AM
Loggable night
0055Z (6:55 PM local) → 1330Z (7:30 AM local)
end of evening to start of morning civil twilight
Position lights required
0024Z (6:24 PM local) → 1401Z (8:01 AM local)
sunset to sunrise (91.209)
Night passenger currency
0124Z (7:24 PM local) → 1301Z (7:01 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

Fort Harrison Army Airfield is in Helena, Montana. Field elevation 4,050 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipArmy owned
UsePrivate use
TypeSmall airport
ManagerMT ARMY NATIONAL GUARD
Manager phone406-324-3694
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAMT15
SectionalGREAT FALLS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates46.6247, -112.1109
Distance from city4 NM W
SERVICES & LIGHTING
Control towerNon-towered
FREQUENCIES

Communications

40.65
HELENA ARNG OPS
OPS

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

MT15 has no on-field report. Nearest reporting station: KHLN (5 NM E, MVFR).

AIRPORT REMARKS

Operational remarks

›PPR D406-324-5776.
›FOR CD CTC HELENA APCH AT 406-449-5756/5761, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568.
›CLSD INDEFLY.
›EXISTED PRIOR TO 1959.
FREQUENTLY ASKED
Does MT15 have a METAR?
No on-field METAR is issued for MT15. This page uses the nearest reporting station as a reference.
Does MT15 have a TAF?
No TAF is issued directly for MT15. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at MT15?
MT15 sits at 4,050 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for MT15?
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.