ATIS Alerts

Boulder Municipal Airport (KBDU) Aviation Weather, METAR, TAF & ATIS Alerts

Live aviation weather for Boulder Municipal Airport in Boulder, CO, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.

Boulder Municipal Airport (KBDU) is a general aviation airport serving pilots in and around Boulder, CO at 5,288 ft. KBDU reports its own METAR — decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 4 runways (08, 08G, 26, 26G) — longest 4,100 ft — are checked against the current wind in the crosswind table below. Track KBDU 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 0635Z (12:35 AM MDT)live · refreshes every 60s
Wind
300° 4 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.18"
Temp / Dew
21°C / 70°F
dew 18°C

Wind from the west-northwest (300°) at 4 kt, visibility 10+ statute miles, scattered clouds at 12,000 ft, temperature 21°C (70°F), altimeter 30.18 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KBDU 290635Z AUTO 30004KT 10SM SCT120 21/18 A3018 RMK AO2 LTG DSNT NE

What changed at KBDU?

Since the 0615Z (12:15 AM MDT) report — compared automatically against the latest METAR.

No significant changes since the 0615Z report — conditions are holding steady.

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

Current pilot readout for KBDU

KBDU is currently VFR with winds from 300° at 4 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 08, about 3 knots. Density altitude is approximately 6,950 ft (field elevation 5,288 ft). KBDU does not publish a TAF — the nearest TAF station is KBJC, about 9 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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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 KBDU. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
08FAV2 kt head3 kt left
08G2 kt head3 kt left
262 kt head3 kt left
26G2 kt head3 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
0102106Z18Z06Z

Over the last 24 h: wind 04 kt, ceiling unlimitedunlimited.

KBDU weather radar

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

Live weather radar around Boulder Municipal Airport in Boulder, CO: 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 KBDU 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 KBDU

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

PIREP0628Z (12:28 AM MDT) · 29 NM SE of KBDU · 8,000 ft MSL · B38M
Show raw report
DEN UA /OV DEN/TM 0628/FL80/TP B38M/TB NEG/RM SMOOTH
DEN UAHeader — reporting station and UA: a routine pilot report.
OV DENLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0628Reported at 06:28 UTC.
FL80Altitude — hundreds of feet MSL. UNKN = unknown; DURC/DURD = during climb/descent.
TP B38MAircraft type reporting.
TB NEGTurbulence: none reported.
RM SMOOTHRemarks.
PIREP0402Z (10:02 PM MDT) · 15 NM N of KBDU · 17,000 ft MSL · B737
moderate chop turbulence
Show raw report
DEN UA /OV 35 NW DEN/TM 0402/FL170/TP B737/TB MOD CHOP
DEN UAHeader — reporting station and UA: a routine pilot report.
OV 35 NW DENLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0402Reported at 04:02 UTC.
FL170Altitude: 17,000 ft MSL.
TP B737Aircraft type reporting.
TB MOD CHOPTurbulence: moderate chop.
PIREP0327Z (9:27 PM MDT) · 29 NM SE of KBDU · during descent · BCS3
Show raw report
DEN UA /OV DEN/TM 0327/FL060/TP BCS3/TB NEG/RM DURD RY16L DEN
DEN UAHeader — reporting station and UA: a routine pilot report.
OV DENLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0327Reported at 03:27 UTC.
FL060Altitude: 6,000 ft MSL.
TP BCS3Aircraft type reporting.
TB NEGTurbulence: none reported.
RM DURD RY16L DENRemarks.
PIREP0241Z (8:41 PM MDT) · 90 NM E of KBDU · 9,500 ft MSL · PA44
Show raw report
LIC UA /OV TXC220008 /TM 0241 /FL095 /TP PA44 /WX FV16SM /WV 27010KT /TB NEG /RM LTG NE-E
LIC UAHeader — reporting station and UA: a routine pilot report.
OV TXC220008Location — fix or navaid, optionally with a radial and distance in NM.
TM 0241Reported at 02:41 UTC.
FL095Altitude: 9,500 ft MSL.
TP PA44Aircraft type reporting.
WX FV16SMWeather and flight visibility observed.
WV 27010KTWind (direction/speed) or wind-shear remarks.
TB NEGTurbulence: none reported.
RM LTG NE-ERemarks.
PIREP0224Z (8:24 PM MDT) · 27 NM E of KBDU · 7,000 ft MSL · B737
Show raw report
DEN UA /OV DEN350005/TM 0224/FL070/TP B737/TB NEG
DEN UAHeader — reporting station and UA: a routine pilot report.
OV DEN350005Location — fix or navaid, optionally with a radial and distance in NM.
TM 0224Reported at 02:24 UTC.
FL070Altitude: 7,000 ft MSL.
TP B737Aircraft type reporting.
TB NEGTurbulence: none reported.
PIREP0127Z (7:27 PM MDT) · 29 NM SE of KBDU · during descent · E75L
Show raw report
DEN UA /OV DEN/TM 0127/FL060/TP E75L/TB NEG/RM DURD RY16R DEN
DEN UAHeader — reporting station and UA: a routine pilot report.
OV DENLocation — fix or navaid, optionally with a radial and distance in NM.
TM 0127Reported at 01:27 UTC.
FL060Altitude: 6,000 ft MSL.
TP E75LAircraft type reporting.
TB NEGTurbulence: none reported.
RM DURD RY16R DENRemarks.
PIREP0111Z (7:11 PM MDT) · 29 NM SE of KBDU · during climb · SW4
Show raw report
DEN UA /OV 30E/TM 0111/FLDURC/TP SW4/TB NEG BLO 160/IC NEG/RM VMC BLO 160
DEN UAHeader — reporting station and UA: a routine pilot report.
OV 30ELocation — fix or navaid, optionally with a radial and distance in NM.
TM 0111Reported at 01:11 UTC.
FLDURCReported during climb.
TP SW4Aircraft type reporting.
TB NEG BLO 160Turbulence: none reported blo 160.
IC NEGIcing: none reported.
RM VMC BLO 160Remarks.

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

Recent aviation weather trends at KBDU

From ATIS Alerts' hourly weather history.

Over the past 24 hours, KBDU reported mostly VFR across 72 observations, with 0 flight-category changes. The strongest gust reached 18 kt, the lowest ceiling was 5,500 ft. Wind most often came from the N.

Last 24 hours
VFR 100%
Wind avg/max: 4/11 kt
Max gust: 18 kt
Lowest ceiling: 5,500 ft
Lowest vis:
Prevailing wind: N
Category changes: 0
Last 7 days
VFR 100%
Wind avg/max: 4/20 kt
Max gust: 28 kt
Lowest ceiling: 5,000 ft
Lowest vis: 10 sm
Prevailing wind: SW
Category changes: 0
Active Runway - past 30 days
08/08G/26/26G
100%

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Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
ICAO
KBDU
IATA
WBU
FAA LID
BDU
City
Boulder
State
Colorado
Country
United States
Elevation
5,288 ft
Coordinates
40.0391, -105.2260
Runways
4
Longest runway
4,100 ft
Weather reporting
Reports METAR
TAF
Nearest KBJC
Time zone
America/Denver
Next sunset
19h 35m

Run a flight school, FBO, or club here? Embed KBDU's live status on your website — free →

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 Colorado airports →

Historical Flying Weather

2006–2025 · ATIS Alerts Flying Weather Index

Based on historical observations from 2006–2025, KBDU reported VFR conditions during about 90.5% of valid daylight observations, with an estimated 319 VFR flying days a year. August had the most VFR weather; February had the most instrument conditions. Surface winds averaged 4.0 kt, calm 32.3% of the time.

VFR Score
75
Wind Score
59
Reliability Score
49
National VFR rank
#113 of 1,400
Regional rank
#2
State rank
#14
Full historical breakdown
Daylight VFR
90.5%
MVFR
5.8%
IFR
2.9%
LIFR
1.4%
Est. VFR days/yr
319
Most VFR month
August
Fewest VFR month
February
Median ceiling
3,900 ft
Median visibility
10 sm
Calm wind
32.3%
Median wind
3 kt
Gusty hours
10.0%
Crosswind >15 kt
3.3%
Fog/mist days/yr
34
Thunderstorm days/yr
72
Summer density alt
7,935 ft

Flight category by month

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
VFRMVFRIFRLIFR
KBDU monthly flight-category distribution, 2006–2025
MonthVFR %MVFR %IFR %LIFR %
Jan87.75.74.32.3
Feb81.29.16.43.3
Mar86.47.04.02.6
Apr85.67.84.71.9
May84.211.03.11.7
Jun96.03.30.50.2
Jul96.42.50.90.2
Aug97.32.00.60.1
Sep93.54.11.51.0
Oct89.46.32.61.6
Nov89.35.53.71.5
Dec90.65.52.81.2

Average wind by month

036JanFebMarAprMayJunJulAugSepOctNovDec
KBDU average wind by month, 2006–2025
MonthMean wind (kt)
Jan4.2 kt
Feb4.9 kt
Mar4.8 kt
Apr5.0 kt
May4.1 kt
Jun3.9 kt
Jul3.5 kt
Aug3.5 kt
Sep3.1 kt
Oct3.5 kt
Nov4.0 kt
Dec4.2 kt

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

KBDU weather — frequently asked

What runways are available at KBDU?+

KBDU has 4 runways — 08, 08G, 26, 26G; the longest is 4,100 ft. This page computes the live crosswind for each runway end from the current wind.

Does KBDU report its own weather?+

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

Does KBDU have a TAF?+

No — KBDU does not publish its own TAF. The nearest TAF station is KBJC, about 9 nm away.

Does KBDU broadcast D-ATIS?+

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

Pilot PIREPs for Boulder Municipal Airport (KBDU)

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 Boulder Municipal 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 KBDU 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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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

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