ATIS Alerts

Griffith-Merrillville Airport (K05C) Area Aviation Weather & Runway Winds

Aviation weather near Griffith-Merrillville Airport in Griffith, IN, decoded from the nearest reporting station (KGYY): conditions, runway crosswinds, and free Telegram airport alerts.

Griffith-Merrillville Airport (K05C) is a general aviation airport serving pilots in and around Griffith, IN at 634 ft. K05C has no weather station of its own. Conditions here are decoded from KGYY, about 6 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (08, 26), longest 4,900 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KGYY. Track it in the ATIS Alerts Telegram bot to get alerts read from KGYY, the station this page is based on.

VFR
Observed 0955Z (4:55 AM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KGYY, 5.9 nm away.

Wind
010° 8 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
29.96"
Temp / Dew
70°F / 21°C
dew 61°F / 16°C

Wind from the north (010°) at 8 kt, visibility 10+ statute miles, no cloud data, temperature 21°C (70°F), altimeter 29.96 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KGYY 130955Z AUTO 01008KT 10SM CLR 21/16 A2996 RMK AO2

What changed at KGYY (nearest station)?

Since the 0935Z (4:35 AM CDT) report, compared automatically against the latest METAR.

No significant changes since the 0935Z report, conditions are holding steady.

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Current pilot readout for K05C

Based on the nearest station (KGYY), K05C is currently VFR with winds from 010° at 8 knots, visibility 10+ statute miles, and no ceiling reported. The strongest crosswind component is currently on runway 08, about 8 knots. Density altitude is approximately 1,450 ft (field elevation 634 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 K05C. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
08FAV3 kt head8 kt left
263 kt tail8 kt right

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
0122310Z03Z09Z

Over the last 24 h: wind 58 kt, ceiling unlimitedunlimited.

K05C weather radar

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

Live weather radar around Griffith-Merrillville Airport in Griffith, IN: 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 K05C 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.

Pilot reports (PIREPs) within 100 NM of K05C

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP0539Z (12:39 AM CDT) · 66 NM SW of K05C · 41,000 ft MSL · GLF5
continuous light chop turbulence
Show raw report
TIP UA /OV RBS/TM 0539/FL410/TP GLF5/TB CONS LGT CHOP
TIP UAHeader: reporting station and UA: a routine pilot report.
OV RBSLocation: fix or navaid, optionally with a radial and distance in NM.
TM 0539Reported at 05:39 UTC.
FL410Altitude: 41,000 ft MSL.
TP GLF5Aircraft type reporting.
TB CONS LGT CHOPTurbulence: continuous light chop.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at K05C

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KGYY reported mostly VFR across 32 observations, with 2 flight-category changes. The strongest gust reached 20 kt, the lowest ceiling was 2,600 ft. Wind most often came from the N.

Last 24 hours
VFR 91%MVFR 9%
Wind avg/max: 7/15 kt
Max gust: 20 kt
Lowest ceiling: 2,600 ft
Lowest vis: -
Prevailing wind: N
Category changes: 2

Most recent change: MVFRVFR

Last 7 days
VFR 94%MVFR 4%LIFR 2%
Wind avg/max: 6/13 kt
Max gust: 211 kt
Lowest ceiling: 200 ft
Lowest vis: 5 sm
Prevailing wind: SE
Category changes: 14

Most recent change: MVFRVFR

Active Runway - past 30 days
08
52%
26
48%

TAF | Terminal Aerodrome Forecast

Issued 0903Z (4:03 AM CDT)

TAF KGYY 130903Z 1309/1406 36008KT P6SM BKN150 FM131500 35011KT P6SM BKN090 PROB30 1320/1323 02011KT -RA BKN070

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Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
05C
City
Griffith
State
Indiana
Country
United States
Elevation
634 ft
Coordinates
41.5198, -87.3995
Runways
2
Longest runway
4,900 ft
Weather reporting
Nearest station KGYY
TAF
Nearest KGYY
Time zone
America/Chicago
Next sunset
13h 50m

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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 Indiana airports →

K05C weather: frequently asked

What runways are available at K05C?+

K05C has 2 runways: 08, 26; the longest is 4,900 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for K05C come from?+

Griffith-Merrillville Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KGYY, about 6 nm away, close enough for situational awareness, but local conditions at K05C can differ.

Does K05C have a TAF?+

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

Does K05C broadcast D-ATIS?+

No. K05C does not broadcast D-ATIS. Alerts for K05C from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Griffith-Merrillville Airport (K05C)

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 Griffith-Merrillville 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 K05C 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.

From the ATIS Alerts team

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