Avalanche Weather Guidance
Issued by NWS Portland, ME
Issued by NWS Portland, ME
610
FWUS41 KGYX 170830
AVGGYX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GRAY ME
430 AM EDT MON AUG 17 2026
...PRESIDENTIAL RANGE FORECAST AREA/MOUNT WASHINGTON (6,288 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV BK OV OV OV OV SC OV OV BK SC SC BK BK SC
CLOUD COVER (%) 80 80 80 70 75 85 80 75 45 70 75 60 45 40 55 70 40
TEMPERATURE 49 51 52 52 51 50 50 49 50 52 53 51 49 47 47 45 46
MAX/MIN TEMP 52 49 53 45
WIND CHILL 38 39
WIND DIR W W W W W NW NW NW N NW NW NW W W W W SW
WIND (MPH) 32 16 13 11 11 10 11 11 12 8 8 9 13 16 18 17 16
WIND GUST (MPH)
PRECIP PROB (%) 60 40 30 40 50 30 30 20 20 50 60 40 0 10 5 0 0
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.01 0.00 0.07 0.06 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) 13.4 12.9 12.8 12.2 12.0 11.9 11.2 10.3 9.4 9.5 9.9 9.6 9.2 8.9 8.6 9.2 9.2
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) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV OV OV BK OV BK SC SC SC SC BK SC
CLOUD COVER (%) 80 80 75 75 80 85 80 80 70 75 65 35 30 30 45 60 40
TEMPERATURE 57 61 62 62 61 60 59 58 60 64 65 64 59 56 55 54 56
MAX/MIN TEMP 63 58 66 54
WIND CHILL
WIND DIR SW SW SW SW W N N N N NW NW NW NW NW W S SW
WIND (MPH) 13 9 8 5 5 5 5 5 5 5 6 8 5 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 70 50 20 40 50 20 20 20 20 40 50 20 0 5 5 0 0
PRECIP TYPE R R T R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.03 0.01 0.01 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) 13.4 12.9 12.8 12.3 12.1 11.8 11.0 10.0 9.1 9.3 9.3 9.3 9.0 8.9 8.6 9.3 9.3
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 MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV BK BK SC BK OV BK SC SC SC BK SC
CLOUD COVER (%) 80 80 80 80 70 85 70 65 40 65 75 65 40 35 50 60 35
TEMPERATURE 57 61 62 62 61 60 59 58 60 64 66 66 61 58 56 55 57
MAX/MIN TEMP 63 58 67 55
WIND CHILL
WIND DIR SW SW SW SW W NW N N N N N NW NW W W W W
WIND (MPH) 12 8 6 4 4 4 4 4 5 4 4 5 5 6 8 6 6
WIND GUST (MPH)
PRECIP PROB (%) 70 40 30 40 50 30 30 20 10 50 60 50 0 10 5 0 0
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.01 0.00 0.08 0.07 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) 13.4 13.0 12.8 12.2 12.1 12.0 11.3 10.4 9.4 9.5 9.9 9.8 9.3 9.0 8.6 9.2 9.2
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) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK OV BK SC SC BK BK SC
CLOUD COVER (%) 80 80 80 75 75 85 75 75 70 70 70 55 40 30 50 60 45
TEMPERATURE 60 64 65 65 63 61 60 59 62 67 69 68 62 59 56 55 59
MAX/MIN TEMP 66 59 70 55
WIND CHILL
WIND DIR S S S S S N N NW NW NW NW NW NW W W W W
WIND (MPH) 8 5 6 4 2 2 2 2 2 2 4 3 3 3 2 3 2
WIND GUST (MPH)
PRECIP PROB (%) 60 40 20 30 50 30 20 20 20 50 60 30 0 10 5 0 0
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.01 0.01 0.02 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) 13.5 12.9 12.8 12.1 11.9 11.8 11.1 10.2 9.3 9.4 9.6 9.5 9.1 8.9 8.6 9.2 9.3
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
...KANCAMAGUS HIGHWAY PASS (2855 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV SC BK SC OV OV SC SC SC SC BK SC
CLOUD COVER (%) 85 80 85 80 85 85 45 55 35 70 80 50 35 25 40 55 30
TEMPERATURE 59 62 63 63 62 61 60 59 61 66 68 67 61 58 56 55 59
MAX/MIN TEMP 64 59 69 55
WIND CHILL
WIND DIR SW SW SW SW W N N N N N NW NW NW NW NW NW W
WIND (MPH) 8 5 4 3 2 2 2 2 3 2 3 3 2 3 4 4 3
WIND GUST (MPH)
PRECIP PROB (%) 80 50 30 40 30 30 20 20 10 60 70 30 0 10 5 0 0
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.07 0.01 0.01 0.00 0.01 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) 13.5 13.0 13.1 12.5 12.0 12.2 11.2 10.2 9.3 9.5 9.8 9.3 9.1 8.9 8.8 9.2 9.3
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 OSCEOLA (4340 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV SC BK SC OV OV SC SC SC SC BK SC
CLOUD COVER (%) 85 85 85 85 85 80 40 50 30 70 75 45 30 25 40 55 35
TEMPERATURE 56 58 59 59 58 58 57 57 59 62 63 62 58 56 54 54 56
MAX/MIN TEMP 59 57 64 54
WIND CHILL
WIND DIR SW SW SW SW W N N N N NW W NW NW NW NW NW W
WIND (MPH) 12 6 5 4 4 4 4 4 4 3 4 4 5 8 8 8 5
WIND GUST (MPH)
PRECIP PROB (%) 80 50 30 40 30 20 20 20 10 60 60 20 0 10 5 0 0
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.07 0.01 0.01 0.01 0.01 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) 13.5 13.0 13.0 12.5 12.0 12.2 11.2 10.1 9.3 9.4 9.6 9.2 9.0 8.9 8.7 9.2 9.3
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
...CANNON MOUNTAIN (4080 FT)...
DATE MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV OV OV BK BK BK SC SC SC SC BK SC
CLOUD COVER (%) 80 80 75 75 75 85 80 80 65 65 60 50 35 25 45 60 40
TEMPERATURE 57 61 63 63 61 60 59 58 60 64 66 65 60 57 56 55 57
MAX/MIN TEMP 64 58 67 55
WIND CHILL
WIND DIR SW S SW SW W N N N N NW NW NW NW NW N SE S
WIND (MPH) 14 8 6 4 4 5 5 5 5 5 5 6 6 5 5 5 5
WIND GUST (MPH)
PRECIP PROB (%) 70 50 20 40 50 20 20 20 20 30 40 20 0 5 5 0 0
PRECIP TYPE R R T R R R R R R R R R
6 HOUR QPF 0.01 0.01 0.04 0.01 0.00 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) 13.4 12.9 12.8 12.2 12.2 11.8 10.9 9.9 9.0 9.2 9.2 9.2 9.0 8.9 8.5 9.3 9.3
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 MONDAY 08/17/26 TUESDAY 08/18/26
TIME (LT) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV OV BK SC BK OV OV BK SC SC BK SC
CLOUD COVER (%) 80 85 80 85 85 85 70 60 45 60 80 70 50 40 50 55 40
TEMPERATURE 60 63 64 65 63 62 62 61 63 67 69 68 64 62 61 59 61
MAX/MIN TEMP 65 61 70 59
WIND CHILL
WIND DIR SW SW SW S S N N NW N N NE N NW W W W W
WIND (MPH) 9 5 5 4 2 2 2 2 3 2 2 2 2 2 3 4 2
WIND GUST (MPH)
PRECIP PROB (%) 60 40 30 40 50 30 30 40 10 30 70 60 0 20 10 0 0
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.02 0.01 0.01 0.01 0.03 0.05 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) 13.6 13.1 12.8 12.3 12.4 12.1 11.5 10.6 9.7 9.9 9.8 10.2 9.7 9.0 8.7 9.2 9.2
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) 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A
CLOUD COVER OV OV OV OV OV OV OV OV BK OV BK BK SC FW SC BK SC
CLOUD COVER (%) 80 85 80 75 85 80 70 70 60 70 55 55 35 20 45 55 45
TEMPERATURE 56 59 60 61 59 58 58 57 59 62 63 64 59 56 54 54 56
MAX/MIN TEMP 61 57 64 54
WIND CHILL
WIND DIR SW SW S S S N N N N NW NW NW NW N N E S
WIND (MPH) 11 6 4 3 4 5 5 5 5 4 5 5 5 5 5 4 5
WIND GUST (MPH)
PRECIP PROB (%) 70 50 20 40 50 20 20 30 10 30 30 30 0 5 5 0 0
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.07 0.01 0.02 0.01 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) 13.4 13.0 12.8 12.5 12.0 11.8 10.9 9.8 9.0 9.1 9.1 9.2 8.8 8.9 8.5 9.3 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