ATIS Alerts

Harrisburg International Airport (KMDT) Aviation Weather, METAR, TAF & ATIS Alerts

Live aviation weather for Harrisburg International Airport in Harrisburg, PA, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.

Harrisburg International Airport (KMDT) is a regional airport serving Harrisburg, PA at 310 ft. KMDT reports its own METAR and publishes a TAF — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (13, 31) — longest 10,001 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 KMDT 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.

VFR
Observed 0256Z (10:56 PM EDT)live · refreshes every 60s
Wind
300° 11 kt
Visibility
10+ sm
Ceiling
15,000 ft
Altimeter
29.60"
Temp / Dew
21°C / 70°F
dew 20°C

Wind from the west-northwest (300°) at 11 kt, visibility 10+ statute miles, broken clouds at 15,000 ft, broken clouds at 25,000 ft, temperature 21°C (70°F), altimeter 29.60 inHg. Conditions are Visual Flight Rules (VFR), ceiling 15,000 ft.

Raw METAR
METAR KMDT 290256Z 30011KT 10SM BKN150 BKN250 21/20 A2960 RMK AO2 SLP022 T02110200 50003

What changed at KMDT?

Since the 0156Z (9:56 PM EDT) report — compared automatically against the latest METAR.

  • Wind speed up from 3 to 11 kt.

This is exactly what ATIS Alerts watches for you — get a Telegram message when KMDT's weather changes, free →

Current pilot readout for KMDT

KMDT is currently VFR with winds from 300° at 11 knots, visibility 10+ statute miles, and a 15,000 ft ceiling. The strongest crosswind component is currently on runway 13, about 1 knots. Density altitude is approximately 1,500 ft (field elevation 310 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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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 KMDT. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
31FAV11 kt head1 kt right
1311 kt tail1 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.

Wind (kt)Gusts (kt)Bottom strip — flight category:VFRMVFRIFRLIFRNo report
0244803Z16Z02Z

Over the last 23 h: wind 011 kt, ceiling 25,000 ft15,000 ft.

KMDT weather radar

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

Live weather radar around Harrisburg International Airport in Harrisburg, PA: 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 KMDT is headed.

Loading…
Loading radar…

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 KMDT

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

PIREP0346Z (11:46 PM EDT) · 81 NM NE of KMDT · 35,000 ft MSL · UAL228
Show raw report
ARP UAL228 4116N 07541W 0346 F350 TB MODERATE SK IN CLOUDS IC NONE
ARP UAL228 4116N 07541W 0346…Header — reporting station and UA: a routine pilot report.
PIREP0326Z (11:26 PM EDT) · 55 NM E of KMDT · 29,000 ft MSL · C56X
trace - light clear icing
Show raw report
PTW UA /OV PTW/TM 0326/FL290/TP C56X/TA M17/IC TRACE-LGT CLR
PTW UAHeader — reporting station and UA: a routine pilot report.
OV PTWLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0326Reported at 03:26 UTC.
FL290Altitude: 29,000 ft MSL.
TP C56XAircraft type reporting.
TA M17Outside air temperature, °C.
IC TRACE-LGT CLRIcing: trace - light clear.
PIREP0215Z (10:15 PM EDT) · 85 NM N of KMDT · 37,000 ft MSL · B763
moderate turbulence
Show raw report
IPT UA /OV FQM050020/TM 0215/FL370/TP B763/TB MOD
IPT UAHeader — reporting station and UA: a routine pilot report.
OV FQM050020Location — fix or navaid, optionally with a radial and distance in NM.
TM 0215Reported at 02:15 UTC.
FL370Altitude: 37,000 ft MSL.
TP B763Aircraft type reporting.
TB MODTurbulence: moderate.
PIREP0200Z (10:00 PM EDT) · 53 NM E of KMDT · 12,000 ft MSL · B752
light to moderate clear-air turbulence 7,000–12,000 ft turbulence
Show raw report
PTW UA /OV MXE/TM 0200/FL120/TP B752/TB LGT-MOD CAT 070-120
PTW UAHeader — reporting station and UA: a routine pilot report.
OV MXELocation — fix or navaid, optionally with a radial and distance in NM.
TM 0200Reported at 02:00 UTC.
FL120Altitude: 12,000 ft MSL.
TP B752Aircraft type reporting.
TB LGT-MOD CAT 070-120Turbulence: light to moderate clear-air turbulence 7,000–12,000 ft.
PIREP0132Z (9:32 PM EDT) · 0 NM NW of KMDT · 6,000 ft MSL · CRJ2
Show raw report
MDT UA /OV MDT/TM 0132/FL060/TP CRJ2/WX FV99SM/RM VFR
MDT UAHeader — reporting station and UA: a routine pilot report.
OV MDTLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0132Reported at 01:32 UTC.
FL060Altitude: 6,000 ft MSL.
TP CRJ2Aircraft type reporting.
WX FV99SMWeather and flight visibility observed.
RM VFRRemarks.
PIREP0117Z (9:17 PM EDT) · 94 NM W of KMDT · 28,000 ft MSL · C56
occasional moderate chop turbulence
Show raw report
JST UA /OV JST180025/TM 0117/FL280/TP C56/TB OCNL MOD CHOP
JST UAHeader — reporting station and UA: a routine pilot report.
OV JST180025Location — fix or navaid, optionally with a radial and distance in NM.
TM 0117Reported at 01:17 UTC.
FL280Altitude: 28,000 ft MSL.
TP C56Aircraft type reporting.
TB OCNL MOD CHOPTurbulence: occasional moderate chop.
PIREP0106Z (9:06 PM EDT) · 53 NM E of KMDT · 15,000 ft MSL · B737
continuous moderate turbulence
Show raw report
PTW UA /OV MXE/TM 0106/FL150/TP B737/TB CONS MOD/RM 070-160
PTW UAHeader — reporting station and UA: a routine pilot report.
OV MXELocation — fix or navaid, optionally with a radial and distance in NM.
TM 0106Reported at 01:06 UTC.
FL150Altitude: 15,000 ft MSL.
TP B737Aircraft type reporting.
TB CONS MODTurbulence: continuous moderate.
RM 070-160Remarks.
PIREP0059Z (8:59 PM EDT) · 53 NM E of KMDT · 9,000 ft MSL · B737
continuous moderate chop turbulence
Show raw report
PTW UA /OV MXE/TM 0059/FL090/TP B737/TB CONS MOD CHOP
PTW UAHeader — reporting station and UA: a routine pilot report.
OV MXELocation — fix or navaid, optionally with a radial and distance in NM.
TM 0059Reported at 00:59 UTC.
FL090Altitude: 9,000 ft MSL.
TP B737Aircraft type reporting.
TB CONS MOD CHOPTurbulence: continuous moderate chop.

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

Recent aviation weather trends at KMDT

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KMDT reported a mix of conditions, most often VFR across 38 observations, with 14 flight-category changes. The strongest gust reached 42 kt, the lowest ceiling was 1,100 ft. Wind most often came from the SE.

Last 24 hours
VFR 58%MVFR 24%IFR 13%LIFR 5%
Wind avg/max: 5/28 kt
Max gust: 42 kt
Lowest ceiling: 1,100 ft
Lowest vis:
Prevailing wind: SE
Category changes: 14

Most recent change: MVFRVFR

Last 7 days
VFR 97%MVFR 2%IFR 1%LIFR 1%
Wind avg/max: 5/20 kt
Max gust: 34 kt
Lowest ceiling: 1,600 ft
Lowest vis: 0.75 sm
Prevailing wind: NW
Category changes: 7

Most recent change: IFRVFR

Active Runway - past 30 days
31
64%
13
36%

TAF — Terminal Aerodrome Forecast

Issued 2334Z (7:34 PM EDT)

TAF KMDT 282334Z 2900/2924 32006KT P6SM FEW007 BKN060 FM290500 32005KT 5SM BR OVC020 FM290900 32009KT P6SM BKN035 FM291400 32011G19KT P6SM BKN050

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Airport facts

Reference data from the OurAirports dataset.

Type
Regional airport
ICAO
KMDT
IATA
MDT
FAA LID
MDT
City
Harrisburg
State
Pennsylvania
Country
United States
Elevation
310 ft
Coordinates
40.1928, -76.7623
Runways
2
Longest runway
10,001 ft
Weather reporting
Reports METAR
TAF
Published
ATIS
118.8 MHz
Time zone
America/New_York
Next sunset
20h 31m

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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.

All RC flying fields →

See all Pennsylvania airports →

Historical Flying Weather

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KMDT reported VFR conditions during about 80.7% of valid daylight observations, with an estimated 277 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 5.8 kt, calm 22.0% of the time.

VFR Score
51
Wind Score
68
Reliability Score
46
National VFR rank
#634 of 1,400
Regional rank
#65
State rank
#9
Full historical breakdown
Daylight VFR
80.7%
MVFR
11.8%
IFR
5.3%
LIFR
2.3%
Est. VFR days/yr
277
Most VFR month
July
Fewest VFR month
December
Median ceiling
6,000 ft
Median visibility
10 sm
Calm wind
22.0%
Median wind
5 kt
Gusty hours
10.3%
Crosswind >15 kt
0.2%
Fog/mist days/yr
152
Thunderstorm days/yr
29
Summer density alt
1,876 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KMDT monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan78.110.16.84.9
Feb79.09.37.64.1
Mar80.310.86.32.5
Apr81.712.25.21.0
May77.914.36.01.8
Jun84.111.34.00.6
Jul87.59.62.40.4
Aug84.112.33.00.6
Sep80.013.84.81.4
Oct79.513.74.82.0
Nov82.910.44.82.0
Dec72.114.08.25.7

Average wind by month

048JanFebMarAprMayJunJulAugSepOctNovDec
KMDT average wind by month, 2006–2025
MonthMean wind (kt)
Jan6.9 kt
Feb7.2 kt
Mar7.6 kt
Apr7.3 kt
May5.6 kt
Jun5.4 kt
Jul4.4 kt
Aug4.3 kt
Sep4.3 kt
Oct5.1 kt
Nov5.9 kt
Dec6.1 kt

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

KMDT airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

The FAA airport diagram for Harrisburg International Airport in Harrisburg, PA 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 2608 · Not for navigation. Download the official FAA PDF ↗

KMDT weather — frequently asked

What runways are available at KMDT?+

KMDT has 2 runways — 13, 31; the longest is 10,001 ft. This page computes the live crosswind for each runway end from the current wind.

Does KMDT report its own weather?+

Yes — Harrisburg International Airport has its own weather station and publishes METAR observations, which this page decodes live.

Does KMDT have a TAF?+

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

Does KMDT broadcast D-ATIS?+

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

Where can I find the KMDT airport diagram?+

The official FAA airport diagram for Harrisburg International Airport (KMDT) 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 Harrisburg International Airport (KMDT)

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 Harrisburg International 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 KMDT 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.

From the ATIS Alerts team

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