1
Runway
1
Frequency
0
Procedures
0
NOTAMs
Quick Facts
ICAO
KU91
FAA
U91
Elevation
5,144 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
42.373, -115.879
Airport Information
Facility Type
AIRPORT
Elevation
5,144 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
SALT LAKE CITY
Coordinates
42.3733, -115.8794
Ownership
Public
Hours of Operation
Current Weather
METAR K10U 272355Z AUTO 33012G24KT 10SM -TSRA FEW026 FEW036 BKN044 09/05 A2994 RMK AO2 LTG DSNT SE
Flight Category
VFR
Wind
330° at 12 kt G24
Visibility
10+ SM
Temperature
9°C
Dewpoint
5°C
Altimeter
1014.00 inHg
Weather
-TSRA
Cloud Cover
BKN
Nearest weather from K10U (31 NM away)
Observed 2026-06-27 23:55Z
Nearby Weather Cameras
No camera at KU91. Showing nearest cameras.
Deer
North · Camera 1 · 4 cameras total
40 NM away
Jacks Peak
SouthEast · Camera 3 · 4 cameras total
52 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 05/23 | 2,750 ft | 150 ft | DIRT | - |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| CTAF | 122.9 | GRASMERE |
Active NOTAMs
No active NOTAMs for KU91.
Nearby Airports in Idaho
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SALMON
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SALMON
- null — 45 Ranch Airport
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- null — 45 Ranch Old Airport
Grand View
- 30ID — 4Z RANCH
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Idaho airports
KU91 Operational Overview
Location & Facility
GRASMERE (KU91) is a publicly owned airport open to the public located in GRASMERE, Idaho, United States. The field sits at an elevation of 5,144 feet above mean sea level (MSL) at coordinates 42.3733°N, 115.8794°W.
Runways
GRASMERE has 1 runway. The longest runway (05/23) measures 2,750 feet by 150 feet with a dirt surface.
Communications & Operations
GRASMERE is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Weather Cameras
3 FAA Weather Cameras are available near GRASMERE, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at GRASMERE is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is KU91?
KU91 is the ICAO identifier for GRASMERE, a public-use airport located in GRASMERE, Idaho, United States.
How many runways does GRASMERE have?
GRASMERE (KU91) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KU91?
The field elevation of GRASMERE is 5,144 feet above mean sea level (MSL).
Is fuel available at KU91?
No fuel types are currently listed for GRASMERE. Contact the FBO directly for availability.
What are the current weather conditions at KU91?
The current flight category at GRASMERE is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KU91?
There are currently no active NOTAMs for GRASMERE.
How do I access complete data for KU91?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for GRASMERE.
Where is GRASMERE located?
GRASMERE (KU91) is located in GRASMERE, Idaho, United States, at an elevation of 5,144 ft MSL.
Does KU91 have weather cameras?
KU91 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.