Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
874
FWUS41 KGYX 102130
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 PM EST WED DEC 10 2025
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV OV BK BK OV OV OV OV OV BK BK BK BK BK
CLOUD COVER (%) 95 90 85 80 70 50 65 70 70 70 70 70 60 55 55 55 55
TEMPERATURE 15 17 17 12 7 5 0 -4 -6 -6 -6 -6 -5 -3 0 2 2
MIN/MAX TEMP 0 7 -7 3
WIND CHILL -6 -4 -4 -13 -24 -29 -36 -43 -47 -48 -48 -48 -46 -42 -36 -32 -32
WIND DIR SW SW SW W W W W W W W W W W W W W W
WIND (MPH) 32 33 35 46 64 78 77 82 90 96 97 98 97 92 78 72 67
WIND GUST (MPH) 88 108 105 113 125 133 134 136 134 126 108 100 85
PRECIP PROB (%) 100 60 50 40 30 10 20 30 50 50 30 20 20 10 10 5 10
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.12 0.15 0.11 0.15 0.20 0.10 0.05 0.00
6 HOUR SNOW 1.8 2.5 2.0 2.3 2.9 1.7 0.9 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 1.0 1.2 1.3 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 15 15 16 17 17 18 19 16 15 15 16 18 19 19 19 19 19
SNOW DENSITY (%) 6 6 6 5 5 5 5 6 6 6 6 5 5 5 5 5 5
...FRANCONIA NOTCH/MOUNT LAFAYETTE (4000 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK BK
CLOUD COVER (%) 95 90 90 90 75 70 80 85 85 80 80 80 65 60 60 60 60
TEMPERATURE 23 24 25 22 18 13 9 6 4 4 4 5 4 7 10 12 10
MIN/MAX TEMP 9 18 4 12
WIND CHILL 11 12 14 8 2 -6 -11 -16 -19 -19 -20 -18 -19 -15 -10 -7 -11
WIND DIR S SW SW SW W W W W W W W W W W W W W
WIND (MPH) 12 12 12 16 19 23 23 25 25 26 27 27 25 25 23 20 26
WIND GUST (MPH) 36 42 42 46 47 48 50 50 47 46 41 37 43
PRECIP PROB (%) 90 70 50 40 10 20 20 30 40 40 30 20 10 10 10 5 5
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.21 0.10 0.04 0.08 0.06 0.04 0.00 0.00
6 HOUR SNOW 2.8 1.5 0.8 1.3 1.0 0.7 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) 1.0 1.2 1.3 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 14 13 14 16 19 20 19 17 16 16 16 19 20 21 21 20 20
SNOW DENSITY (%) 7 7 7 6 5 5 5 5 6 6 6 5 5 4 4 5 5
...TUCKERMAN AND HUNTINGTON RAVINES (4500 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV BK SC BK BK BK BK BK BK BK BK SC BK BK
CLOUD COVER (%) 95 90 85 80 65 50 60 70 65 70 70 65 55 50 50 55 55
TEMPERATURE 22 24 25 22 19 15 10 7 4 5 5 5 4 8 11 11 11
MIN/MAX TEMP 11 19 4 12
WIND CHILL 10 13 14 8 2 -5 -12 -16 -21 -20 -21 -21 -22 -16 -11 -10 -9
WIND DIR SW SW SW SW W W W W W W W W W W W W W
WIND (MPH) 11 11 12 16 23 28 27 29 33 34 35 36 35 33 28 26 25
WIND GUST (MPH) 42 50 49 52 57 61 61 62 61 57 50 47 42
PRECIP PROB (%) 100 60 50 40 30 10 20 30 40 50 30 20 20 10 10 5 5
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.13 0.10 0.09 0.11 0.15 0.11 0.09 0.00
6 HOUR SNOW 1.8 1.5 1.6 1.8 2.4 2.0 1.7 0.0
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 0.9 1.2 1.3 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 14 14 14 15 17 18 20 17 16 16 17 19 19 19 19 19 19
SNOW DENSITY (%) 7 7 7 6 5 5 5 5 6 6 5 5 5 5 5 5 5
...CRAWFORD NOTCH AMC HIGHLAND CENTER (1900 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV OV BK OV OV OV OV OV OV BK BK BK BK BK
CLOUD COVER (%) 95 90 85 85 70 60 70 75 75 75 75 75 60 55 55 55 55
TEMPERATURE 25 27 28 25 22 17 14 10 9 7 7 8 7 10 14 14 13
MIN/MAX TEMP 14 22 6 14
WIND CHILL 16 18 19 13 7 -1 -5 -11 -13 -16 -16 -15 -16 -12 -5 -5 -4
WIND DIR S S SW W W NW W W W W W W W W W W W
WIND (MPH) 9 9 9 13 19 25 25 26 28 28 29 31 29 29 25 23 17
WIND GUST (MPH) 36 46 46 47 50 50 51 54 51 52 46 41
PRECIP PROB (%) 100 60 50 40 20 10 20 30 50 50 30 20 20 10 10 5 5
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.12 0.03 0.02 0.05 0.04 0.04 0.00 0.00
6 HOUR SNOW 1.5 0.4 0.4 0.9 0.7 0.7 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) 1.0 1.2 1.3 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 13 13 13 15 18 20 20 18 17 17 17 19 20 20 20 20 19
SNOW DENSITY (%) 7 7 7 6 5 5 5 5 5 5 5 5 5 5 5 5 5
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV BK SC BK OV OV OV BK BK SC SC SC SC SC
CLOUD COVER (%) 95 90 90 85 60 45 65 70 70 70 65 65 50 40 45 40 40
TEMPERATURE 23 25 26 24 21 17 13 10 8 7 6 7 7 11 14 14 13
MIN/MAX TEMP 14 21 6 15
WIND CHILL 14 16 18 13 7 0 -4 -9 -12 -14 -16 -14 -14 -8 -3 -3 -3
WIND DIR SW SW SW W W W W W W W W W W W W W W
WIND (MPH) 8 8 8 11 16 19 18 20 21 24 24 24 23 21 18 17 16
WIND GUST (MPH) 36 35 39 40 44 43 43 42 40
PRECIP PROB (%) 90 70 40 30 10 10 20 30 30 40 30 20 10 10 5 5 5
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.23 0.04 0.01 0.01 0.01 0.01 0.00 0.00
6 HOUR SNOW 2.9 0.6 0.2 0.2 0.2 0.2 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) 1.1 1.2 1.3 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 12 13 13 15 16 19 20 18 17 17 18 20 20 20 20 19 19
SNOW DENSITY (%) 8 7 7 6 6 5 5 5 5 5 5 5 5 5 5 5 5
...MOUNT OSCEOLA (4340 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV BK SC OV OV OV OV BK BK BK SC SC SC SC
CLOUD COVER (%) 95 90 90 90 60 50 70 75 75 70 70 65 50 45 45 45 45
TEMPERATURE 21 24 24 21 17 14 9 7 5 5 4 5 5 7 10 11 11
MIN/MAX TEMP 9 17 4 11
WIND CHILL 7 11 11 5 -2 -7 -13 -17 -22 -22 -24 -22 -21 -17 -11 -10 -10
WIND DIR SW SW SW W W W W W W W W W W W W W W
WIND (MPH) 16 16 16 20 27 29 26 33 39 41 41 41 37 33 26 27 27
WIND GUST (MPH) 49 52 47 58 66 71 71 70 64 57 47 48 44
PRECIP PROB (%) 90 70 40 30 10 10 20 30 30 40 30 20 10 5 5 5 5
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.24 0.03 0.01 0.00 0.01 0.00 0.00 0.00
6 HOUR SNOW 3.2 0.5 0.2 0.0 0.2 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) 1.1 1.2 1.3 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 13 13 14 16 17 20 19 17 16 17 18 19 20 20 20 20 19
SNOW DENSITY (%) 7 7 7 6 5 5 5 5 6 5 5 5 5 5 5 5 5
...CANNON MOUNTAIN (4080 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV BK BK BK BK BK
CLOUD COVER (%) 95 90 90 95 75 70 85 85 85 80 80 80 65 60 60 60 55
TEMPERATURE 22 24 26 22 18 14 9 7 6 5 5 6 5 7 10 13 12
MIN/MAX TEMP 9 19 5 14
WIND CHILL 8 10 13 7 0 -5 -12 -16 -18 -20 -20 -19 -19 -16 -10 -6 -7
WIND DIR S S SW SW W W W W W W W W W W W W W
WIND (MPH) 17 17 17 20 24 25 25 28 32 33 33 33 31 27 24 24 23
WIND GUST (MPH) 44 46 46 51 57 59 59 59 56 49 43 43
PRECIP PROB (%) 90 70 40 40 10 20 20 30 40 40 30 20 10 10 5 5 5
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.16 0.05 0.01 0.03 0.03 0.02 0.00 0.00
6 HOUR SNOW 2.1 0.8 0.2 0.5 0.5 0.4 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) 0.9 1.2 1.3 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 13 13 14 16 19 20 19 17 16 16 16 19 20 21 21 20 20
SNOW DENSITY (%) 7 7 7 6 5 5 5 5 6 6 6 5 5 4 4 5 5
...BALDFACE MOUNTAIN (3547 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV BK SC FW SC BK BK BK BK BK SC SC SC SC SC
CLOUD COVER (%) 95 90 80 70 50 25 40 50 55 60 55 55 45 35 35 40 40
TEMPERATURE 22 25 27 24 23 22 18 13 9 9 9 10 9 14 16 17 15
MIN/MAX TEMP 17 24 9 17
WIND CHILL 15 18 20 15 12 8 3 -4 -10 -11 -11 -10 -11 -4 0 2 1
WIND DIR SW SW SW SW W W W W W W W W W W W W W
WIND (MPH) 5 5 5 8 11 17 17 18 20 21 23 23 23 20 17 14 12
WIND GUST (MPH) 37 39 41 41 41 37
PRECIP PROB (%) 100 50 40 30 20 5 10 30 30 30 20 20 10 10 5 5 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.10 0.01 0.01 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 1.1 0.1 0.2 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) 0.6 0.8 1.0 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 12 11 11 12 16 16 20 18 17 17 18 19 19 18 18 19 18
SNOW DENSITY (%) 8 9 9 8 6 6 5 5 5 5 5 5 5 5 5 5 5
...MOUNT MOOSILAUKE (4802 FT)...
DATE THURSDAY 12/11/25 FRIDAY 12/12/25
TIME (LT) 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P
CLOUD COVER OV OV OV OV BK BK OV OV OV OV OV OV BK SC BK SC SC
CLOUD COVER (%) 95 90 90 90 70 60 80 80 85 80 75 75 60 50 55 45 45
TEMPERATURE 21 24 25 21 15 12 8 6 4 4 4 5 4 7 10 11 9
MIN/MAX TEMP 8 15 4 11
WIND CHILL 8 11 13 7 -2 -7 -12 -15 -19 -19 -19 -18 -18 -14 -8 -6 -10
WIND DIR S S SW SW W W W W W W W W W W W W W
WIND (MPH) 14 14 13 17 19 21 20 23 25 26 26 26 24 21 18 17 18
WIND GUST (MPH)
PRECIP PROB (%) 90 60 40 30 5 10 10 20 30 30 20 10 10 5 5 5 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.18 0.06 0.01 0.02 0.05 0.00 0.00 0.00
6 HOUR SNOW 2.4 1.0 0.2 0.3 0.8 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) 0.9 1.2 1.3 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
SNOW RATIO (:1) 14 14 14 16 18 21 18 16 16 16 17 19 20 21 20 20 20
SNOW DENSITY (%) 7 7 7 6 5 4 5 6 6 6 5 5 5 4 5 5 5
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN