WxDecoder

B70 Weather Tiber Dam Airport

Chester, MontanaElevation 3,023 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KSBX · 33 NM NW · 23 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 · KSBX
WIND
090@15
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No current METAR is available for this airport, so there is no observed aviation report to summarize. Forecast suggests today mostly sunny, high near 44F, low near 25F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Mostly Sunny 44/25 E 8 kt – 0%
Monday Patchy Fog then Partly Sunny 50/31 ESE 9 kt – 47%
Tuesday Chance Rain And Snow 52/31 WSW 13 kt 21 kt 54%
Wednesday Mostly Sunny 52/26 WSW 5 kt – 22%
Thursday Mostly Cloudy 41/23 NNE 4 kt – 40%
Friday Slight Chance Light Snow 40/23 ENE 4 kt – 24%
Saturday Partly Sunny 45/25 SW 3 kt – 15%

Source: National Weather Service (office TFX). Forecast issued 1738Z.

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 B70. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,550 ft

12/30
Dimensions
2,550 x 90 ft
Surface
Turf (good)
RWY 12
RWY 30

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
3,023 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0017Z 6:17 PM
Sunrise
1400Z 8:00 AM
Loggable night
0049Z (6:49 PM local) → 1328Z (7:28 AM local)
end of evening to start of morning civil twilight
Position lights required
0017Z (6:17 PM local) → 1400Z (8:00 AM local)
sunset to sunrise (91.209)
Night passenger currency
0117Z (7:17 PM local) → 1300Z (7:00 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

Tiber Dam Airport is in Chester, Montana. Field elevation 3,023 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 / IATAB70
SectionalGREAT FALLS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates48.3137, -111.1081
Distance from city1 NM SW
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES

Communications

122.900
CTAF
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

B70 has no on-field report. Nearest reporting station: KSBX (33 NM NW, VFR).

KSBX Shelby Airport
33 NM NW
VFR
KGTF Great Falls International Airport
51 NM S
VFR
KCTB Cut Bank International Airport
54 NM W
VFR
KHVR Havre City County Airport
55 NM E
VFR
CYQL Lethbridge County Airport
103 NM NW
VFR
AIRPORT REMARKS

Operational remarks

›12/30 MARKED WITH WHITE CONES FULL LENGTH SPACED EVERY 200 FT.
›ROAD XNG RWY NEAR MIDPT.
›FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
›RY 12/30 MAY BE ROUGH.
›NO SNOW REMOVAL.
›VFR USE ONLY.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗B70 on OurAirports
FREQUENTLY ASKED
Does B70 have a METAR?
No on-field METAR is issued for B70. This page uses the nearest reporting station as a reference.
Does B70 have a TAF?
No TAF is issued directly for B70. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at B70?
B70 sits at 3,023 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for B70?
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.