ATIS Alerts

Dane County Regional Truax Field (KMSN) Aviation Weather, METAR, TAF & ATIS Alerts

Live aviation weather for Dane County Regional Truax Field in Madison, WI, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.

Dane County Regional Truax Field (KMSN) is a regional airport serving Madison, WI at 887 ft. KMSN reports its own METAR and publishes a TAF — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 6 runways (03, 14, 18, 21) — longest 9,006 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 KMSN 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 0353Z (10:53 PM CDT)live · refreshes every 60s
Wind
Calm
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
29.95"
Temp / Dew
17°C / 63°F
dew 14°C

Wind calm, visibility 10+ statute miles, no cloud data, temperature 17°C (63°F), altimeter 29.95 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KMSN 290353Z 00000KT 10SM CLR 17/14 A2995 RMK AO2 SLP137 LAST T01720139

What changed at KMSN?

Since the 0253Z (9:53 PM CDT) report — compared automatically against the latest METAR.

No significant changes since the 0253Z report — conditions are holding steady.

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

Current pilot readout for KMSN

KMSN is currently VFR with calm winds, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately 1,350 ft (field elevation 887 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 KMSN. 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
03
14
18
21
32
36

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
0132504Z14Z03Z

Over the last 23 h: wind 30 kt, ceiling unlimitedunlimited.

KMSN weather radar

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

Live weather radar around Dane County Regional Truax Field in Madison, WI: 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 KMSN is headed.

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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 KMSN

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

PIREP0340Z (10:40 PM CDT) · 64 NM E of KMSN · during descent · A319
Show raw report
MKE UA /OV MKE190000/TM 0340/FL000/TP A319/WV 010004/RM NEG WINDSHEAR-MICROBURST ON FINAL
MKE UAHeader — reporting station and UA: a routine pilot report.
OV MKE190000Location — fix or navaid, optionally with a radial and distance in NM.
TM 0340Reported at 03:40 UTC.
FL000Altitude: 0 ft MSL.
TP A319Aircraft type reporting.
WV 010004Wind (direction/speed) or wind-shear remarks.
RM NEG WINDSHEAR-MICROBURST …Remarks.
PIREP0217Z (9:17 PM CDT) · 63 NM NW of KMSN · 13,000 ft MSL · C441
Show raw report
VOK UA /OV VOK/TM 0217/FL130/TP C441/TB NEG
VOK UAHeader — reporting station and UA: a routine pilot report.
OV VOKLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0217Reported at 02:17 UTC.
FL130Altitude: 13,000 ft MSL.
TP C441Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0215Z (9:15 PM CDT) · 75 NM NE of KMSN · 20,000 ft MSL · PC12
Show raw report
SBM UA /OV SBM/TM 0215/FL200/TP PC12/TB NEG
SBM UAHeader — reporting station and UA: a routine pilot report.
OV SBMLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0215Reported at 02:15 UTC.
FL200Altitude: 20,000 ft MSL.
TP PC12Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0213Z (9:13 PM CDT) · 82 NM SE of KMSN · 23,000 ft MSL · B763
Show raw report
PWK UA /OV OBK/TM 0213/FL230/TP B763/TB NEG
PWK UAHeader — reporting station and UA: a routine pilot report.
OV OBKLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0213Reported at 02:13 UTC.
FL230Altitude: 23,000 ft MSL.
TP B763Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0208Z (9:08 PM CDT) · 70 NM SE of KMSN · during climb · CRJ2
Show raw report
ENW UA /OV ENW/TM 0208/FL160/TP CRJ2/TB NEG/RM DURC
ENW UAHeader — reporting station and UA: a routine pilot report.
OV ENWLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0208Reported at 02:08 UTC.
FL160Altitude: 16,000 ft MSL.
TP CRJ2Aircraft type reporting.
TB NEGTurbulence: none reported.
RM DURCRemarks.
PIREP0206Z (9:06 PM CDT) · 0 NM N of KMSN · 19,000 ft MSL · BCS1
Show raw report
MSN UA /OV MSN/TM 0206/FL190/TP BCS1/TB NEG
MSN UAHeader — reporting station and UA: a routine pilot report.
OV MSNLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0206Reported at 02:06 UTC.
FL190Altitude: 19,000 ft MSL.
TP BCS1Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0205Z (9:05 PM CDT) · 26 NM N of KMSN · 20,000 ft MSL · E75S
Show raw report
MSN UA /OV C47/TM 0205/FL200/TP E75S/TB NEG
MSN UAHeader — reporting station and UA: a routine pilot report.
OV C47Location — fix or navaid, optionally with a radial and distance in NM.
TM 0205Reported at 02:05 UTC.
FL200Altitude: 20,000 ft MSL.
TP E75SAircraft type reporting.
TB NEGTurbulence: none reported.
PIREP2319Z (6:19 PM CDT) · 75 NM S of KMSN · 32,000 ft MSL · CRJ7
Show raw report
PIA UA /OV BDF360045/TM 2319/FL320/TP CRJ7/TB NEG CHOP
PIA UAHeader — reporting station and UA: a routine pilot report.
OV BDF360045Location — fix or navaid, optionally with a radial and distance in NM.
TM 2319Reported at 23:19 UTC.
FL320Altitude: 32,000 ft MSL.
TP CRJ7Aircraft type reporting.
TB NEG CHOPTurbulence: none reported chop.

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

Recent aviation weather trends at KMSN

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KMSN reported mostly VFR across 27 observations, with 4 flight-category changes. The strongest gust reached 22 kt, the lowest ceiling was 1,300 ft. Wind most often came from the NE.

Last 24 hours
VFR 74%MVFR 26%
Wind avg/max: 8/14 kt
Max gust: 22 kt
Lowest ceiling: 1,300 ft
Lowest vis:
Prevailing wind: NE
Category changes: 4

Most recent change: MVFRVFR

Last 7 days
VFR 86%MVFR 9%IFR 3%LIFR 2%
Wind avg/max: 4/14 kt
Max gust: 22 kt
Lowest ceiling: 200 ft
Lowest vis: 1 sm
Prevailing wind: S
Category changes: 15

Most recent change: MVFRVFR

Active Runway - past 30 days
03
30%
18
19%
32
16%
21
15%
14
13%
36
7%

TAF — Terminal Aerodrome Forecast

Issued 0320Z (10:20 PM CDT)

TAF KMSN 290320Z 2903/2924 00000KT P6SM SKC

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Airport facts

Reference data from the OurAirports dataset.

Type
Regional airport
ICAO
KMSN
IATA
MSN
FAA LID
MSN
City
Madison
State
Wisconsin
Country
United States
Elevation
887 ft
Coordinates
43.1399, -89.3375
Runways
6
Longest runway
9,006 ft
Weather reporting
Reports METAR
TAF
Published
ATIS
124.65 MHz
CTAF
119.3 MHz
Time zone
America/Chicago
Next sunset
21h 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.

All RC flying fields →

See all Wisconsin airports →

Historical Flying Weather

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KMSN reported VFR conditions during about 76.3% of valid daylight observations, with an estimated 250 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 6.2 kt, calm 16.8% of the time.

VFR Score
37
Wind Score
66
Reliability Score
31
National VFR rank
#1151 of 1,400
Regional rank
#56
State rank
#26
Full historical breakdown
Daylight VFR
76.3%
MVFR
15.6%
IFR
6.5%
LIFR
2.6%
Est. VFR days/yr
250
Most VFR month
July
Fewest VFR month
December
Median ceiling
4,300 ft
Median visibility
10 sm
Calm wind
16.8%
Median wind
6 kt
Gusty hours
14.9%
Crosswind >15 kt
0.1%
Fog/mist days/yr
169
Thunderstorm days/yr
41
Summer density alt
2,348 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KMSN monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan57.925.310.85.9
Feb70.517.18.93.5
Mar73.116.27.63.0
Apr77.414.76.41.4
May81.112.05.41.4
Jun84.610.64.00.8
Jul87.69.32.60.5
Aug82.811.44.21.6
Sep81.711.74.42.2
Oct78.814.35.51.4
Nov71.719.17.02.3
Dec56.025.311.67.1

Average wind by month

049JanFebMarAprMayJunJulAugSepOctNovDec
KMSN average wind by month, 2006–2025
MonthMean wind (kt)
Jan6.4 kt
Feb6.7 kt
Mar7.2 kt
Apr7.8 kt
May6.6 kt
Jun5.7 kt
Jul4.8 kt
Aug4.6 kt
Sep5.2 kt
Oct6.0 kt
Nov6.7 kt
Dec6.4 kt

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

KMSN airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

The FAA airport diagram for Dane County Regional Truax Field in Madison, WI shows the runway and taxiway layout across 6 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 ↗

KMSN weather — frequently asked

What runways are available at KMSN?+

KMSN has 6 runways — 03, 14, 18, 21, 32, 36; the longest is 9,006 ft. This page computes the live crosswind for each runway end from the current wind.

Does KMSN report its own weather?+

Yes — Dane County Regional Truax Field has its own weather station and publishes METAR observations, which this page decodes live.

Does KMSN have a TAF?+

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

Does KMSN broadcast D-ATIS?+

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

Where can I find the KMSN airport diagram?+

The official FAA airport diagram for Dane County Regional Truax Field (KMSN) 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 Dane County Regional Truax Field (KMSN)

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 Dane County Regional Truax Field, 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 KMSN 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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