Miley Memorial Field

KBPI / BPI

Big Piney, US

Last Updated
Apr 23, 10:40Z

Current Weather

Display Units
Fresh 17 min ago
10:40Z

☀️ Day
MVFR
Flight Rules
-1°C
Temperature
Dewpoint: -2°C
0 kt
3 SM
Visibility
1,500 ft
Ceiling
Above Ground Level
1010 hPa
QNH
Altimeter Setting

Raw METAR

SPECI KBPI 231040Z AUTO 00000KT 3SM -SN BR BKN015 OVC021 M01/M02 A2984 RMK AO2 SNB01 P0000 T10061017

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 6,990 ft
BKN 1,500 ft AGL
OVC 2,100 ft AGL
☁️
BKN
Broken (5/8-7/8 sky coverage)
1,500 ft
AGL (Above Ground)
8,490 ft AMSL
☁️
OVC
Overcast (8/8 sky coverage)
2,100 ft
AGL (Above Ground)
9,090 ft AMSL

Weather Briefing

MVFR

Miley Memorial Field is currently reporting marginal VFR (MVFR) conditions with overcast skies at 2,100 feet and 3 SM visibility.

Wind Analysis

Winds are calm, presenting no crosswind concerns for any runway.

Visibility & Ceiling

Visibility is 3 SM, below VFR minimums in some airspace classifications. Check local requirements before departing VFR. The ceiling is 1500 feet AGL (broken), placing conditions in the MVFR category.

Temperature & Moisture

Temperature is -1°C (30°F) with a dewpoint of -2°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely. Temperatures are at or below freezing. Check for icing conditions and ensure aircraft anti-ice/de-ice systems are operational if required.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Light Snow, Mist, Light Showers Rain, Light Showers SNRA. Winds are forecast to reach up to 30 knots during the period. Expect variable wind speeds ranging from 10 to 30 knots. There is a 30% probability of MVFR conditions with Light Snow, Mist between 08:00Z and 12:00Z. There is a 30% probability of MVFR conditions with Light Showers Rain between 22:00Z and 00:00Z. There is a 30% probability of MVFR conditions with Light Showers SNRA between 02:00Z and 04:00Z.

Pilot Recommendations

VFR pilots should exercise caution. Consider filing IFR if instrument rated, or postponing the flight if conditions are expected to deteriorate further. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1010 hPa
Sea Level Pressure
For altitude above MSL
QFE
777 hPa
Field Pressure
Height above aerodrome (6,990 ft)
Pressure Alt
7,088 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 6,846 ft
ISA Deviation: -2.0°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KBPI 230520Z 2306/2406 27010KT P6SM SCT035 BKN050 FM230800 30015G25KT P6SM SCT025 BKN040 OVC100 PROB30 2308/2312 5SM -SN BR SCT015 BKN025 FM231600 32020G30KT P6SM SCT035 BKN060 PROB30 2322/2324 5SM -SHRA BKN030 FM240000 28030G40KT P6SM SCT035 SCT050 FM240200 29025G35KT P6SM SCT035 BKN050 PROB30 2402/2404 5SM -SHSNRA BKN030
Upcoming Changes (Next 12 Hours)
10:56Z BASE
+0h
VFR 270° 10 kt
Visibility: >6SM
Ceiling: 5,000 ft
16:00Z FM231600
+6h
VFR 320° 20 kt
Visibility: >6SM
Ceiling: 6,000 ft
22:00Z PROB30
+12h
MVFR
Visibility: 5SM
Ceiling: 3,000 ft
Light Showers Rain

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
BPI
08
26
13
31

Runway Information

Runway Length Width Surface Heading Wind Component
08/26 3,300 ft 140 ft GRS 92°
0.0 kt 0.0 kt
92° angle
13/31 6,803 ft 75 ft ASP 147°
0.0 kt 0.0 kt
147° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KBPI

5,647 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
89.1%
MVFR
5.2%
IFR
3.1%
LIFR
2.6%

Miley Memorial Field enjoys predominantly VFR conditions, with visual flight rules prevailing 89.1% of the time. Prevailing winds are from the N averaging 8 knots, with gusts recorded up to 37 knots. Calm conditions occur 19.5% of the time. Temperature extremes range from -22°C to 26°C, reflecting significant seasonal variation. The best months for VFR flying are September, October, April.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 8 kt
Maximum Recorded: 37 kt
Calm Winds: 19.5%
Direction Distribution:
N
19.2%
NE
7.4%
E
10.8%
SE
3.3%
S
8.1%
SW
6.5%
W
11%
NW
14.3%

Temperature Range

Average: 1°C
Range: -22°C to 26°C
-22°C 26°C

Visibility

Average: 9.6 SM
Below 3 SM: 1.6%
Fog Frequency: 1.6%

Best Months for VFR

September October April

Runway Wind Analysis

Runway 08/26
Favorable wind: 100%
Avg crosswind: 5.4 kt
Runway 13/31
Favorable wind: 100%
Avg crosswind: 4.7 kt

Statistics computed from 5,647 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Miley Memorial Field - Airport Information

Airport Details

ICAO Code: KBPI
IATA Code: BPI
Type: medium airport
Status: active
Elevation: 6,990 ft MSL

Location

City: Big Piney
Country: US
Latitude: 42.585098°
Longitude: -110.111000°
Time Zone: Etc/GMT+7

Runway Information

Runway 08/26
Length: 3,300 ft
Width: 140 ft
Surface: GRS
ILS: No
Runway 13/31
Length: 6,803 ft
Width: 75 ft
Surface: ASP
ILS: No

About Miley Memorial Field

Overview

Miley Memorial Field serves Big Piney, Wyoming as a medium-sized airport situated at a high elevation of 6,990 feet MSL. The airport provides critical aviation infrastructure in a remote mountain region, supporting local transportation needs with two runways accommodating different aircraft types and operational requirements.

Flying Conditions

Pilots can expect predominantly VFR conditions, with 88.8% of observations showing favorable visual flight rules. The airport experiences significant temperature variation, ranging from -19°C to 26°C, with an average temperature of 1.4°C. September through November offer the most consistent VFR weather, with relatively stable wind conditions averaging 7.3 knots from a northerly direction.

Notable Features

Located at a high elevation of 6,990 feet, Miley Memorial Field presents unique challenges for aircraft performance and altitude-related operations. The airport features two distinct runways: a 3,300-foot grass runway (08/26) and a longer 6,803-foot asphalt runway (13/31), providing flexibility for different aircraft types and operational needs. Both runways demonstrate 100% favorable wind alignment, with modest average crosswind conditions.

Approach Considerations

Wind data indicates northerly prevailing winds with 21.3% calm periods, which allows pilots flexibility in runway selection. The 13/31 runway, being longer and paved, is likely preferred for most aircraft operations. Pilots should anticipate potential wind variations and be prepared for high-altitude airport characteristics, with careful attention to aircraft performance calculations given the elevation and temperature ranges.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.