WxDecoder

5IL1 Weather Olson Heliport

Pecatonica, IllinoisElevation 750 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KRFD · 12 NM SE · 9 min old
Ceiling 25,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KRFD
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
25,000 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 calm, visibility 10 SM, temperature 12C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy then patchy fog, low near 50F, 2% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy then Patchy Fog 50 NNW 9 kt – 2%
Monday Patchy Fog then Mostly Cloudy 64/47 ENE 9 kt 17 kt 3%
Tuesday Mostly Cloudy 68/54 SE 9 kt – 10%
Wednesday Mostly Sunny 71/56 S 13 kt – 30%
Thursday Chance Showers And Thunderstorms 74/53 SW 9 kt – 31% Thunderstorms in the forecast
Friday Chance Rain Showers 73/55 SE 9 kt – 41%
Saturday Rain Showers Likely 70/54 SSE 9 kt – 57%
Sunday Chance Rain Showers 68 SW 9 kt – 32%

Source: National Weather Service (office LOT). Forecast issued 0303Z.

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 5IL1. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 20 ft

H1
Dimensions
20 x 20 ft
Surface
Concrete
RWY H1

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
750 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2300Z 6:00 PM
Sunrise
1222Z 7:22 AM
Loggable night
2329Z (6:29 PM local) → 1154Z (6:54 AM local)
end of evening to start of morning civil twilight
Position lights required
2300Z (6:00 PM local) → 1222Z (7:22 AM local)
sunset to sunrise (91.209)
Night passenger currency
0000Z (7:00 PM local) → 1122Z (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

Olson Heliport is in Pecatonica, Illinois. Field elevation 750 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerRANDAL OLSON
Manager phone815-262-1662
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA5IL1
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates42.3461, -89.2865
Distance from city5 NM NE
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

5IL1 has no on-field report. Nearest reporting station: KRFD (12 NM SE, VFR).

KRFD Chicago Rockford International Airport
12 NM SE
VFR
KFEP Albertus Airport
14 NM SW
VFR
KJVL Southern Wisconsin Regional Airport
20 NM NE
VFR
KSQI Whiteside County Airport - Joseph H Bittorf Field
40 NM SW
VFR
KMSN Dane County Regional Truax Field
48 NM N
VFR
KARR Aurora Municipal Airport
50 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›APCH/DEP OPS FM 20 TO 50 DEG FM 110 TO 140 DEG AREA IS MARKED; WIND INDICATOR MAINTAINED.
›35 FT BLDGS 100 FT & 200 FT SW; 40 FT TREES 150 FT SW.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗5IL1 on OurAirports
FREQUENTLY ASKED
Does 5IL1 have a METAR?
No on-field METAR is issued for 5IL1. This page uses the nearest reporting station as a reference.
Does 5IL1 have a TAF?
No TAF is issued directly for 5IL1. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 5IL1?
5IL1 sits at 750 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 5IL1?
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.