WxDecoder

90IL Weather Johnson Airport

Momence, IllinoisElevation 630 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KIKK · 15 NM SW · 24 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KIKK
WIND
060@6
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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 60° at 6 kt, visibility 10 SM, temperature 12.3C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy then patchy fog, low near 47F, 2% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy then Patchy Fog 47 ENE 4 kt – 2%
Tuesday Patchy Fog then Partly Sunny 72/50 SE 4 kt – 4%
Wednesday Mostly Sunny 74/53 S 4 kt 13 kt 1%
Thursday Slight Chance Rain Showers 78/53 SW 9 kt – 18%
Friday Partly Sunny 76/54 E 4 kt – 15%
Saturday Slight Chance Rain Showers 74/54 SE 4 kt – 34%
Sunday Chance Rain Showers 73/54 S 4 kt – 36%
Monday Chance Rain Showers 71 S 4 kt – 44%

Source: National Weather Service (office LOT). Forecast issued 0258Z.

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 90IL. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

18/36
Dimensions
2,600 x 70 ft
Surface
TURF
FIELD CONDITIONS

Field elevation

Field elevation
630 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2253Z 5:53 PM
Sunrise
1215Z 7:15 AM
Loggable night
2322Z (6:22 PM local) → 1146Z (6:46 AM local)
end of evening to start of morning civil twilight
Position lights required
2253Z (5:53 PM local) → 1215Z (7:15 AM local)
sunset to sunrise (91.209)
Night passenger currency
2353Z (6:53 PM local) → 1115Z (6:15 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

Johnson Airport is in Momence, Illinois. Field elevation 630 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATA90IL
RegionIllinois
CountryUnited States
Coordinates41.1981, -87.5589
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

90IL traffic patterns

2026-06-15 to 2026-09-18, 2 days observed · data 2026-10-25

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

Busiest day: Fri · Busiest month: Sep

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›R44 (Helicopter) · ~1 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

90IL has no on-field report. Nearest reporting station: KIKK (15 NM SW, VFR).

KIKK Greater Kankakee Airport
15 NM SW
VFR
KRZL Jasper County Airport
23 NM SE
VFR
KVPZ Porter County Municipal Airport
29 NM NE
VFR
KJOT Joliet Regional Airport
34 NM NW
VFR
KLOT Lewis University Airport
34 NM NW
VFR
KMDW Chicago Midway International Airport
36 NM N
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗90IL on OurAirports
FREQUENTLY ASKED
Does 90IL have a METAR?
No on-field METAR is issued for 90IL. This page uses the nearest reporting station as a reference.
Does 90IL have a TAF?
No TAF is issued directly for 90IL. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 90IL?
90IL sits at 630 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 90IL?
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.