Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
555
FWUS41 KGYX 152030
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EDT TUE SEP 15 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK BK OV SC BK BK BK OV OV BK OV OV OV OV OV OV
CLOUD COVER (%) 90 60 55 75 35 55 65 60 80 70 65 75 70 85 85 85 80
TEMPERATURE 39 40 40 41 44 51 53 52 49 47 46 44 45 47 48 48 48
MIN/MAX TEMP 38 55 42 50
WIND CHILL 28 29 28 29 33 39 38 35 37
WIND DIR W W W W W W W W NW NW W W W S SW SW SW
WIND (MPH) 23 26 33 37 36 26 29 31 32 26 20 23 21 16 16 14 18
WIND GUST (MPH)
PRECIP PROB (%) 0 0 20 20 5 0 5 5 5 5 0 0 0 20 30 40 40
PRECIP TYPE S R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.04
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) 12.2 14.1 13.8 13.9 13.4 11.9 11.6 10.7 9.8 9.3 8.9 8.9 9.8 10.1 10.5 11.9 12.3
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 WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK SC BK BK SC BK BK OV OV OV BK OV OV OV OV OV
CLOUD COVER (%) 80 60 50 65 60 40 60 60 75 75 70 55 80 85 80 85 85
TEMPERATURE 49 48 48 49 52 59 63 63 57 54 53 52 54 59 60 60 56
MIN/MAX TEMP 47 65 52 62
WIND CHILL
WIND DIR SW SW SW W W W W W NW NW NW W W SW SW SW SW
WIND (MPH) 12 16 18 19 18 12 13 14 16 12 8 9 9 6 8 6 8
WIND GUST (MPH)
PRECIP PROB (%) 0 5 20 20 5 0 0 5 5 5 0 0 0 20 40 40 40
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.03
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) 12.5 13.9 13.8 14.0 13.2 12.0 11.7 10.9 10.0 9.5 9.2 9.2 9.4 10.1 10.5 12.2 12.3
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 WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK BK OV SC SC SC SC BK BK BK OV OV OV OV OV OV
CLOUD COVER (%) 85 55 50 70 30 40 50 40 60 65 65 75 75 80 80 80 75
TEMPERATURE 50 49 49 49 53 63 66 65 58 55 54 53 54 59 60 60 57
MIN/MAX TEMP 47 67 52 62
WIND CHILL
WIND DIR SW SW W W W W W W NW NW W W W S S S S
WIND (MPH) 11 13 17 18 17 12 12 14 16 12 9 11 9 8 6 6 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 20 20 0 0 5 0 5 5 0 0 0 20 30 40 40
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.04
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) 11.9 14.1 13.8 13.9 13.4 12.0 11.6 10.7 9.9 9.3 8.9 8.9 9.9 10.1 10.6 12.0 12.4
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
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK BK BK SC BK BK BK OV OV BK BK OV OV OV OV OV
CLOUD COVER (%) 80 55 55 65 45 50 65 55 75 70 65 65 80 85 85 85 80
TEMPERATURE 52 50 49 50 55 65 69 68 59 56 55 54 55 63 64 64 59
MIN/MAX TEMP 48 70 53 66
WIND CHILL
WIND DIR S S S S N NW NW NW N NW N NE SE S S SW S
WIND (MPH) 6 6 4 3 4 4 6 5 3 3 2 2 3 4 6 4 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 20 20 0 0 0 0 5 5 0 0 0 20 30 40 40
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.03
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) 12.3 14.0 13.8 13.9 13.3 12.0 11.7 10.8 9.9 9.3 9.0 9.0 9.8 10.1 10.5 12.0 12.4
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
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK SC BK SC SC SC SC SC OV OV BK OV OV OV OV OV
CLOUD COVER (%) 65 60 45 55 25 30 50 45 50 75 80 50 80 85 85 80 80
TEMPERATURE 50 49 48 49 53 64 68 68 59 56 54 53 55 61 62 62 58
MIN/MAX TEMP 47 70 53 64
WIND CHILL
WIND DIR SW SW W W W W W W NW NW NW NW W S S S S
WIND (MPH) 6 8 9 10 9 6 8 9 9 6 5 5 3 4 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 0 0 20 20 5 0 0 0 0 0 0 0 0 20 30 50 40
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05
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) 12.3 14.1 13.8 14.0 13.4 12.2 11.9 11.2 10.3 9.7 9.4 9.4 9.8 10.3 11.2 12.3 12.6
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 OSCEOLA (4340 FT)...
DATE WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK SC BK SC SC SC BK BK OV OV BK OV OV OV OV OV
CLOUD COVER (%) 70 60 45 55 30 35 50 60 60 80 80 55 80 85 85 80 85
TEMPERATURE 49 48 46 47 51 59 63 63 56 54 52 52 54 57 57 57 55
MIN/MAX TEMP 46 64 52 59
WIND CHILL
WIND DIR SW SW W W W W W W NW NW NW NW W S S S S
WIND (MPH) 9 12 14 16 16 12 14 14 14 11 9 10 8 5 5 4 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 20 20 5 0 0 0 0 0 0 0 0 20 40 50 40
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.05
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) 12.4 14.0 13.8 14.0 13.4 12.2 11.9 11.2 10.3 9.8 9.5 9.4 9.9 10.3 11.3 12.4 12.5
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 WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK SC BK BK SC BK BK BK OV OV BK OV OV OV OV OV
CLOUD COVER (%) 70 55 45 65 55 45 55 55 65 75 75 50 80 85 75 85 80
TEMPERATURE 50 50 49 50 52 58 63 63 57 55 54 53 54 57 59 59 56
MIN/MAX TEMP 49 66 53 63
WIND CHILL
WIND DIR SW SW SW W W W W W NW NW NW W W S S S S
WIND (MPH) 11 13 17 18 17 12 14 14 14 11 8 9 9 6 6 5 8
WIND GUST (MPH)
PRECIP PROB (%) 0 5 0 5 5 0 0 0 0 5 0 0 0 20 40 40 40
PRECIP TYPE R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.03
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) 12.7 13.9 13.8 14.0 13.1 12.0 11.7 10.9 10.0 9.5 9.3 9.2 9.7 10.1 10.5 12.2 12.3
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 WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK OV OV SC SC BK OV SC BK OV OV OV OV OV OV OV
CLOUD COVER (%) 75 65 70 75 45 30 55 80 45 65 70 70 85 85 85 75 75
TEMPERATURE 53 51 51 52 54 64 70 69 61 59 57 57 57 61 63 63 59
MIN/MAX TEMP 50 71 56 65
WIND CHILL
WIND DIR SW SW SW W W S SE N NW NW NW NW W SE S S S
WIND (MPH) 4 5 4 2 2 1 3 2 4 5 4 3 2 3 4 3 2
WIND GUST (MPH)
PRECIP PROB (%) 0 0 20 20 5 0 0 0 0 0 0 0 0 10 20 40 40
PRECIP TYPE R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02
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) 10.5 14.1 13.8 13.9 13.5 12.2 11.7 10.8 10.0 9.4 9.0 8.9 9.3 10.1 10.6 12.1 12.3
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 WEDNESDAY 09/16/26 THURSDAY 09/17/26
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 BK SC BK SC SC BK BK BK OV BK OV OV OV OV OV OV
CLOUD COVER (%) 80 55 45 65 30 40 55 60 60 75 65 70 85 85 80 85 85
TEMPERATURE 49 49 48 49 50 58 62 62 56 54 53 52 54 57 58 58 55
MIN/MAX TEMP 48 63 52 59
WIND CHILL
WIND DIR SW SW SW W W W W W NW NW NW W W S S S S
WIND (MPH) 10 12 13 13 13 10 12 12 12 10 6 6 6 4 5 4 6
WIND GUST (MPH)
PRECIP PROB (%) 0 0 5 5 5 5 0 0 0 0 0 0 0 30 40 50 40
PRECIP TYPE R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.04
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) 13.4 13.8 13.7 14.0 13.2 12.1 11.9 11.1 10.3 9.7 9.5 9.4 9.8 10.3 11.1 12.4 12.4
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