WxDecoder

US-4982 Weather Ashlawn Airport

Longmont, ColoradoElevation 5,313 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KBDU · 4 NM S · 22 min old
Ceiling 2,900 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBDU
WIND
320@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
2,900 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 30° at 8 kt, visibility 7 SM, temperature 9.8C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight rain showers likely, low near 41F, 57% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Rain Showers Likely 41 N 5 kt – 57%
Monday Patchy Fog then Mostly Sunny 59/35 ENE 4 kt – 17%
Tuesday Patchy Fog then Sunny 67/35 SW 5 kt – 0%
Wednesday Mostly Sunny 67/37 SSE 5 kt – 0%
Thursday Mostly Sunny 66/38 SE 3 kt – 1%
Friday Partly Sunny 66/40 SW 3 kt – 15%
Saturday Mostly Sunny then Slight Chance Rain Showers 62/39 E 2 kt – 15%
Sunday Partly Sunny then Chance Rain Showers 61 NNE 2 kt – 44%

Source: National Weather Service (office BOU). Forecast issued 0257Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for US-4982. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,200 ft

09/27
Dimensions
1,200 x 580 ft
Surface
Turf
RWY 09
RWY 27

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
5,313 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0007Z 6:07 PM
Sunrise
1323Z 7:23 AM
Loggable night
0035Z (6:35 PM local) → 1255Z (6:55 AM local)
end of evening to start of morning civil twilight
Position lights required
0007Z (6:07 PM local) → 1323Z (7:23 AM local)
sunset to sunrise (91.209)
Night passenger currency
0107Z (7:07 PM local) → 1223Z (6:23 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Ashlawn Airport is in Longmont, Colorado. Field elevation 5,313 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJEFFERSON LEEPER
Manager phone303-589-6800
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAUS-4982
SectionalCHEYENNE
Center (ARTCC)DENVER
Flight service (AFSS)DENVER
RegionColorado
CountryUnited States
Coordinates40.1106, -105.2352
Distance from city5 NM NE
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-4982 traffic patterns

2026-06-15 to 2026-10-18, 10 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.3
AVG OPS/DAY
2.5
Activity trend over 4 days: flat, from 2 to 2 operations per dayOperations trend (4 days)

Busiest day: Mon · Busiest month: Aug

FLEET MIX
Piston single 35%Other 24%Helicopter 24%Twin 12%Unknown 6%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›GLID (Other) · ~2 landings/mo
›BE40 (Helicopter) · ~1 landings/mo
›C150 (Piston single) · ~1 landings/mo
›GYRO (Helicopter) · ~1 landings/mo
›PA12 (Piston single) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly other aircraft.

›GLID (Other)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

US-4982 has no on-field report. Nearest reporting station: KBDU (4 NM S, MVFR).

KBDU Boulder Municipal Airport
4 NM S
MVFR
KBJC Rocky Mountain Metropolitan Airport
13 NM SE
MVFR
KFNL Northern Colorado Regional Airport
23 NM NE
IFR
KDEN Denver International Airport
30 NM SE
IFR
KBKF Buckley Space Force Base
33 NM SE
MVFR
KGXY Greeley–Weld County Airport
34 NM NE
LIFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC DENVER APCH AT 303-342-1916.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4982 on OurAirports
FREQUENTLY ASKED
Does US-4982 have a METAR?
No on-field METAR is issued for US-4982. This page uses the nearest reporting station as a reference.
Does US-4982 have a TAF?
No TAF is issued directly for US-4982. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4982?
US-4982 sits at 5,313 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4982?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.