Tiber Dam Airport (B70) Area Aviation Weather & Runway Winds
As of 9:55 AM MDT, Oct 28, based on the nearest station (KSBX), B70 is currently IFR with winds from 010° at 6 knots, visibility 7 statute miles, and a 900 ft ceiling.
Aviation weather near Tiber Dam Airport in Chester, MT, decoded from the nearest reporting station (KSBX): conditions and runway crosswinds.
Tiber Dam Airport (B70) is a general aviation airport serving pilots in and around Chester, MT at a field elevation of 3,023 ft. B70 has no weather station of its own. Conditions here are decoded from KSBX, about 33 nm away, the nearest reporting station, and local conditions can differ. It has one runway (12/30), the longest 2,550 ft. The nearest TAF is issued for KGTF.
No weather station at this airport: showing the nearest station KSBX, 33.3 nm away.
Wind from the north (010°) at 6 kt, visibility 7 statute miles, overcast at 900 ft, temperature 2°C (36°F), altimeter 29.98 inHg. Conditions are Instrument Flight Rules (IFR), ceiling 900 ft.
METAR KSBX 281555Z AUTO 01006KT 7SM OVC009 02/02 A2998 RMK AO2
What changed at KSBX (nearest station)?
Since the 1535Z (9:35 AM MDT) report, compared automatically against the latest METAR.
- Mist ended (BR).
Current pilot readout for B70
Based on the nearest station (KSBX), B70 is currently IFR with winds from 010° at 6 knots, visibility 7 statute miles, and a 900 ft ceiling. the wind favors northwest-facing runway ends (30). Density altitude is approximately 2,100 ft (field elevation 3,023 ft). B70 does not publish a TAF. The nearest TAF station is KGTF, about 51 nm away.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 30FAV | 2,550 ft | TURF-F | 4 kt head | 5 kt right |
| 12 | 2,550 ft | TURF-F | 4 kt tail | 5 kt left |
Open the crosswind calculator to try your own wind and runway numbers →
B70 runways
1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.
- Status not monitoredRunway 12/302,550 × 90 ft · TURF-FCurrent useno stated-runway source at B70Wind
- 12
- 4 kt tailwind · 5 kt crosswind from left
- 30
- 4 kt headwind · 5 kt crosswind from right
no active equipment NOTAM receivedView Runway Intelligence →
“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 0→6 kt, ceiling unlimited → 900 ft.
B70 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Pilot reports (PIREPs) within 100 NM of B70
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
GTF UA /OV GTF290050/TM 1208/FL390/TP A359/RM MTN WAVE +/-10KTS /ZLC
GTF UAHeader: reporting station and UA: a routine pilot report.OV GTF290050Location: fix or navaid, optionally with a radial and distance in NM.TM 1208Reported at 12:08 UTC.FL390Altitude: 39,000 ft MSL.TP A359Aircraft type reporting.RM MTN WAVE +/-10KTS /ZLCRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at B70
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KSBX reported mostly VFR across 70 observations, with 3 flight-category changes. The strongest gust reached 28 kt, the lowest ceiling was 700 ft. Wind most often came from the N.
Most recent change: MVFR → IFR
Most recent change: MVFR → IFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 30
- 60%
- 12
- 40%
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Live crosswind meter
B70 has no weather feed online, so the wind comes from KSBX, 33 nm away.
Wind is 53° off runway 30, the end with the most headwind right now.
Have a weather station at B70? Help us make your field's weather available to every pilot, free. Add your field's wx station →Turf · 2,550 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Attended
- Unattended
- Transient parking
- Tie-downs
- Control tower
- None
- Wind indicator
- Unlighted
Airport
- Type
- General aviation airport
- FAA LID
- B70
- City
- Chester
- State
- Montana
- Country
- United States
- Elevation
- 3,023 ft
- Coordinates
- 48.3137, -111.1081
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 2,550 ft
- Weather reporting
- Nearest station KSBX
- TAF
- Nearest KGTF
- Time zone
- America/Denver
- Sunset in
- 7h 57m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
2 airports25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
Pilot PIREPs for Tiber Dam Airport (B70)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Tiber Dam Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for B70 yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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