WxDecoder

40MT Weather Silver Creek Airport

Helena, MontanaElevation 3,860 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KHLN · 7 NM SE · 26 min old
Ceiling 1,800 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KHLN
WIND
280@6
steady
VISIBILITY
10 SM
16.1 km
CEILING
1,800 ft
lowest BKN/OVC
ACTIVE NWS ALERTS

Active weather alerts

Dense Fog AdvisoryModerate · Expected · Likely
25 1034Z to 25 1700Z
Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Helena Valley; Elkhorn and Boulder Mountains; Canyon Ferry Area; Missouri Headwaters; Gallatin Valley; Northwest Beaverhead County; Gallatin and Madison County Mountains and Centennial Mountains
* WHAT...Visibility below a quarter of a mile at times in dense fog. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...Until 11 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
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 45° at 3 kt, temperature 1.67C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests today patchy fog, high near 40F, low near 20F, 1% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Tuesday: winds up to 30 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
Today Patchy Fog 40/20 NNW 5 kt – 1%
Monday Areas Of Fog then Partly Sunny 49/28 E 2 kt – 74%
Tuesday Chance Rain And Snow then Partly Sunny 48/23 WSW 18 kt 30 kt 39% Strong winds in the forecast
Wednesday Mostly Sunny 50/23 S 5 kt – 7%
Thursday Partly Sunny then Slight Chance Light Snow 46/23 N 5 kt – 44%
Friday Chance Light Snow 43/22 N 4 kt – 37%
Saturday Slight Chance Light Snow then Mostly Sunny 45/22 WSW 4 kt – 20%

Source: National Weather Service (office TFX). Forecast issued 1518Z.

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 40MT. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,460 ft

07/25
Dimensions
1,400 x 250 ft
Surface
Turf (good)
RWY 07
RWY 25

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
3,860 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

Silver Creek Airport is in Helena, Montana. Field elevation 3,860 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerGERALD MAYKUTH
Manager phone406-458-5433
AttendedIREG
CHARTS & AIRSPACE
ICAO / IATA40MT
SectionalGREAT FALLS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates46.7066, -112.0691
Distance from city7 NM N
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

40MT has no on-field report. Nearest reporting station: KHLN (7 NM SE, MVFR).

KHLN Helena Regional Airport
7 NM SE
MVFR
KBTM Bert Mooney Airport
48 NM S
VFR
KGTF Great Falls International Airport
55 NM NE
VFR
KBZN Bozeman Yellowstone International Airport
67 NM SE
VFR
KMSO Missoula Montana Airport
84 NM W
VFR
KDLN Dillon Airport
89 NM S
LIFR
AIRPORT REMARKS

Operational remarks

›4FT WHITE & ORANGE PYLONS.
›STOL USE.
›FOR CD CTC HELENA APCH AT 406-449-5756/5761, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗40MT on OurAirports
FREQUENTLY ASKED
Does 40MT have a METAR?
No on-field METAR is issued for 40MT. This page uses the nearest reporting station as a reference.
Does 40MT have a TAF?
No TAF is issued directly for 40MT. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 40MT?
40MT sits at 3,860 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 40MT?
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.