Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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FWUS45 KFGZ 152205
AVGFGZ
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
304 PM MST TUE SEP 15 2026
...AGASSIZ PEAK...
DATE WEDNESDAY 09/16/26 THURSDAY 09/17/26
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER SC BK BK OV OV OV OV OV OV OV OV BK OV BK BK BK SC
CLOUD COVER (%) 45 65 65 75 85 90 85 85 80 100 75 65 75 60 60 60 45
TEMPERATURE 50 45 44 44 44 43 45 46 46 44 43 43 41 43 47 50 49
MIN/MAX TEMP 43 48 41 51
WIND DIR SW SW S S S SW S SW SW S S S SW S S S SW
WIND (MPH) 14 11 10 10 11 10 10 10 5 5 5 5 4 5 5 6 6
WIND GUST (MPH) 21 16 16 11 12
PRECIP PROB (%) 20 20 40 40 80 80 80 80 50 50 40 40 20 20 40 40 10
PRECIP TYPE T T R R R R R R T R R R R R T T T
6 HOUR QPF 0.00 0.02 0.11 0.13 0.03 0.09 0.00 0.07
12 HOUR QPF 0.02 0.24 0.12 0.07
LOW END QPF MM MM MM MM
HIGH END QPF MM MM MM MM
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
LOW END SNOW MM MM MM MM
HIGH END SNOW MM MM MM MM
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 14.0 13.9 14.0 14.0 14.1 14.3 14.3 14.4 14.4 14.2 14.2 14.0 13.9 14.0 14.0 14.0 13.9
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
TIME (LT) 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P
CLOUD COVER SC FW SC FW CL FW SC FW FW SC SC BK SC SC BK SC SC SC BK SC
CLOUD COVER (%) 30 25 30 20 5 5 30 20 10 25 30 50 35 35 50 40 45 30 60 40
TEMPERATURE 42 40 50 51 42 40 50 50 41 40 49 50 41 40 47 48 40 38 46 46
MAX/MIN TEMP 40 53 40 53 39 52 40 50 38 49
WIND DIR SW SW S SW SW SW SW SW SW W S SW SW SW S SW SW SW S S
WIND (MPH) 5 5 6 6 5 4 4 5 4 4 4 4 4 4 5 4 4 4 6 4
WIND GUST (MPH) 12 10 11 12
PRECIP PROB (%) 0 0 20 5 0 0 20 10 0 0 10 5 5 20 30 20 20 20 50 30
PRECIP TYPE T T T R T T R R T R
12 HOUR QPF 0.00 0.00
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 13.0 12.8 13.4 13.5 12.8 12.2 12.4 12.7 12.2 11.9 12.1 12.5 12.3 12.1 12.4 12.6 12.3 12.2 12.4 12.7
SNOW RATIO (:1) 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
...INNER BASIN...
DATE WEDNESDAY 09/16/26 THURSDAY 09/17/26
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER SC BK BK OV OV OV OV OV OV OV OV BK BK BK BK BK SC
CLOUD COVER (%) 40 60 60 70 80 85 85 85 75 95 75 65 70 55 60 60 50
TEMPERATURE 57 51 48 48 47 51 59 55 52 49 47 46 46 50 59 60 57
MIN/MAX TEMP 46 60 45 62
WIND DIR SW SW SW SW S S S SW SW S S S SW S S S SW
WIND (MPH) 13 10 9 10 11 10 10 9 5 5 5 5 4 4 5 6 5
WIND GUST (MPH) 20 16 11 12
PRECIP PROB (%) 20 20 40 40 80 80 80 80 50 50 40 40 20 20 40 40 10
PRECIP TYPE T T R R R R R R T R R R R R T T T
6 HOUR QPF 0.00 0.02 0.10 0.12 0.03 0.09 0.00 0.07
12 HOUR QPF 0.02 0.22 0.12 0.07
LOW END QPF MM MM MM MM
HIGH END QPF MM MM MM MM
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
LOW END SNOW MM MM MM MM
HIGH END SNOW MM MM MM MM
6 HOUR ICE 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
SNOW LEVEL (KFT) 14.0 13.9 14.0 14.0 14.1 14.3 14.3 14.4 14.4 14.2 14.2 14.0 13.9 14.0 14.0 14.0 13.8
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE FRI 09/18/26 SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26
TIME (LT) 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P
CLOUD COVER SC FW SC FW CL FW SC FW FW FW SC BK SC SC BK SC SC FW BK SC
CLOUD COVER (%) 30 20 30 20 5 5 35 20 10 25 25 50 35 35 50 40 45 25 60 40
TEMPERATURE 46 43 62 58 47 44 62 58 46 44 62 58 47 44 59 56 45 43 59 55
MAX/MIN TEMP 43 65 43 64 42 64 43 62 41 61
WIND DIR SW SW S SW SW SW SW SW SW W S SW SW SW S SW SW SW S S
WIND (MPH) 5 5 5 5 4 3 4 4 4 3 4 4 3 3 6 4 3 3 6 4
WIND GUST (MPH) 12 12
PRECIP PROB (%) 0 0 20 5 0 0 20 10 0 0 10 5 5 20 30 20 20 20 50 30
PRECIP TYPE T T T R T T R R T R
12 HOUR QPF 0.00 0.00
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 13.0 12.8 13.4 13.5 12.8 12.2 12.5 12.7 12.2 11.9 12.1 12.5 12.3 12.1 12.4 12.6 12.3 12.2 12.4 12.7
SNOW RATIO (:1) 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN