Tiber Dam Airport (B70) Area Aviation Weather & Runway Winds
Aviation weather near Tiber Dam Airport in Chester, MT, decoded from the nearest reporting station (KSBX) — conditions, runway crosswinds, and free Telegram airport alerts.
Tiber Dam Airport (B70) is a general aviation airport serving pilots in and around Chester, MT at 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. Its 2 runways (12, 30) — longest 2,550 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KGTF. Track it in the ATIS Alerts Telegram bot to get alerts read from KSBX, the station this page is based on.
No weather station at this airport — showing the nearest station KSBX, 33.3 nm away.
Wind from the west-northwest (290°) at 10 kt, visibility 10+ statute miles, broken clouds at 5,500 ft, temperature 25°C (77°F), altimeter 29.90 inHg. Conditions are Visual Flight Rules (VFR), ceiling 5,500 ft.
METAR KSBX 290335Z AUTO 29010KT 10SM BKN055 25/06 A2990 RMK AO2
What changed at KSBX (nearest station)?
Since the 0315Z (9:15 PM MDT) report — compared automatically against the latest METAR.
- Gusts are no longer reported.
- A ceiling formed at 5,500 ft.
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Current pilot readout for B70
Based on the nearest station (KSBX), B70 is currently VFR with winds from 290° at 10 knots, visibility 10+ statute miles, and a 5,500 ft ceiling. The strongest crosswind component is currently on runway 12, about 9 knots. Density altitude is approximately 4,950 ft (field elevation 3,023 ft). B70 does not publish a TAF — the nearest TAF station is KGTF, about 51 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track B70 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at B70. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 12FAV | 2,550 ft | TURF-F | 3 kt head | 9 kt left |
| 30 | 2,550 ft | TURF-F | 3 kt head | 9 kt left |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 24 h: wind 13→10 kt, ceiling unlimited → 5,500 ft.
B70 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Tiber Dam Airport in Chester, MT: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around B70 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. 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 090030/TM 2315/FL110/TP C560/TB LGT CHOP BLO 110
GTF UAHeader — reporting station and UA: a routine pilot report.OV 090030Location — fix or navaid, optionally with a radial and distance in NM.TM 2315Reported at 23:15 UTC.FL110Altitude: 11,000 ft MSL.TP C560Aircraft type reporting.TB LGT CHOP BLO 110Turbulence: light chop blo 110.Show raw report
GTF UA /OV 170030/TM 2310/FL140/TP E75L/TB MOD BLO 160/RM TEMPERATURE INVERSION
GTF UAHeader — reporting station and UA: a routine pilot report.OV 170030Location — fix or navaid, optionally with a radial and distance in NM.TM 2310Reported at 23:10 UTC.FL140Altitude: 14,000 ft MSL.TP E75LAircraft type reporting.TB MOD BLO 160Turbulence: moderate blo 160.RM TEMPERATURE INVERSIONRemarks.⚠️ 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 72 observations, with 2 flight-category changes. The strongest gust reached 24 kt, the lowest ceiling was 5,500 ft. Wind most often came from the S.
Most recent change: IFR → VFR
Most recent change: IFR → VFR
- 12/30
- 100%
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Airport facts
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- B70
- City
- Chester
- State
- Montana
- Country
- United States
- Elevation
- 3,023 ft
- Coordinates
- 48.3137, -111.1081
- Runways
- 2
- Longest runway
- 2,550 ft
- Weather reporting
- Nearest station KSBX
- TAF
- Nearest KGTF
- Time zone
- America/Denver
- Next sunset
- 23h 18m
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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
B70 weather — frequently asked
What runways are available at B70?+
B70 has 2 runways — 12, 30; the longest is 2,550 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for B70 come from?+
Tiber Dam Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KSBX, about 33 nm away — close enough for situational awareness, but local conditions at B70 can differ.
Does B70 have a TAF?+
No — B70 does not publish its own TAF. The nearest TAF station is KGTF, about 51 nm away.
Does B70 broadcast D-ATIS?+
No — B70 does not broadcast D-ATIS. Alerts for B70 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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