Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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FWUS45 KFGZ 181005
AVGFGZ
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
304 AM MST TUE AUG 18 2026
...AGASSIZ PEAK...
DATE TUESDAY 08/18/26 WEDNESDAY 08/19/26
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER FW FW SC OV BK SC SC FW FW FW BK BK SC SC FW FW FW
CLOUD COVER (%) 5 5 45 75 65 35 25 20 25 20 65 65 40 35 20 15 20
TEMPERATURE 49 54 59 62 61 55 52 51 50 55 62 62 59 55 52 50 49
MAX/MIN TEMP 62 50 63 49
WIND DIR SW SW SW W W W NW W W W W W W W W W W
WIND (MPH) 8 4 4 6 6 9 10 11 8 6 3 5 6 10 12 12 11
WIND GUST (MPH) 10 11
PRECIP PROB (%) 0 0 10 10 5 5 0 0 5 5 50 50 0 0 0 0 0
PRECIP TYPE T T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.06 0.00 0.00
12 HOUR QPF 0.00 0.00 0.06 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.06 0.00 0.18 0.01
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 0.0 0.0 0.0 0.0
HIGH END SNOW 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) 14.7 14.7 15.0 15.3 15.4 15.2 15.0 14.9 14.9 15.0 15.3 15.7 15.7 15.2 15.0 14.8 14.7
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
TIME (LT) 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P
CLOUD COVER OV BK BK BK OV BK BK BK OV BK SC SC OV BK SC SC OV SC
CLOUD COVER (%) 75 55 55 55 80 60 65 55 75 60 45 30 80 55 40 30 70 45
TEMPERATURE 63 55 49 49 61 55 48 47 56 53 48 47 54 52 47 46 53 52
MIN/MAX TEMP 63 49 61 47 59 47 57 46 56
WIND DIR N W NW NW NE W NW W SW W NW NW SW W W NW S W
WIND (MPH) 3 9 8 4 8 6 3 3 3 5 4 3 3 5 4 3 3 4
WIND GUST (MPH) 14 12 9 10 9
PRECIP PROB (%) 60 20 10 0 70 30 10 5 70 20 5 10 70 20 5 5 60 20
PRECIP TYPE R T T T T T T T R T
12 HOUR QPF 0.13 0.01
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 15.0 15.3 15.4 15.1 15.2 15.4 15.2 14.9 15.0 15.2 14.8 14.6 14.7 14.9 14.5 14.3 14.5 14.8
SNOW RATIO (:1) 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
...INNER BASIN...
DATE TUESDAY 08/18/26 WEDNESDAY 08/19/26
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A
CLOUD COVER FW FW SC OV BK SC SC FW FW FW BK BK SC SC FW FW FW
CLOUD COVER (%) 5 5 45 80 65 40 25 20 25 20 65 65 40 30 20 15 20
TEMPERATURE 53 68 76 76 73 62 59 55 54 69 77 73 69 62 60 56 55
MAX/MIN TEMP 76 54 77 54
WIND DIR SW SW W W W W W W W W W W W W W W W
WIND (MPH) 6 4 4 5 5 8 10 10 9 5 3 5 6 10 12 12 11
WIND GUST (MPH) 11 11 11 16 18 18
PRECIP PROB (%) 0 0 10 10 5 5 0 0 5 5 50 50 0 0 0 0 0
PRECIP TYPE T T T T
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.07 0.00 0.00
12 HOUR QPF 0.00 0.00 0.07 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.05 0.00 0.16 0.01
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 0.0 0.0 0.0 0.0
HIGH END SNOW 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) 14.7 14.7 15.0 15.4 15.4 15.2 15.0 14.9 14.9 15.0 15.3 15.7 15.7 15.1 15.0 14.8 14.7
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
TIME (LT) 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P
CLOUD COVER OV BK BK BK OV BK BK BK OV BK SC SC OV BK SC SC OV SC
CLOUD COVER (%) 75 55 60 55 80 60 60 55 75 60 40 30 80 55 35 30 70 45
TEMPERATURE 77 65 58 54 75 65 56 54 71 63 56 53 68 62 55 52 67 62
MIN/MAX TEMP 77 53 75 52 73 51 70 50 69
WIND DIR N W W W E W W W SW W W W SW W W W S W
WIND (MPH) 3 9 8 3 3 6 3 2 4 4 3 2 4 4 3 2 4 4
WIND GUST (MPH) 14 9 10
PRECIP PROB (%) 60 20 10 0 70 30 10 5 70 20 5 10 70 20 5 5 60 20
PRECIP TYPE R T T T T T T T R T
12 HOUR QPF 0.12 0.01
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 15.0 15.3 15.4 15.1 15.2 15.4 15.2 14.9 15.0 15.2 14.8 14.6 14.7 14.9 14.5 14.3 14.5 14.8
SNOW RATIO (:1) 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN