ATIS Alerts

Martin State Airport (KMTN) Aviation Weather, METAR, TAF & ATIS Alerts

Live aviation weather for Martin State Airport in Baltimore, MD, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.

Martin State Airport (KMTN) is a regional airport serving Baltimore, MD at 21 ft. KMTN reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (15, 33), longest 6,999 ft, are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KMTN in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture: flight category, wind, or ceiling past your selected minimums.

MVFR
Observed 0535Z (1:35 AM EDT)live · refreshes every 60s
Wind
Calm
Visibility
10+ sm
Ceiling
1,200 ft
Altimeter
30.00"
Temp / Dew
75°F / 24°C
dew 69°F / 21°C

Wind calm, visibility 10+ statute miles, overcast at 1,200 ft, temperature 24°C (75°F), altimeter 30.00 inHg. Conditions are Marginal VFR (MVFR), ceiling 1,200 ft.

Raw METAR
METAR KMTN 130535Z AUTO 00000KT 10SM OVC012 24/21 A3000 RMK AO2 T02380207

What changed at KMTN?

Since the 0515Z (1:15 AM EDT) report, compared automatically against the latest METAR.

No significant changes since the 0515Z report, conditions are holding steady.

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Current pilot readout for KMTN

KMTN is currently MVFR with calm winds, visibility 10+ statute miles, and a 1,200 ft ceiling. Density altitude is approximately 1,000 ft (field elevation 21 ft). Review the latest TAF below for forecast changes before departure.

⚠️ 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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Staying over at KMTN

For pilots and crews overnighting at Martin State Airport (KMTN).

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Runway 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 KMTN. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.

RunwayHead / TailCrosswind
15--
33--

Open the crosswind calculator to try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
081605Z17Z05Z

Over the last 24 h: wind 00 kt, ceiling unlimited1,200 ft.

KMTN weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Live weather radar around Martin State Airport in Baltimore, MD: 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 KMTN is headed.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

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 KMTN

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP0415Z (12:15 AM EDT) · 16 NM W of KMTN · 1,200 ft MSL · C25A
Show raw report
BWI UA /OV BAL330006/TM 0415/FL012/TP C25A/SK BASES OVC015
BWI UAHeader: reporting station and UA: a routine pilot report.
OV BAL330006Location: fix or navaid, optionally with a radial and distance in NM.
TM 0415Reported at 04:15 UTC.
FL012Altitude: 1,200 ft MSL.
TP C25AAircraft type reporting.
SK BASES OVC015Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP0306Z (11:06 PM EDT) · 41 NM NW of KMTN · 2,500 ft MSL · C340
Show raw report
MDT UA /OV THV/TM 0306/FL025/TP C340/SK BKN025
MDT UAHeader: reporting station and UA: a routine pilot report.
OV THVLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0306Reported at 03:06 UTC.
FL025Altitude: 2,500 ft MSL.
TP C340Aircraft type reporting.
SK BKN025Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP0255Z (10:55 PM EDT) · 57 NM N of KMTN · 2,600 ft MSL · HELO
Show raw report
MDT UA /OV CXY/TM 0255/FL026/TP HELO/SK BKN026
MDT UAHeader: reporting station and UA: a routine pilot report.
OV CXYLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0255Reported at 02:55 UTC.
FL026Altitude: 2,600 ft MSL.
TP HELOAircraft type reporting.
SK BKN026Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP0238Z (10:38 PM EDT) · 16 NM W of KMTN · during descent · BCS3
Show raw report
BWI UA /OV BAL330006/TM 0238/FLDURD/TP BCS3/SK BKN022
BWI UAHeader: reporting station and UA: a routine pilot report.
OV BAL330006Location: fix or navaid, optionally with a radial and distance in NM.
TM 0238Reported at 02:38 UTC.
FLDURDReported during descent.
TP BCS3Aircraft type reporting.
SK BKN022Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP0134Z (9:34 PM EDT) · 87 NM W of KMTN · 15,000 ft MSL · E75L
continuous light turbulence
Show raw report
MRB UA /OV MRB240025/TM 0134/FL150/TP E75L/TB CONS LGT
MRB UAHeader: reporting station and UA: a routine pilot report.
OV MRB240025Location: fix or navaid, optionally with a radial and distance in NM.
TM 0134Reported at 01:34 UTC.
FL150Altitude: 15,000 ft MSL.
TP E75LAircraft type reporting.
TB CONS LGTTurbulence: continuous light.
PIREP0121Z (9:21 PM EDT) · 73 NM SE of KMTN · 2,000 ft MSL · E145
Show raw report
SBY UA /OV KSBY/TM 0121/FL020/TP E145/RM PILOT REPORTED BASES AT 2000 AND SMOOTH
SBY UAHeader: reporting station and UA: a routine pilot report.
OV KSBYLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0121Reported at 01:21 UTC.
FL020Altitude: 2,000 ft MSL.
TP E145Aircraft type reporting.
RM PILOT REPORTED BASES AT 2…Remarks.
PIREP0116Z (9:16 PM EDT) · 66 NM NW of KMTN · 19,000 ft MSL · CRJ9
moderate chop 16,000–19,000 ft turbulence
Show raw report
CXY UA /OV HAR/TM 0116/FL190/TP CRJ9/TB MOD CHOP 160-190
CXY UAHeader: reporting station and UA: a routine pilot report.
OV HARLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0116Reported at 01:16 UTC.
FL190Altitude: 19,000 ft MSL.
TP CRJ9Aircraft type reporting.
TB MOD CHOP 160-190Turbulence: moderate chop 16,000–19,000 ft.
PIREP0111Z (9:11 PM EDT) · 32 NM W of KMTN · 2,000 ft MSL · SF50
Show raw report
BWI UA /OV BAL293021/TM 0111/FL20/TP SF50/SK BKN023
BWI UAHeader: reporting station and UA: a routine pilot report.
OV BAL293021Location: fix or navaid, optionally with a radial and distance in NM.
TM 0111Reported at 01:11 UTC.
FL20Altitude: hundreds of feet MSL. UNKN = unknown; DURC/DURD = during climb/descent.
TP SF50Aircraft type reporting.
SK BKN023Sky condition: cloud bases and tops in hundreds of feet MSL.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at KMTN

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KMTN reported mostly VFR across 39 observations, with 3 flight-category changes. The strongest gust reached 14 kt, the lowest ceiling was 1,200 ft. Wind most often came from the SE.

Last 24 hours
VFR 62%MVFR 38%
Wind avg/max: 3/10 kt
Max gust: 14 kt
Lowest ceiling: 1,200 ft
Lowest vis: -
Prevailing wind: SE
Category changes: 3

Most recent change: VFRMVFR

Last 7 days
VFR 96%MVFR 4%
Wind avg/max: 4/17 kt
Max gust: 21 kt
Lowest ceiling: 1,400 ft
Lowest vis: 10 sm
Prevailing wind: S
Category changes: 3

Most recent change: VFRMVFR

Active Runway - past 30 days
15
60%
33
40%

TAF | Terminal Aerodrome Forecast

Issued 0537Z (1:37 AM EDT)

TAF KMTN 130537Z 1306/1406 14003KT P6SM OVC012 FM130800 00000KT 6SM -SHRA BR BKN006 OVC012 FM131300 26003KT 6SM BR SCT006 OVC010 FM131600 29005KT P6SM FEW030 SCT050 FM140000 VRB03KT P6SM FEW040 SCT150

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Nearby TFRs

Active FAA TFRs near KMTN

FAA TFR data shows active temporary flight restrictions near KMTN.

Security TFR
WASHINGTON, DC., USA
Active 10.3 NM from KMTN
NOTAM: 4/9383
Active TFR
Timonium, MD
Active 11.9 NM from KMTN
Effective: Thursday, August 27, 2026 through Tuesday, October 13, 2026 UTC
NOTAM: 6/7351

View all active US TFRs → · Official FAA TFR ↗

Verify with official FAA TFR sources before flight.

Airport facts

Reference data from the OurAirports dataset.

Type
Regional airport
ICAO
KMTN
IATA
MTN
FAA LID
MTN
City
Baltimore
State
Maryland
Country
United States
Elevation
21 ft
Coordinates
39.3257, -76.4138
Runways
2
Longest runway
6,999 ft
Weather reporting
Reports METAR
TAF
Published
ATIS
124.925 MHz
AWOS/ASOS
124.925 MHz
CTAF
121.3 MHz
Time zone
America/New_York
Next sunset
17h 28m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

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Historical Flying Weather at KMTN

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KMTN reported VFR conditions during about 81.1% of valid daylight observations, with an estimated 248 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 5.2 kt, calm 31.2% of the time.

VFR Score
52
Wind Score
71
Reliability Score
50
National VFR rank
#583 of 1,400
Regional rank
#60
State rank
#9
Full historical breakdown
Daylight VFR
81.1%
MVFR
10.8%
IFR
5.7%
LIFR
2.5%
Est. VFR days/yr
248
Most VFR month
July
Fewest VFR month
December
Median ceiling
4,500 ft
Median visibility
10 sm
Calm wind
31.2%
Median wind
4 kt
Gusty hours
13.4%
Crosswind >15 kt
0.8%
Fog/mist days/yr
110
Thunderstorm days/yr
31
Summer density alt
1,553 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KMTN monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan81.18.75.84.5
Feb80.38.46.94.4
Mar80.39.56.63.6
Apr81.610.65.91.8
May76.213.38.42.1
Jun83.011.35.10.5
Jul87.310.42.30.1
Aug84.012.33.40.3
Sep80.512.06.11.4
Oct78.812.36.82.0
Nov83.49.54.32.9
Dec75.610.47.06.9

Average wind by month

047JanFebMarAprMayJunJulAugSepOctNovDec
KMTN average wind by month, 2006–2025
MonthMean wind (kt)
Jan5.8 kt
Feb6.1 kt
Mar6.5 kt
Apr6.4 kt
May5.1 kt
Jun5.1 kt
Jul4.5 kt
Aug4.0 kt
Sep3.9 kt
Oct4.5 kt
Nov5.0 kt
Dec4.8 kt

Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.

KMTN airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

The FAA airport diagram for Martin State Airport in Baltimore, MD shows the runway and taxiway layout across 2 runways, ramp areas, and hold-short positions. Review it before taxiing at an unfamiliar field.

Official FAA airport diagram · d-TPP cycle 2610 · Not for navigation. Download the official FAA PDF ↗

KMTN weather: frequently asked

What runways are available at KMTN?+

KMTN has 2 runways: 15, 33; the longest is 6,999 ft. This page computes the live crosswind for each runway end from the current wind.

Does KMTN report its own weather?+

Yes. Martin State Airport has its own weather station and publishes METAR observations, which this page decodes live.

Does KMTN have a TAF?+

Yes. The TAF is shown on this page below the current conditions.

Does KMTN broadcast D-ATIS?+

No. KMTN does not broadcast D-ATIS. Alerts for KMTN from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.

Where can I find the KMTN airport diagram?+

The official FAA airport diagram for Martin State Airport (KMTN) is shown on this page. It maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).

Pilot PIREPs for Martin State Airport (KMTN)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Martin State 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 KMTN 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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