544  
FWAK47 PAJK 171345  
AVGAJK  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE JUNEAU AK  
545 AM AKDT THU SEP 17 2026  
 
*** EXPERIMENTAL PRODUCT FOR EVALUATION ONLY ***  
 
THIS FORECAST IS FOR USE IN SNOW SAFETY ACTIVITIES AND EMERGENCY  
MANAGEMENT.  
 
...THE JUNEAU MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)  
AROUND DOWNTOWN JUNEAU AND DOUGLAS ISLAND...  
 
DATE THURSDAY 09/17/26 FRIDAY 09/18/26  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 70 65 65 75 75 70 80 100 100 100 100 100 100 100 100  
TEMPERATURE 44 46 48 50 48 47 45 45 45 45 45 45 46 48 47 46  
MAX/MIN TEMP 50 43 48 44  
WIND DIR S SE SE SE SE SE SE E E E E E SE SE SE SE  
WIND (MPH) 9 5 5 5 5 6 8 8 10 14 14 14 16 13 11 16  
WIND GUST (MPH) 33 33  
PRECIP PROB (%) 10 5 10 0 10 0 30 50 100 100 100 100 100 100 100 100  
PRECIP TYPE R R R R R R R R R R  
6 HOUR QPF MM MM MM MM MM MM MM MM  
6 HOUR SNOW MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 4.9 4.9 5.1 5.2 5.3 5.6 5.7 5.8 6.4 6.4 6.5 6.7 6.7 6.5 6.3 5.7  
SNOW RATIO (:1) 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 3  
 
   
..NEAR SEA LEVEL AROUND JUNEAU
 
 
DATE THURSDAY 09/17/26 FRIDAY 09/18/26  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 70 65 65 75 70 70 80 100 100 100 100 100 100 100 100  
TEMPERATURE 49 52 54 56 54 51 49 49 49 50 50 50 51 51 50 50  
MAX/MIN TEMP 56 47 52 48  
WIND DIR SE SE SE SE SE SE SE E E E E SE SE SE SE SE  
WIND (MPH) 5 6 5 5 5 5 5 6 8 11 12 13 13 10 9 11  
WIND GUST (MPH) 29 32  
PRECIP PROB (%) 10 5 10 5 10 0 30 50 100 100 100 100 100 100 100 100  
PRECIP TYPE R R R R R R R R R R  
6 HOUR QPF MM MM MM MM MM MM MM MM  
6 HOUR SNOW MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 4.9 4.9 5.1 5.2 5.3 5.6 5.7 5.8 6.3 6.4 6.6 6.7 6.7 6.5 6.3 5.7  
SNOW RATIO (:1) 2 2 1 1 1 2 2 2 2 2 2 2 2 2 2 2  
 
...THE KLONDIKE MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)  
ALONG THE KLONDIKE HIGHWAY AND TAIYA RIVER VALLEY...  
 
DATE THURSDAY 09/17/26 FRIDAY 09/18/26  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 80 80 80 80 85 80 70 80 95 100 100 100 100 100 100  
TEMPERATURE 44 44 47 48 46 47 47 47 46 46 46 46 45 47 47 47  
MAX/MIN TEMP 49 45 47 44  
WIND DIR SW SW SW SW S S S SW SW S S S S SW S S  
WIND (MPH) 19 13 12 13 11 9 9 8 5 5 6 6 6 12 17 21  
WIND GUST (MPH) 34  
PRECIP PROB (%) 10 20 20 20 10 20 20 30 40 80 100 100 100 100 100 100  
PRECIP TYPE R R R R R R R R R R R R R R  
6 HOUR QPF MM MM MM MM MM MM MM MM  
6 HOUR SNOW MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 4.9 4.9 5.1 5.1 5.0 4.8 4.6 4.5 4.5 5.0 5.3 5.5 5.7 5.7 5.6 5.3  
SNOW RATIO (:1) 4 4 4 4 4 4 5 5 4 4 5 4 4 4 4 5  
 
   
..NEAR SEA LEVEL AROUND SKAGWAY
 
 
DATE THURSDAY 09/17/26 FRIDAY 09/18/26  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 75 75 80 80 85 85 80 70 80 95 100 100 100 100 100 100  
TEMPERATURE 51 52 56 56 53 51 49 48 47 50 53 53 51 51 50 49  
MAX/MIN TEMP 57 46 55 47  
WIND DIR S S SW S S S S SW S S S S S S S SW  
WIND (MPH) 14 11 11 12 8 4 3 4 3 5 5 6 8 12 14 20  
WIND GUST (MPH) 33 36 39  
PRECIP PROB (%) 20 20 20 20 20 20 20 30 50 80 100 100 100 100 100 100  
PRECIP TYPE R R R R R R R R R R R R R R R R  
6 HOUR QPF MM MM MM MM MM MM MM MM  
6 HOUR SNOW MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 4.9 4.9 5.1 5.1 5.0 4.8 4.7 4.6 4.7 5.3 5.4 5.6 5.8 5.8 5.7 5.3  
SNOW RATIO (:1) 2 2 2 2 2 2 2 3 3 2 3 3 3 3 2 3  
 
...THE HAINES MOUNTAIN FORECAST COVERS THE MOUNTAINS (ABOVE 1000 FT)  
ALONG THE CHILKAT RIVER VALLEY AND THE TAKSHANUK MOUNTAINS...  
 
DATE THURSDAY 09/17/26 FRIDAY 09/18/26  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER BK BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 65 60 65 65 70 75 80 80 90 100 100 100 100 100 100 100  
TEMPERATURE 45 45 47 47 44 43 43 42 42 42 44 43 42 43 42 42  
MAX/MIN TEMP 47 41 45 40  
WIND DIR S S S S S SE S SE SE SE SE SE SE SE SE SE  
WIND (MPH) 5 5 5 5 4 2 3 3 4 6 5 5 5 5 6 6  
WIND GUST (MPH) 23 32 34 32  
PRECIP PROB (%) 10 10 20 20 10 10 30 40 60 100 100 100 100 100 100 90  
PRECIP TYPE R R R R R R R R R R R R R R R  
6 HOUR QPF MM MM MM MM MM MM MM MM  
6 HOUR SNOW MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 4.7 4.7 5.0 5.2 5.0 4.9 4.7 4.6 4.6 5.0 5.1 5.4 5.6 5.8 5.6 5.3  
SNOW RATIO (:1) 3 4 3 3 3 4 4 4 4 4 4 4 4 4 3 4  
 
...NEAR SEA LEVEL AROUND HAINES AND LOWER ELEVATIONS ALONG THE HAINES HIGHWAY...  
 
DATE THURSDAY 09/17/26 FRIDAY 09/18/26  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER BK BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 65 60 65 65 70 75 75 75 85 100 100 100 100 100 100 95  
TEMPERATURE 47 50 54 54 51 49 47 47 47 50 52 51 49 48 48 47  
MAX/MIN TEMP 55 45 53 44  
WIND DIR SE SE SE SE SE SE SE SE SE E SE SE SE SE SE SE  
WIND (MPH) 8 6 6 6 4 4 3 2 3 5 5 6 8 9 10 11  
WIND GUST (MPH) 25 21 26 32 42 44 44  
PRECIP PROB (%) 10 20 20 20 10 20 30 30 60 100 100 100 100 100 100 90  
PRECIP TYPE R R R R R R R R R R R R R R R  
6 HOUR QPF MM MM MM MM MM MM MM MM  
6 HOUR SNOW MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 4.8 4.8 5.1 5.2 5.1 4.9 4.8 4.7 4.8 5.3 5.4 5.6 5.9 5.9 5.7 5.3  
SNOW RATIO (:1) 2 2 2 2 2 2 2 2 2 2 3 3 3 3 2 3  
 

 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
 
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