William E. Koenig Airport (01IS) Area Aviation Weather & Runway Winds
Aviation weather near William E. Koenig Airport in Dow, IL, decoded from the nearest reporting station (KSET) — conditions, runway crosswinds, and free Telegram airport alerts.
William E. Koenig Airport (01IS) is a general aviation airport serving pilots in and around Dow, IL at 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. Its 2 runways (09, 27) — longest 1,300 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KSTL. Track it in the ATIS Alerts Telegram bot to get alerts read from KSET, the station this page is based on.
No weather station at this airport — showing the nearest station KSET, 7.4 nm away.
Wind from the east-northeast (070°) at 4 kt, visibility 10+ statute miles, no cloud data, temperature 24°C (76°F), altimeter 29.88 inHg. Conditions are Visual Flight Rules (VFR).
METAR KSET 290354Z AUTO 07004KT 10SM CLR 24/22 A2988 RMK AO2 SLP112 T02440217
What changed at KSET (nearest station)?
Since the 0254Z (9:54 PM CDT) report — compared automatically against the latest METAR.
No significant changes since the 0254Z report — conditions are holding steady.
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Current pilot readout for 01IS
Based on the nearest station (KSET), 01IS is currently VFR with winds from 070° at 4 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 09, about 4 knots. Density altitude is approximately 2,000 ft (field elevation 670 ft). 01IS does not publish a TAF — the nearest TAF station is KSTL, about 16 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track 01IS free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at 01IS. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 09FAV | 1,300 ft | TURF | 1 kt head | 4 kt right |
| 27 | 1,300 ft | TURF | 1 kt head | 4 kt right |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 4→4 kt, ceiling unlimited → unlimited.
01IS weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around William E. Koenig Airport in Dow, IL: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around 01IS is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
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 24 observations, with 0 flight-category changes. The lowest ceiling was 4,700 ft. Wind most often came from the NE.
History is still being collected — check back in a few days.
Get free ATIS alerts for 01IS
We'll message you on Telegram when a new report moves the picture near 01IS (William E. Koenig Airport) — alerts read from KSET, the station this page uses.
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Airport facts
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
- 2
- Longest runway
- 1,300 ft
- Weather reporting
- Nearest station KSET
- TAF
- Nearest KSTL
- Time zone
- America/Chicago
- Next sunset
- 20h 34m
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
01IS weather — frequently asked
What runways are available at 01IS?+
01IS has 2 runways — 09, 27; the longest is 1,300 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 01IS come from?+
William E. Koenig Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KSET, about 7 nm away — close enough for situational awareness, but local conditions at 01IS can differ.
Does 01IS have a TAF?+
No — 01IS does not publish its own TAF. The nearest TAF station is KSTL, about 16 nm away.
Does 01IS broadcast D-ATIS?+
No — 01IS does not broadcast D-ATIS. Alerts for 01IS from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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