Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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FWUS45 KFGZ 181837
AVGFGZ
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1135 AM MST TUE AUG 18 2026
...AGASSIZ PEAK...
DATE WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC FW FW FW CL BK BK SC SC SC SC SC FW OV OV BK
CLOUD COVER (%) 45 40 10 10 15 5 60 65 30 45 40 35 40 10 80 80 55
TEMPERATURE 60 54 51 50 49 54 62 62 59 55 53 52 51 56 63 58 55
MIN/MAX TEMP 49 63 51 63
WIND DIR W W W SW W W W W W W NW NW W NW NW NW W
WIND (MPH) 9 8 9 9 9 6 5 6 10 12 12 11 9 5 4 6 9
WIND GUST (MPH) 13 16 19 14
PRECIP PROB (%) 5 5 0 0 5 5 20 40 5 5 0 0 0 0 60 60 20
PRECIP TYPE T T R T T
6 HOUR QPF 0.00 0.00 0.00 0.05 0.00 0.00 0.00 0.09
12 HOUR QPF 0.00 0.05 0.00 0.09
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.00 0.17 0.05 0.23
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) 15.5 15.3 15.1 14.9 14.9 14.8 15.4 15.8 15.7 15.2 15.3 15.2 15.1 14.9 15.3 15.5 15.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 BK BK OV BK BK SC OV BK SC SC OV BK SC SC OV BK SC SC BK SC
CLOUD COVER (%) 70 65 85 60 60 50 75 60 50 40 80 55 25 35 70 55 35 30 55 40
TEMPERATURE 52 49 60 56 49 48 56 54 48 48 55 54 47 46 53 54 47 46 55 55
MAX/MIN TEMP 49 60 47 59 47 57 46 57 46 58
WIND DIR N E S W NW W SW W NW NW S W W NW S W NW NW S W
WIND (MPH) 12 5 5 6 3 3 4 5 4 3 4 4 3 3 3 4 3 3 4 4
WIND GUST (MPH) 19
PRECIP PROB (%) 10 5 70 40 20 5 60 30 5 5 70 20 5 20 60 20 5 5 40 10
PRECIP TYPE T T T T T T T T T T T T
12 HOUR QPF 0.01 0.10
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 15.4 15.2 15.3 15.4 15.0 14.7 14.9 15.2 14.8 14.6 14.7 14.8 14.6 14.4 14.6 14.7 14.5 14.2 14.4 14.6
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 WEDNESDAY 08/19/26 THURSDAY 08/20/26
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 SC FW FW FW CL BK BK SC SC SC SC SC FW OV OV BK
CLOUD COVER (%) 50 40 10 5 15 5 60 65 25 45 40 30 40 10 80 80 50
TEMPERATURE 73 62 59 55 54 68 77 72 69 60 60 57 54 67 76 68 64
MIN/MAX TEMP 54 77 54 76
WIND DIR W W W W W W W W W W W NW W NW NW NW W
WIND (MPH) 9 6 9 8 8 5 5 6 9 12 12 9 9 4 4 6 9
WIND GUST (MPH) 14 20 14
PRECIP PROB (%) 5 5 0 0 5 5 20 50 5 5 0 0 0 0 60 60 20
PRECIP TYPE T T R R T
6 HOUR QPF 0.00 0.00 0.00 0.06 0.00 0.00 0.00 0.08
12 HOUR QPF 0.00 0.06 0.00 0.08
LOW END QPF 0.00 0.00 0.00 0.01
HIGH END QPF 0.00 0.16 0.04 0.20
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) 15.5 15.3 15.1 14.9 14.9 14.8 15.4 15.8 15.7 15.2 15.3 15.2 15.0 14.9 15.3 15.4 15.3
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 OV BK OV BK BK SC OV BK SC SC OV BK SC SC OV BK SC SC BK SC
CLOUD COVER (%) 70 65 85 60 55 45 75 60 45 40 80 55 25 30 70 55 35 30 55 40
TEMPERATURE 57 54 74 66 56 55 71 64 56 54 70 64 54 52 68 63 54 52 69 65
MAX/MIN TEMP 53 74 52 72 52 71 51 70 51 71
WIND DIR N E S W W SW S W W W S W W W S W W W SE W
WIND (MPH) 9 4 5 6 2 2 4 5 3 3 4 4 2 2 4 3 2 2 5 4
WIND GUST (MPH)
PRECIP PROB (%) 10 5 70 40 20 5 70 30 5 5 70 20 5 20 60 20 5 5 40 10
PRECIP TYPE T T T T T T T T T T T T
12 HOUR QPF 0.01 0.09
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 15.4 15.2 15.3 15.4 15.0 14.7 14.9 15.2 14.9 14.6 14.7 14.9 14.6 14.4 14.6 14.7 14.5 14.3 14.4 14.6
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