ATIS Alerts

Mercer County Airport (C00) Area Aviation Weather & Runway Winds

Aviation weather near Mercer County Airport in Aledo, IL, decoded from the nearest reporting station (KMLI): conditions, runway crosswinds, and free Telegram airport alerts.

Mercer County Airport (C00) is a general aviation airport serving pilots in and around Aledo, IL at 740 ft. C00 has no weather station of its own. Conditions here are decoded from KMLI, about 16 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (17, 35), longest 2,480 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KMLI. Track it in the ATIS Alerts Telegram bot to get alerts read from KMLI, the station this page is based on.

VFR
Observed 0752Z (2:52 AM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KMLI, 15.8 nm away.

Wind
280° 3 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.01"
Temp / Dew
57°F / 14°C
dew 55°F / 13°C

Wind from the west (280°) at 3 kt, visibility 10+ statute miles, no cloud data, temperature 14°C (57°F), altimeter 30.01 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KMLI 130752Z AUTO 28003KT 10SM CLR 14/13 A3001 RMK AO2 SLP159 T01390128

What changed at KMLI (nearest station)?

Since the 0652Z (1:52 AM CDT) report, compared automatically against the latest METAR.

  • Temperature–dewpoint spread narrowed to 1°C. Watch for fog or low cloud.
  • Pressure rising: altimeter 29.99 → 30.01 inHg.

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Current pilot readout for C00

Based on the nearest station (KMLI), C00 is currently VFR with winds from 280° at 3 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 17, about 3 knots. Density altitude is approximately 650 ft (field elevation 740 ft). Review the latest TAF below for forecast changes before departure.

⚠️ 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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Runway 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 C00. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
35FAV3 kt head1 kt left
171 kt head3 kt left

Open the crosswind calculator to try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0102108Z20Z07Z

Over the last 23 h: wind 33 kt, ceiling unlimitedunlimited.

C00 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Live weather radar around Mercer County Airport in Aledo, 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 C00 is headed.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

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 C00

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KMLI reported mostly VFR across 28 observations, with 4 flight-category changes. The strongest gust reached 18 kt, the lowest ceiling was 2,700 ft. Wind most often came from the W.

Last 24 hours
VFR 89%MVFR 11%
Wind avg/max: 6/11 kt
Max gust: 18 kt
Lowest ceiling: 2,700 ft
Lowest vis: -
Prevailing wind: W
Category changes: 4

Most recent change: MVFRVFR

Last 7 days
VFR 90%MVFR 4%IFR 3%LIFR 3%
Wind avg/max: 6/15 kt
Max gust: 19 kt
Lowest ceiling: 200 ft
Lowest vis: 0.25 sm
Prevailing wind: E
Category changes: 12

Most recent change: MVFRVFR

Active Runway - past 30 days
35
66%
17
34%

TAF | Terminal Aerodrome Forecast

Issued 0520Z (12:20 AM CDT)

TAF KMLI 130520Z 1306/1406 33004KT P6SM FEW150 FM131500 01007KT P6SM BKN100 PROB30 1317/1321 4SM SHRA BR OVC050

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Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
C00
City
Aledo
State
Illinois
Country
United States
Elevation
740 ft
Coordinates
41.2486, -90.7371
Runways
2
Longest runway
2,480 ft
Weather reporting
Nearest station KMLI
TAF
Nearest KMLI
Time zone
America/Chicago
Next sunset
16h 10m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

All RC flying fields →

See all Illinois airports →

C00 weather: frequently asked

What runways are available at C00?+

C00 has 2 runways: 17, 35; the longest is 2,480 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for C00 come from?+

Mercer County Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KMLI, about 16 nm away, close enough for situational awareness, but local conditions at C00 can differ.

Does C00 have a TAF?+

Yes. The KMLI TAF is shown on this page below the current conditions.

Does C00 broadcast D-ATIS?+

No. C00 does not broadcast D-ATIS. Alerts for C00 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Mercer County Airport (C00)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Mercer County 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 C00 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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