WxDecoder

LL79 Weather Severson Airport

Rockford, IllinoisElevation 813 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KRFD · 12 NM S · 4 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 from 130° at 3 kt, visibility 10 SM, temperature 13C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy then patchy fog, low near 51F, 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 51 WSW 9 kt – 2%
Monday Patchy Fog then Mostly Cloudy 63/47 ENE 9 kt 17 kt 3%
Tuesday Mostly Cloudy 67/54 SE 9 kt – 10%
Wednesday Mostly Sunny 71/56 S 13 kt – 30%
Thursday Chance Showers And Thunderstorms 73/53 SW 9 kt – 30% Thunderstorms in the forecast
Friday Chance Rain Showers 72/55 SE 9 kt – 39%
Saturday Chance Rain Showers 69/54 SSE 9 kt – 57%
Sunday Chance Rain Showers 68 SW 9 kt – 33%

Source: National Weather Service (office LOT). Forecast issued 0157Z.

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 LL79. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,400 ft

N/S
Dimensions
2,400 x 100 ft
Surface
Turf
RWY N
Traffic patternLeft
RWY S
Traffic patternLeft

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
813 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2259Z 5:59 PM
Sunrise
1222Z 7:22 AM
Loggable night
2328Z (6:28 PM local) → 1153Z (6:53 AM local)
end of evening to start of morning civil twilight
Position lights required
2259Z (5:59 PM local) → 1222Z (7:22 AM local)
sunset to sunrise (91.209)
Night passenger currency
2359Z (6:59 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

Severson Airport is in Rockford, Illinois. Field elevation 813 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATALL79
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates42.3931, -89.1307
Distance from city8 NM NW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

LL79 traffic patterns

2026-07-28 to 2026-10-19, 2 days observed · data 2026-10-23

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

Busiest day: Tue · Busiest month: Oct

FLEET MIX

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C150 (Piston single) · ~0 landings/mo
›P28A (Piston single) · ~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

LL79 has no on-field report. Nearest reporting station: KRFD (12 NM S, VFR).

KRFD Chicago Rockford International Airport
12 NM S
VFR
KJVL Southern Wisconsin Regional Airport
14 NM N
VFR
KFEP Albertus Airport
22 NM SW
VFR
KMSN Dane County Regional Truax Field
46 NM N
VFR
KSQI Whiteside County Airport - Joseph H Bittorf Field
46 NM SW
VFR
KARR Aurora Municipal Airport
47 NM SE
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›EXISTED PRIOR TO 1959.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗LL79 on OurAirports
FREQUENTLY ASKED
Does LL79 have a METAR?
No on-field METAR is issued for LL79. This page uses the nearest reporting station as a reference.
Does LL79 have a TAF?
No TAF is issued directly for LL79. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at LL79?
LL79 sits at 813 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for LL79?
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.