MT42 Weather Hasskamp STOLport

Three Forks, MontanaElevation 4,052 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KBZN · 17 NM SE · 51 min old
Ceiling 400 ft, visibility 8 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBZN
WIND
VRB@3
steady
VISIBILITY
8 SM
12.9 km
CEILING
400 ft
lowest BKN/OVC
ACTIVE NWS ALERTS

Active weather alerts

Dense Fog AdvisoryModerate · Expected · Likely
25 1905Z to 26 1800Z
Elkhorn and Boulder Mountains; Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Gallatin and Madison County Mountains and Centennial Mountains
* WHAT...Variable visibility down to a quarter mile or less in dense fog. * WHERE...Canyon Ferry Area, Elkhorn and Boulder Mountains, Beaverhead and Western Madison below 6000ft, Gallatin Valley, Gallatin and Madison County Mountains and Centennial Mountains, Madison River Valley, Missouri Headwaters, and Northwest Beaverhead County. * WHEN...Until noon MDT Monday. * IMPACTS...Low visibility co…
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

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 132° at 4 kt, temperature 5.56C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon sunny, high near 41F, low near 19F, 0% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 28 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Sunny 41/19 N 2 kt – 0%
Monday Areas Of Fog then Partly Sunny 50/26 0 kt – 88%
Tuesday Chance Light Snow then Partly Sunny 50/20 SW 16 kt 28 kt 43% Strong winds in the forecast
Wednesday Sunny 51/21 SSW 3 kt – 4%
Thursday Mostly Sunny 49/21 0 kt – 12%
Friday Chance Light Snow 45/21 0 kt – 30%
Saturday Slight Chance Rain And Snow 47/21 0 kt – 19%

Source: National Weather Service (office TFX). Forecast issued 2147Z.

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
Crosswind calculator
No runway layout is available for MT42. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

14/32
Dimensions
1,225 x 50 ft
Surface
TURF-P
FIELD CONDITIONS

Field elevation

Field elevation
4,052 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0023Z 6:23 PM
Sunrise
1357Z 7:57 AM
Loggable night
0053Z (6:53 PM local) → 1327Z (7:27 AM local)
end of evening to start of morning civil twilight
Position lights required
0023Z (6:23 PM local) → 1357Z (7:57 AM local)
sunset to sunrise (91.209)
Night passenger currency
0123Z (7:23 PM local) → 1257Z (6:57 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

Hasskamp STOLport is in Three Forks, Montana. Field elevation 4,052 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATAMT42
RegionMontana
CountryUnited States
Coordinates45.9105, -111.5140
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

MT42 traffic patterns

2026-10-03 to 2026-10-16, 3 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.3
AVG OPS/DAY
2.7
Activity trend over 3 days: rising, from 2 to 4 operations per dayOperations trend (3 days)

Busiest day: Fri · Busiest month: Oct

FLEET MIX
Unknown 75%Piston single 25%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›SLG2 (Unknown) · ~2 landings/mo
›C172 (Piston single) · ~1 landings/mo
›SLG4 (Unknown) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›SLG2 (Unknown)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

MT42 has no on-field report. Nearest reporting station: KBZN (17 NM SE, LIFR).

FREQUENTLY ASKED
Does MT42 have a METAR?
No on-field METAR is issued for MT42. This page uses the nearest reporting station as a reference.
Does MT42 have a TAF?
No TAF is issued directly for MT42. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at MT42?
MT42 sits at 4,052 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for MT42?
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.