3U5 Weather Augusta Airport

Augusta, MontanaElevation 4,145 ftSmall airport

OFF-FIELD REFERENCE

Nearest report: KGTF · 41 NM E · 20 min old

No ceiling, visibility 10 SM.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · KGTF

WIND

300@4

steady

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

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.

Special Weather StatementModerate · Expected · Observed

25 0922Z to 25 1445Z

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

Patchy dense fog has developed around Helena, Lincoln, Craig and Augusta this morning. Visibility is below a half mile in some areas. Those traveling early this morning should be alert for quickly changing visibility conditions. Reminder, reduce your driving speeds in areas of poor visibility.

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 0° at 1 kt, temperature 8C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests today areas of fog then partly sunny, high near 39F, low near 26F, 5% 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.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Today	Areas Of Fog then Partly Sunny	39/26	NNE 5 kt	–	5%
Monday	Mostly Cloudy	45/32	ENE 3 kt	–	54%
Tuesday	Chance Light Rain then Mostly Cloudy	50/32	WSW 18 kt	28 kt	32%	Strong winds in the forecast
Wednesday	Mostly Sunny	51/29	SSW 5 kt	–	18%
Thursday	Chance Light Snow	42/26	NNE 4 kt	–	52%
Friday	Chance Light Snow	40/25	NE 2 kt	–	33%
Saturday	Slight Chance Light Snow then Mostly Sunny	42/26	WSW 2 kt	–	20%

Source: National Weather Service (office TFX). Forecast issued 1412Z.

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

1 runway

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

1 runway · longest 3,650 ft

01/19

Dimensions

3,650 x 75 ft

Surface

Turf (good)

RWY 0129°T

Traffic patternLeft

RWY 19209°T

Traffic patternLeft

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

FIELD CONDITIONS

Field elevation

4,145 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

1404Z 8:04 AM

Loggable night

0055Z (6:55 PM local) → 1332Z (7:32 AM local)

end of evening to start of morning civil twilight

Position lights required

0023Z (6:23 PM local) → 1404Z (8:04 AM local)

sunset to sunrise (91.209)

Night passenger currency

0123Z (7:23 PM local) → 1304Z (7:04 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

Augusta Airport is in Augusta, Montana. Field elevation 4,145 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerTIM CONWAY

Manager phone406-444-2506

AttendedUNATNDD

CHARTS & AIRSPACE

ICAO / IATA3U5

SectionalGREAT FALLS

Center (ARTCC)SALT LAKE CITY

Flight service (AFSS)GREAT FALLS

RegionMontana

CountryUnited States

Coordinates47.4633, -112.3800

Distance from city2 NM SE

SERVICES & LIGHTING

Control towerNon-towered

CTAF122.900

FREQUENCIES

Communications

122.900

CTAF

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

3U5 has no on-field report. Nearest reporting station: KGTF (41 NM E, VFR).

KGTF Great Falls International Airport

41 NM E

VFR

KHLN Helena Regional Airport

VFR

KCTB Cut Bank International Airport

69 NM N

VFR

KMSO Missoula Montana Airport

77 NM SW

VFR

KBTM Bert Mooney Airport

91 NM S

VFR

AIRPORT REMARKS

Operational remarks

›GOPHER HOLES ON RWY SFC.

›UNLIMITED VEHICLE ACCESS TO ARPT.

›WILDLIFE ON & INVOF ARPT INCLUDING RATTLESNAKES.

›FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.

›NO SN REMOVAL

›SHOOTING RANGE ADJ TO ARPT.

›MKD WITH W CONES.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗3U5 on OurAirports

FREQUENTLY ASKED

Does 3U5 have a METAR?

No on-field METAR is issued for 3U5. This page uses the nearest reporting station as a reference.

Does 3U5 have a TAF?

No TAF is issued directly for 3U5. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at 3U5?

3U5 sits at 4,145 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for 3U5?

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.