// Station · 25m ago
KGTF
Great Falls International Airport
CAT VFR
WIND 180° / 12 kt
VIS 10+ SM
CEILING CLR
T/Td 27.8°C / 10.6°C
ALTIM 29.89 inHg
ELEV 3,680 FT
47.4820°N / 111.3710°W
LOCATION · Great Falls, US
WIND
180°12 kt
KGTF · 3,680 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
180°/12
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
28 / 11
ALTIM
29.89"
// Interpretation
VFR with moderate winds at 180°/12 kt. Visibility better than 10 statute miles and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR KGTF 111553Z 18012KT 10SM CLR 28/11 A2989 RMK AO2 SLP081 T02780106 $
KGTF · day 11 at 15:53 UTC · wind from 180° at 12 kt · visibility 10+ SM · temp 28°C / dewpoint 11°C · altimeter 29.89" Hg · automated station w/ precipitation discriminator · sea-level pressure 1008.1 mb
// Runway analysis · computed from current METAR wind
Wind 180° @ 12 kt
3 USABLE · 3 AVOID · 1 CAUTION
WIND
180°12 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
3 usable
17★
HDG 170°
H12 kt
X2 kt RIGHT
PRIMARY · 6,030'
21
HDG 210°
H10 kt
X6 kt LEFT
10,502'
25
HDG 250°
H4 kt
X11 kt LEFT
⚠ HIGH XW · 92%
TAILWIND ENDS · AVOID
3 ends
07
HDG 070°
T4 kt
X11 kt RIGHT
—
03
HDG 030°
T10 kt
X6 kt RIGHT
—
35
HDG 350°
T12 kt
X2 kt LEFT
—
Pattern altitude: 4,680 ft MSL (1,000 ft AGL).
Verify pattern direction and altitude with the chart supplement before flying.
// On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.
// Density altitude · ISA +20°C
6,100FT
+2,420 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +100 FT
24h AGO18h12h6hNOW
FIELD ELEV3,680 FT
OAT+28°C
ISA DELTA+20°C
PRESSURE ALT3,707 FT
// Performance equivalent
Operating here right now feels like operating at KRED
(Red Lodge Airport, Red Lodge, elev 5,763 ft)
on a standard ISA day.
// Aircraft performance impact
SIGNIFICANT
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+61%
-43%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+43%
-27%
Light jetCJ4, Phenom 300, M2
+24%
-18%
Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.
// Cloud layers · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC-7)
11:41ZSUNRISE
19:32ZSOLAR NOON
03:23ZSUNSET
04:02ZCIVIL END
CURRENT16:18Z
DAYLIGHT REMAINING11h 04m
VFR NIGHT BEGINS04:02Z (11h 43m)
DAY LENGTH15h 42m
Waning Crescent
ILLUMINATION11%
MOONRISE09:09Z
MOONSET00:51Z
FULL MOON IN18 days
// Nearest reporting stations · 5 shown · 100 NM (sparse area)
KGFA
VFR
Malmstrom Air Force Base · Great Falls
- WIND
- 250° / 3 kt
- VIS
- 10+ SM
- CEILING
- BKN150
- DIST
- 8 NM E
- AGE
- 1h 23m ago
K79S
VFR
Fort Benton Airport · Fort Benton
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- FEW160
- DIST
- 37 NM NE
- AGE
- 3m ago
KHLN
VFR
Helena Regional Airport · Helena
- WIND
- 310° / 4 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 58 NM SW
- AGE
- 25m ago
KSBX
VFR
Shelby Airport · Shelby
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 67 NM N
- AGE
- 23m ago
KCTB
VFR
Cut Bank International Airport · Cut Bank
- WIND
- 220° / 4 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 79 NM NW
- AGE
- 22m ago
// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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