William E. Koenig Airport (01IS) Area Aviation Weather & Runway Winds
As of 1:54 PM CDT, Oct 28, based on the nearest station (KSET), 01IS is currently VFR with winds from 170° at 12 knots gusting 16, visibility 10+ statute miles, and no ceiling reported.
Aviation weather near William E. Koenig Airport in Dow, IL, decoded from the nearest reporting station (KSET): conditions and runway crosswinds.
William E. Koenig Airport (01IS) is a general aviation airport serving pilots in and around Dow, IL at a field elevation of 670 ft. 01IS has no weather station of its own. Conditions here are decoded from KSET, about 7 nm away, the nearest reporting station, and local conditions can differ. It has one runway (09/27), the longest 1,300 ft. The nearest TAF is issued for KSTL.
No weather station at this airport: showing the nearest station KSET, 7.4 nm away.
Wind from the south (170°) at 12 kt, gusting 16 kt, visibility 10+ statute miles, no cloud data, temperature 26°C (79°F), altimeter 30.15 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSET 281854Z AUTO 17012G16KT 10SM CLR 26/09 A3015 RMK AO2 SLP207 T02610089
What changed at KSET (nearest station)?
Since the 1754Z (12:54 PM CDT) report, compared automatically against the latest METAR.
- Gusts began, now gusting 16 kt.
- Pressure falling: altimeter 30.19 → 30.15 inHg.
Current pilot readout for 01IS
Based on the nearest station (KSET), 01IS is currently VFR with winds from 170° at 12 knots gusting 16, visibility 10+ statute miles, and no ceiling reported. the wind favors east-facing runway ends (09). Density altitude is approximately 1,900 ft (field elevation 670 ft). 01IS does not publish a TAF. The nearest TAF station is KSTL, about 16 nm away.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 09FAV | 1,300 ft | TURF | 2 kt head | 12 kt right (g16) |
| 27 | 1,300 ft | TURF | 2 kt tail | 12 kt left (g16) |
Open the crosswind calculator to try your own wind and runway numbers →
01IS runways
1 physical runway · 2 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.
- Status not monitoredRunway 09/271,300 × 100 ft · TURFCurrent useno stated-runway source at 01ISWind
- 09
- 2 kt headwind · 12 kt crosswind from right
- 27
- 2 kt tailwind · 12 kt crosswind from left
no active equipment NOTAM receivedView Runway Intelligence →
“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 7→12 kt, ceiling 12,000 ft → unlimited.
01IS weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.
Pilot reports (PIREPs) within 100 NM of 01IS
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
SET UA /OV STL315026 /TM 1503 /FL090 /TP C182 /SK OVC090-TOP110 /WX FV99SM /TA 08 /WV 00000KT /TB NEG /IC NEG /RM FV 99SM OUTSIDE CLDS
SET UAHeader: reporting station and UA: a routine pilot report.OV STL315026Location: fix or navaid, optionally with a radial and distance in NM.TM 1503Reported at 15:03 UTC.FL090Altitude: 9,000 ft MSL.TP C182Aircraft type reporting.SK OVC090-TOP110Sky condition: cloud bases and tops in hundreds of feet MSL.WX FV99SMWeather and flight visibility observed.TA 08Outside air temperature, °C.WV 00000KTWind (direction/speed) or wind-shear remarks.TB NEGTurbulence: none reported.IC NEGIcing: none reported.RM FV 99SM OUTSIDE CLDSRemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 01IS
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KSET reported mostly VFR across 25 observations, with 4 flight-category changes. The strongest gust reached 16 kt, the lowest ceiling was 12,000 ft. Wind most often came from the E.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 09
- 61%
- 27
- 39%
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Live crosswind meter
01IS has no weather feed online, so the wind comes from KSET, 7.4 nm away.
Wind is 80° off runway 09, the end with the most headwind right now.
Have a weather station at 01IS? Help us make your field's weather available to every pilot, free. Add your field's wx station →Turf · 1,300 ft. Headings from FAA runway data. Not for navigation.
Field aerial
North up
Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
Reference data from the OurAirports dataset.
- Type
- General aviation airport
- FAA LID
- 01IS
- City
- Dow
- State
- Illinois
- Country
- United States
- Elevation
- 670 ft
- Coordinates
- 39.0162, -90.3182
- Runways
- 1 physical runway · 2 runway ends
- Longest runway
- 1,300 ft
- Weather reporting
- Nearest station KSET
- TAF
- Nearest KSTL
- Time zone
- America/Chicago
- Sunset in
- 3h 44m
Run a flight school, FBO, or club here? Embed 01IS's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
9 airports+3 more within 25 NM
25–50 NM
7 airports+1 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Phantom Flyers RC Club 1 , Saint Charles, MO · 13 mi
- St Louis Regional Airport , East Alton, IL · 17 mi
- Mississippi Valley Soaring Association - Foley , Foley, MO · 22 mi
Pilot PIREPs for William E. Koenig Airport (01IS)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for William E. Koenig Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for 01IS yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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