Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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FWUS45 KFGZ 171842
AVGFGZ
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1141 AM MST THU SEP 17 2026
...AGASSIZ PEAK...
DATE FRIDAY 09/18/26 SATURDAY 09/19/26
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 OV BK SC SC FW FW FW CL FW FW FW FW FW FW FW FW CL
CLOUD COVER (%) 85 55 50 25 20 10 5 5 10 15 10 10 15 10 5 10 5
TEMPERATURE 48 44 42 41 40 42 49 52 51 44 43 41 40 43 49 52 51
MIN/MAX TEMP 40 53 40 53
WIND DIR SW SW S S SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 6 4 6 9 10 9 11 12 13 10 9 8 8 5 8 10 9
WIND GUST (MPH) 17 20 20 16 16
PRECIP PROB (%) 10 5 10 10 0 0 5 5 0 0 0 0 0 0 0 0 0
PRECIP TYPE T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.00 0.00 0.00 0.00
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) 13.4 13.2 12.9 12.7 12.6 12.5 12.8 13.1 13.0 12.5 11.8 11.4 11.3 11.0 11.7 11.9 12.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 FW FW FW BK BK BK SC SC BK BK BK FW FW FW BK SC SC SC BK BK
CLOUD COVER (%) 10 15 25 50 55 55 35 50 55 55 55 25 15 20 55 35 35 40 60 60
TEMPERATURE 41 40 49 52 42 41 48 49 39 38 45 48 39 37 46 48 41 40 46 47
MAX/MIN TEMP 40 53 41 52 38 49 37 50 39 50
WIND DIR W W SW SW SW SW S SW SW SW S S S S SE SE E E E SE
WIND (MPH) 6 5 4 6 4 3 8 9 3 3 6 5 4 4 6 4 4 8 8 5
WIND GUST (MPH) 10 13 13 13 14 11
PRECIP PROB (%) 0 0 0 0 0 0 5 10 40 40 40 10 10 10 40 20 20 20 50 40
PRECIP TYPE T R R T 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) 11.6 11.1 11.5 11.9 11.7 11.7 12.2 12.4 12.1 12.0 12.1 12.2 12.1 12.0 12.4 12.9 12.8 12.8 13.0 13.4
SNOW RATIO (:1) 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
...INNER BASIN...
DATE FRIDAY 09/18/26 SATURDAY 09/19/26
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 OV BK SC SC FW FW CL CL FW FW FW FW FW FW CL FW CL
CLOUD COVER (%) 90 55 45 25 20 5 5 5 10 15 10 10 15 5 5 10 5
TEMPERATURE 57 50 47 46 44 51 63 63 58 51 46 45 43 51 62 64 60
MIN/MAX TEMP 43 65 42 65
WIND DIR SW SW S S SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 6 4 6 8 9 8 10 12 12 10 9 8 6 5 8 9 6
WIND GUST (MPH) 16 19 19 16 14 12
PRECIP PROB (%) 10 5 10 10 0 0 5 5 0 0 0 0 0 0 0 0 0
PRECIP TYPE T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.00 0.00 0.00 0.00
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) 13.4 13.3 13.0 12.7 12.6 12.5 12.9 13.0 12.9 12.4 11.8 11.4 11.3 11.1 11.7 11.9 12.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 FW FW FW BK BK BK SC SC BK BK BK FW FW FW BK SC SC SC BK BK
CLOUD COVER (%) 5 15 20 55 50 55 35 50 55 55 60 25 15 20 55 35 35 35 60 60
TEMPERATURE 46 43 62 60 47 45 61 57 45 43 58 55 45 43 59 56 47 44 58 55
MAX/MIN TEMP 42 65 44 64 41 61 40 62 43 62
WIND DIR W W SW SW SW SW S SW SW SW S S S S SE SE SE E E SE
WIND (MPH) 6 5 4 5 4 3 8 8 3 2 6 5 3 3 6 4 3 3 9 5
WIND GUST (MPH) 10 13 13 13 13 14 11
PRECIP PROB (%) 0 0 0 0 0 0 5 10 30 40 40 10 10 10 40 20 20 20 50 40
PRECIP TYPE T R R T T 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) 11.6 11.1 11.5 11.9 11.7 11.6 12.2 12.4 12.1 12.0 12.1 12.2 12.2 12.1 12.4 12.9 12.8 12.8 13.0 13.4
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