WxDecoder

US-5103 Weather Fought'N'Won Ultralight Flightpark

Johnstown, ColoradoElevation 5,000 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KFNL · 8 NM NW · 57 min old
Ceiling 400 ft, visibility 10 SM, rain.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KFNL
WIND
090@13
steady
VISIBILITY
10 SM
16.1 km
CEILING
400 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 visibility 9 SM, temperature 8C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight rain showers likely, low near 43F, 62% 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 43 NNE 8 kt 14 kt 62%
Monday Chance Rain Showers then Partly Sunny 59/35 ENE 6 kt – 34%
Tuesday Patchy Fog then Mostly Sunny 66/35 NNE 4 kt – 0%
Wednesday Mostly Sunny 67/37 SSW 4 kt – 0%
Thursday Mostly Sunny 66/38 S 3 kt – 0%
Friday Partly Sunny 67/40 NE 4 kt – 15%
Saturday Mostly Sunny 63/39 SE 3 kt – 10%
Sunday Partly Sunny then Chance Rain Showers 62 NE 4 kt – 41%

Source: National Weather Service (office BOU). Forecast issued 0352Z.

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-5103. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

2 runways

02/20
Dimensions
450 x 35 ft
Surface
Dirt (fair)
RWY 02
RWY 20
15/33
Dimensions
300 x 35 ft
Surface
Dirt (fair)
RWY 15
RWY 33

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
5,000 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0005Z 6:05 PM
Sunrise
1322Z 7:22 AM
Loggable night
0033Z (6:33 PM local) → 1254Z (6:54 AM local)
end of evening to start of morning civil twilight
Position lights required
0005Z (6:05 PM local) → 1322Z (7:22 AM local)
sunset to sunrise (91.209)
Night passenger currency
0105Z (7:05 PM local) → 1222Z (6:22 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

Fought'N'Won Ultralight Flightpark is in Johnstown, Colorado. Field elevation 5,000 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerBILL MOORE
Manager phone(970) 587-2632
AttendedUNATTND
CHARTS & AIRSPACE
ICAO / IATAUS-5103
SectionalDENVER
Center (ARTCC)DENVER
Flight service (AFSS)DENVER
RegionColorado
CountryUnited States
Coordinates40.3414, -104.9226
Distance from city1 NM SE
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-5103 traffic patterns

2026-07-12 to 2026-07-12, 1 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Sun · Busiest month: Jul

FLEET MIX

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~0 landings/mo
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-5103 has no on-field report. Nearest reporting station: KFNL (8 NM NW, LIFR).

KFNL Northern Colorado Regional Airport
8 NM NW
LIFR
KGXY Greeley–Weld County Airport
14 NM NE
LIFR
KBDU Boulder Municipal Airport
23 NM SW
MVFR
KBJC Rocky Mountain Metropolitan Airport
27 NM S
MVFR
KDEN Denver International Airport
31 NM S
LIFR
KCFO Colorado Air and Space Port
38 NM SE
LIFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC DENVER APCH AT 303-342-1916.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-5103 on OurAirports
FREQUENTLY ASKED
Does US-5103 have a METAR?
No on-field METAR is issued for US-5103. This page uses the nearest reporting station as a reference.
Does US-5103 have a TAF?
No TAF is issued directly for US-5103. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-5103?
US-5103 sits at 5,000 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-5103?
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.