Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
918
FWUS41 KGYX 162030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT SUN AUG 16 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV OV OV OV OV OV OV OV OV BK BK BK OV BK
CLOUD COVER (%) 65 85 90 90 80 90 85 75 75 85 80 80 65 65 70 75 55
TEMPERATURE 48 47 49 48 47 47 50 51 52 52 52 50 49 49 52 51 49
MIN/MAX TEMP 47 53 48 52
WIND CHILL 37 39 37 38
WIND DIR SW SW SW W W W W W W NW NW NW NW NW W SW SW
WIND (MPH) 23 34 42 47 31 16 13 17 14 16 16 17 13 5 4 6 11
WIND GUST (MPH)
PRECIP PROB (%) 10 60 80 80 60 50 40 40 40 40 30 30 20 20 20 20 5
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.12 0.71 0.08 0.02 0.06 0.02 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.2 13.2 13.7 13.8 13.5 13.0 12.6 12.3 11.7 11.3 10.9 9.9 9.5 9.4 9.6 9.8 9.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK SC
CLOUD COVER (%) 70 85 95 95 80 85 80 80 90 90 80 75 70 65 60 65 45
TEMPERATURE 60 58 57 56 56 59 61 62 61 59 58 58 57 61 64 64 59
MIN/MAX TEMP 55 63 57 65
WIND CHILL
WIND DIR S S SW W W SW SW W NW NW NW N N NW NW NW W
WIND (MPH) 4 12 12 13 8 4 6 6 5 8 6 6 5 4 5 4 4
WIND GUST (MPH)
PRECIP PROB (%) 10 70 80 90 70 50 40 40 50 50 30 30 20 20 20 20 5
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.18 0.49 0.11 0.02 0.11 0.01 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.7 13.4 13.7 13.9 13.5 13.0 12.6 12.2 11.8 11.5 10.7 9.7 9.4 9.2 9.2 9.5 9.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK OV SC
CLOUD COVER (%) 70 85 95 90 80 80 85 80 75 85 75 70 60 60 70 80 50
TEMPERATURE 60 57 57 56 56 60 62 63 61 60 60 59 58 62 65 65 60
MIN/MAX TEMP 55 63 57 66
WIND CHILL
WIND DIR SW SW W W W SW SW W NW NW NW NW NW N NW W SW
WIND (MPH) 5 9 13 16 9 5 6 6 5 8 6 6 5 3 3 3 4
WIND GUST (MPH)
PRECIP PROB (%) 10 60 80 80 60 50 40 40 40 40 30 30 20 20 20 20 5
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.11 0.53 0.09 0.03 0.05 0.01 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.3 13.1 13.7 13.8 13.5 13.1 12.6 12.3 11.7 11.3 10.9 10.0 9.6 9.5 9.5 9.9 9.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV OV OV OV OV OV OV OV OV BK BK BK OV SC
CLOUD COVER (%) 60 80 95 90 80 80 80 80 80 75 80 80 65 65 65 75 50
TEMPERATURE 63 59 58 57 59 62 64 65 64 62 60 59 60 66 69 68 62
MIN/MAX TEMP 57 66 58 70
WIND CHILL
WIND DIR S S S S S S S SW N NW N N N N NW NW W
WIND (MPH) 10 9 10 10 8 5 5 3 2 2 2 2 3 3 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 10 70 80 90 60 50 40 30 40 50 30 30 20 20 20 20 5
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.11 0.22 0.04 0.01 0.08 0.03 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.4 13.2 13.7 13.9 13.5 13.0 12.6 12.2 11.8 11.4 10.8 9.9 9.5 9.4 9.4 9.7 9.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK OV SC
CLOUD COVER (%) 70 90 90 95 85 85 90 80 85 80 80 70 55 60 65 75 45
TEMPERATURE 62 59 58 57 58 60 62 64 63 61 60 59 60 65 68 67 61
MIN/MAX TEMP 56 64 58 69
WIND CHILL
WIND DIR S SW SW W W W SW W W NW NW N N N NW W W
WIND (MPH) 1 4 8 9 5 4 3 4 3 3 4 4 3 2 3 2 2
WIND GUST (MPH)
PRECIP PROB (%) 10 80 80 90 80 70 50 40 30 40 20 30 20 20 20 20 10
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.15 0.50 0.18 0.03 0.02 0.01 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.7 13.3 13.8 13.9 13.6 13.1 12.7 12.4 11.7 11.7 10.9 10.0 9.6 9.3 9.3 9.7 9.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...MOUNT OSCEOLA (4340 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER BK OV OV OV OV OV OV OV OV OV OV BK BK BK BK OV SC
CLOUD COVER (%) 70 90 90 95 90 90 90 80 80 80 75 70 55 55 65 70 40
TEMPERATURE 59 57 57 56 55 56 58 60 60 59 58 58 58 60 63 63 59
MIN/MAX TEMP 55 60 56 64
WIND CHILL
WIND DIR S S SW W W W SW W NW NW NW N N NW W W W
WIND (MPH) 5 11 17 18 9 4 4 6 5 8 8 8 5 3 3 3 4
WIND GUST (MPH)
PRECIP PROB (%) 10 80 80 90 80 70 50 40 30 40 20 20 20 20 20 20 5
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.18 0.48 0.19 0.02 0.03 0.01 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.8 13.4 13.8 13.9 13.6 13.1 12.7 12.4 11.7 11.7 10.9 10.0 9.5 9.3 9.3 9.6 9.5
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...CANNON MOUNTAIN (4080 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK SC
CLOUD COVER (%) 70 85 95 95 80 80 80 85 85 90 75 75 65 60 55 60 40
TEMPERATURE 61 59 58 57 56 57 59 62 61 60 59 59 58 59 64 64 60
MIN/MAX TEMP 56 64 57 64
WIND CHILL
WIND DIR S S SW SW SW SW S SW W NW N N N NW NW NW W
WIND (MPH) 6 16 18 14 6 5 6 5 5 9 9 8 6 4 4 4 5
WIND GUST (MPH)
PRECIP PROB (%) 10 70 80 90 70 50 40 40 50 50 30 20 20 20 20 20 5
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.14 0.52 0.18 0.04 0.17 0.01 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.8 13.4 13.7 13.8 13.5 13.0 12.6 12.1 11.8 11.4 10.6 9.7 9.3 9.2 9.1 9.5 9.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...BALDFACE MOUNTAIN (3547 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK OV SC
CLOUD COVER (%) 85 85 95 90 85 95 85 80 90 85 75 65 55 60 70 80 50
TEMPERATURE 63 61 61 60 59 62 64 65 64 64 63 62 61 66 69 68 64
MIN/MAX TEMP 59 66 61 69
WIND CHILL
WIND DIR S S SW SW SW S SW S SW NW N N N NE NE SE SW
WIND (MPH) 6 4 6 10 9 5 5 3 2 2 2 3 3 2 2 2 2
WIND GUST (MPH)
PRECIP PROB (%) 5 60 70 80 60 50 40 40 30 30 30 30 20 20 20 20 10
PRECIP TYPE R R R R R R R R R R R R R R R
6 HOUR QPF 0.09 0.26 0.08 0.02 0.03 0.02 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 10.1 13.0 13.7 13.8 13.5 13.2 12.6 12.6 11.6 11.2 11.1 10.1 9.8 9.5 9.5 10.1 9.6
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...MOUNT MOOSILAUKE (4802 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV BK BK BK BK BK BK SC
CLOUD COVER (%) 95 90 95 95 85 85 90 85 90 80 65 70 65 60 50 55 45
TEMPERATURE 60 58 57 56 56 57 59 61 59 59 58 58 57 60 63 63 58
MIN/MAX TEMP 55 61 56 64
WIND CHILL
WIND DIR SE S SW SW SW SW S SW W NW NW N N NW NW NW NW
WIND (MPH) 5 13 13 11 4 3 4 4 5 8 9 9 6 4 4 4 4
WIND GUST (MPH)
PRECIP PROB (%) 5 80 80 90 80 60 40 40 40 50 30 20 10 10 20 20 5
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.27 0.47 0.18 0.02 0.11 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 11.2 13.5 13.8 13.9 13.5 13.1 12.8 12.1 11.6 11.5 10.6 9.7 9.2 9.1 9.1 9.5 9.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN