395
FWUS45 KREV 170933
AVGREV
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE RENO NV
232 AM PDT SUN MAY 17 2026
..FREDONYER PASS (5800 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC FW SC FW FW CL CL CL CL CL CL CL CL FW CL CL CL
CLOUD COVER (%) 30 20 30 15 15 5 5 5 5 5 5 0 5 10 0 0 0
TEMPERATURE 33 35 40 47 49 45 41 36 34 40 49 57 58 51 44 39 37
MAX/MIN TEMP 49 34 59 37
WIND DIR N NE NE NE NE NE NE NE NE NE E NE NE NE N N N
WIND (MPH) 11 14 13 13 16 14 12 10 9 11 10 9 8 6 4 4 3
WIND GUST (MPH) 19 24 21 21 25 24 20 14 14 18 16 13 12 10 6 6 5
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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
SNOW LEVEL (KFT) 4.6 4.7 4.7 5.2 5.6 5.3 5.0 4.6 4.4 5.2 6.1 6.8 7.3 7.2 6.5 5.6 5.1
SNOW RATIO (:1) 5 9 7 5 3 3 5 6 6 5 3 0 0 0 0 1 1
SNOW DENSITY (%) 20 11 14 20 33 33 20 16 16 20 33 0 0 0 0 100 100
..YUBA PASS (6700 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC FW FW CL CL CL FW CL CL CL CL CL CL CL CL
CLOUD COVER (%) 20 30 50 15 10 5 5 5 5 5 5 0 5 5 0 5 5
TEMPERATURE 33 35 40 42 43 39 36 34 32 35 44 52 54 48 39 36 33
MAX/MIN TEMP 44 32 54 33
WIND DIR E NE NE NE NE NE NE NE NE NE E NE NE E E E E
WIND (MPH) 8 12 14 18 20 19 19 17 16 18 12 11 10 8 6 6 6
WIND GUST (MPH) 12 21 24 29 34 31 31 27 25 28 20 18 16 12 11 11 10
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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
SNOW LEVEL (KFT) 5.3 5.6 5.6 5.2 5.4 5.1 4.9 4.8 4.6 5.4 6.2 6.6 6.9 7.0 6.2 5.7 5.2
SNOW RATIO (:1) 3 5 9 8 7 6 7 10 10 9 4 2 0 0 1 1 2
SNOW DENSITY (%) 33 20 11 12 14 16 14 10 10 11 25 50 0 0 100 100 50
..LITTLE TRUCKEE SUMMIT (6400 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC BK FW FW CL CL CL FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 25 35 55 20 15 5 0 5 10 5 5 0 5 5 0 0 5
TEMPERATURE 32 37 44 45 46 40 36 34 30 36 48 55 56 48 39 35 32
MAX/MIN TEMP 48 30 57 32
WIND DIR N N N NE NE NE NE NE NE NE E NE NE NE E SE SE
WIND (MPH) 4 9 12 13 16 14 12 10 8 10 10 9 8 5 4 3 3
WIND GUST (MPH) 6 18 21 24 29 27 23 17 14 18 16 16 14 9 6 5 5
PRECIP PROB (%) 0 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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
SNOW LEVEL (KFT) 5.4 5.7 5.6 5.2 5.3 5.1 5.0 5.0 4.8 5.4 6.2 6.8 7.0 6.9 6.2 5.6 5.2
SNOW RATIO (:1) 3 5 8 6 5 5 6 9 9 7 4 0 0 0 1 1 1
SNOW DENSITY (%) 33 20 12 16 20 20 16 11 11 14 25 0 0 0 100 100 100
..DONNER PASS (7200 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW CL CL CL FW CL CL CL CL CL CL CL CL
CLOUD COVER (%) 20 25 45 15 15 5 0 5 5 5 0 0 0 5 0 0 5
TEMPERATURE 31 36 41 39 40 36 33 32 30 34 42 49 50 43 37 34 32
MAX/MIN TEMP 44 30 51 32
WIND DIR NE NE NE NE NE NE NE NE NE E E NE NE NE E E E
WIND (MPH) 5 9 14 17 24 25 24 21 20 23 16 10 10 10 11 11 10
WIND GUST (MPH) 8 13 23 26 37 37 36 33 31 34 23 14 16 14 17 17 14
PRECIP PROB (%) 0 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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
SNOW LEVEL (KFT) 5.9 6.4 6.2 5.4 5.2 5.0 5.0 5.0 4.8 5.4 6.1 6.8 7.1 7.0 6.3 5.9 5.5
SNOW RATIO (:1) 3 5 8 9 10 8 10 12 12 10 6 3 2 2 3 2 3
SNOW DENSITY (%) 33 20 12 11 10 12 10 8 8 10 16 33 50 50 33 50 33
..MT ROSE SUMMIT (8900 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC BK SC FW FW FW SC FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 30 35 65 30 10 10 15 35 20 10 5 5 5 5 5 5 5
TEMPERATURE 31 33 35 31 33 30 29 27 25 30 36 42 44 40 34 32 30
MAX/MIN TEMP 36 25 44 30
WIND DIR NW N N N NE NE NE NE NE E E NE NE NE SE SW SW
WIND (MPH) 8 17 20 18 24 23 18 14 12 21 16 10 9 9 8 10 10
WIND GUST (MPH) 11 27 31 27 36 33 27 20 18 32 23 14 13 11 10 16 13
PRECIP PROB (%) 0 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.4 0.0 0.0 0.0
SNOW LEVEL (KFT) 6.2 6.3 6.0 5.3 5.1 4.9 5.0 5.0 4.8 5.3 6.1 6.5 6.9 6.9 6.0 5.4 4.9
SNOW RATIO (:1) 6 8 13 14 15 14 14 14 14 15 11 8 5 4 6 6 6
SNOW DENSITY (%) 16 12 7 7 6 7 7 7 7 6 9 12 20 25 16 16 16
..HOMEWOOD (8000 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 BK SC FW CL CL FW CL CL CL CL CL CL CL CL CL
CLOUD COVER (%) 15 15 50 35 10 0 0 5 5 5 0 0 0 0 0 0 0
TEMPERATURE 36 44 46 42 41 37 37 37 35 37 41 48 51 46 43 40 38
MAX/MIN TEMP 48 34 51 38
WIND DIR NE NE N NE NE NE NE NE E E E E NE NE E E E
WIND (MPH) 9 14 20 25 35 41 41 40 36 34 23 16 13 14 16 14 12
WIND GUST (MPH) 13 23 29 37 56 62 62 59 55 51 34 24 20 23 24 23 19
PRECIP PROB (%) 0 0 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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
SNOW LEVEL (KFT) 6.7 7.1 6.9 5.9 5.4 5.1 5.2 5.3 5.2 5.6 6.2 6.7 7.1 7.2 6.6 6.4 6.1
SNOW RATIO (:1) 3 5 5 9 8 10 10 10 10 9 6 4 2 3 3 2 3
SNOW DENSITY (%) 33 20 20 11 12 10 10 10 10 11 16 25 50 33 33 50 33
..ECHO PASS (7500 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 BK FW CL CL FW FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 10 15 40 60 10 5 5 15 15 10 0 0 0 0 0 0 0
TEMPERATURE 36 45 46 43 39 36 35 35 33 36 41 48 49 46 40 38 36
MAX/MIN TEMP 48 32 51 35
WIND DIR SE SW NW NE NE NE NE NE E E E NE NE NE E E E
WIND (MPH) 2 10 10 12 21 27 27 25 24 21 11 9 9 8 6 4 4
WIND GUST (MPH) 3 16 14 20 36 43 43 40 39 33 17 14 14 12 11 6 6
PRECIP PROB (%) 0 0 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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
SNOW LEVEL (KFT) 7.1 7.5 7.3 6.2 5.4 4.8 4.8 4.8 4.8 5.5 6.2 6.8 7.2 7.1 6.2 5.8 5.5
SNOW RATIO (:1) 3 4 4 12 10 11 12 12 11 10 6 3 2 3 3 3 3
SNOW DENSITY (%) 33 25 25 8 10 9 8 8 9 10 16 33 50 33 33 33 33
..CARSON PASS (8800 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 BK FW CL CL FW FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 10 15 35 60 10 5 5 20 20 10 0 0 0 0 0 0 0
TEMPERATURE 33 41 45 42 37 33 31 30 28 32 39 47 48 43 37 34 32
MAX/MIN TEMP 47 27 49 31
WIND DIR S W W NE NE NE NE NE E E E NE NE NE E SE SE
WIND (MPH) 4 13 12 12 25 32 33 31 27 26 16 9 9 11 9 10 9
WIND GUST (MPH) 8 21 14 19 41 48 49 46 41 39 21 13 13 16 13 16 13
PRECIP PROB (%) 0 0 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.1 0.0 0.0 0.0
SNOW LEVEL (KFT) 6.9 7.5 7.4 6.3 5.3 4.8 4.8 4.9 4.9 5.6 6.2 6.7 7.0 7.0 6.1 5.7 5.4
SNOW RATIO (:1) 4 5 6 14 12 13 13 12 12 11 9 5 4 4 5 4 4
SNOW DENSITY (%) 25 20 16 7 8 7 7 8 8 9 11 20 25 25 20 25 25
..EBBETTS PASS (8700 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 BK FW FW FW FW FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 10 10 45 65 20 10 10 25 20 10 0 0 0 0 0 0 0
TEMPERATURE 35 41 45 42 36 31 30 30 28 31 39 45 46 40 36 33 31
MAX/MIN TEMP 47 27 47 30
WIND DIR E W W N NE NE NE NE NE E E NE NE NE E E E
WIND (MPH) 5 14 16 17 23 26 25 21 19 19 14 9 9 9 9 10 9
WIND GUST (MPH) 5 23 20 25 34 40 36 33 28 29 21 13 13 13 13 16 13
PRECIP PROB (%) 0 0 10 20 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.3 0.0 0.0 0.0
SNOW LEVEL (KFT) 7.1 7.6 7.6 6.4 5.6 4.8 4.7 4.8 4.8 5.5 6.3 6.7 7.1 6.9 6.1 5.6 5.3
SNOW RATIO (:1) 3 5 5 13 13 13 12 11 12 11 9 5 4 4 5 4 4
SNOW DENSITY (%) 33 20 20 7 7 7 8 9 8 9 11 20 25 25 20 25 25
..SONORA PASS (9800 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 BK SC FW FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 15 20 35 60 25 10 15 20 10 5 0 0 0 10 0 0 5
TEMPERATURE 30 38 43 42 34 27 24 24 22 28 38 44 45 39 31 28 27
MAX/MIN TEMP 45 22 46 26
WIND DIR SW W W NW NE NE NE E E E E NE N NE SE SE SE
WIND (MPH) 8 20 23 20 26 29 28 26 21 18 14 10 10 9 9 11 8
WIND GUST (MPH) 13 34 35 27 43 48 46 41 34 29 21 16 16 13 14 18 12
PRECIP PROB (%) 0 0 10 10 0 5 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.4 0.1 0.0 0.0
SNOW LEVEL (KFT) 7.9 7.9 8.1 7.0 5.8 4.9 4.7 4.7 4.7 5.5 6.3 7.0 7.3 7.0 6.1 5.6 5.3
SNOW RATIO (:1) 6 8 10 13 14 13 12 11 10 11 11 7 6 6 7 6 6
SNOW DENSITY (%) 16 12 10 7 7 7 8 9 10 9 9 14 16 16 14 16 16
..MATTERHORN GLACIER (11000 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 BK SC SC FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 20 20 35 55 45 35 20 25 10 5 0 0 0 15 5 0 5
TEMPERATURE 25 32 39 37 31 23 21 20 18 23 32 38 40 33 27 24 22
MAX/MIN TEMP 39 17 40 21
WIND DIR SW SW W W N NE NE NE NE NE NE NE NW N S SW SW
WIND (MPH) 14 34 33 26 33 42 41 32 27 21 18 11 12 13 12 12 9
WIND GUST (MPH) 25 58 52 35 55 67 65 50 43 34 27 17 19 13 19 20 13
PRECIP PROB (%) 0 5 10 20 5 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.4 0.1 0.0 0.0
SNOW LEVEL (KFT) 8.0 8.1 8.6 7.5 6.1 5.0 4.7 4.7 4.6 5.4 6.2 7.0 7.3 7.1 6.0 5.5 5.2
SNOW RATIO (:1) 9 10 12 14 15 14 12 13 13 12 12 11 10 8 10 10 10
SNOW DENSITY (%) 11 10 8 7 6 7 8 7 7 8 8 9 10 12 10 10 10
..TIOGA ENTRY STATION (9950 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC SC FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 15 15 30 35 50 40 25 15 10 5 5 0 0 20 5 0 5
TEMPERATURE 28 35 45 44 39 27 24 22 19 25 37 43 45 38 30 27 24
MAX/MIN TEMP 45 18 45 23
WIND DIR SW W W W NW NE NE NE NE NE NE NE N NE SE W W
WIND (MPH) 6 23 26 17 20 27 23 16 12 12 11 9 8 6 5 9 4
WIND GUST (MPH) 11 37 39 24 27 41 33 23 18 18 16 13 11 8 6 12 5
PRECIP PROB (%) 0 0 5 10 5 5 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.1 0.1 0.0 0.0
SNOW LEVEL (KFT) 7.9 8.1 8.6 7.9 6.4 5.1 4.8 4.6 4.5 5.4 6.5 7.2 7.5 7.2 6.1 5.6 5.3
SNOW RATIO (:1) 8 8 9 11 13 13 11 11 11 12 12 10 7 6 9 9 9
SNOW DENSITY (%) 12 12 11 9 7 7 9 9 9 8 8 10 14 16 11 11 11
..MT WARREN SUMMIT (12325 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC SC FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 15 15 25 45 50 30 20 15 10 5 5 0 0 15 5 0 5
TEMPERATURE 26 33 35 33 26 19 18 17 15 21 26 31 33 31 26 24 22
MAX/MIN TEMP 35 15 33 22
WIND DIR W W W W N NE NE NE N NE NE NE N N SW W W
WIND (MPH) 13 36 41 32 39 39 27 19 16 20 19 13 17 14 6 9 5
WIND GUST (MPH) 21 59 63 43 57 57 39 27 24 31 27 21 26 16 10 13 9
PRECIP PROB (%) 0 0 5 10 5 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.3 0.1 0.0 0.0
SNOW LEVEL (KFT) 7.7 7.9 8.4 7.6 6.1 5.1 4.8 4.7 4.5 5.3 6.4 7.0 7.2 7.1 6.1 5.5 5.2
SNOW RATIO (:1) 8 8 8 11 14 14 14 14 13 13 12 11 10 9 10 10 10
SNOW DENSITY (%) 12 12 12 9 7 7 7 7 7 7 8 9 10 11 10 10 10
..MAMMOTH MTN SUMMIT (11034 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC BK SC FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 15 15 40 40 55 30 15 25 15 5 5 5 5 15 5 5 5
TEMPERATURE 34 41 43 42 37 28 25 23 22 28 33 41 42 39 33 30 28
MAX/MIN TEMP 44 21 43 27
WIND DIR SW SW SW SW NW NE NE NE NE N NE N NW N N NW W
WIND (MPH) 14 24 24 18 21 27 25 19 17 19 13 10 9 10 10 10 5
WIND GUST (MPH) 23 37 35 24 31 41 37 27 26 27 20 14 13 16 14 14 8
PRECIP PROB (%) 0 0 5 10 10 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00
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 0.2 0.1 0.0 0.0
SNOW LEVEL (KFT) 8.5 8.5 8.9 8.4 6.5 5.2 4.8 4.7 4.8 5.5 6.4 6.9 7.6 7.3 6.1 5.5 5.3
SNOW RATIO (:1) 4 4 6 6 12 13 13 12 12 12 10 6 5 4 7 7 7
SNOW DENSITY (%) 25 25 16 16 8 7 7 8 8 8 10 16 20 25 14 14 14
..MAMMOTH MTN SESAME SNOW PLOT (9025 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC SC FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 15 20 40 40 50 30 15 20 15 5 5 0 5 15 5 5 5
TEMPERATURE 39 44 48 49 43 31 29 27 26 31 38 46 49 43 37 34 33
MAX/MIN TEMP 51 25 49 32
WIND DIR SW SW SW SW N NE NE NE N N NE N N N N NW NW
WIND (MPH) 8 18 17 12 16 21 18 13 11 13 9 9 8 6 4 4 3
WIND GUST (MPH) 13 31 26 17 25 34 28 20 18 20 14 14 12 11 6 6 4
PRECIP PROB (%) 0 0 5 10 10 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00
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 0.2 0.1 0.0 0.0
SNOW LEVEL (KFT) 8.5 8.5 8.9 8.3 6.4 5.2 4.8 4.7 4.8 5.5 6.4 6.9 7.5 7.2 6.1 5.5 5.3
SNOW RATIO (:1) 3 3 4 4 11 13 13 12 12 12 9 4 3 3 6 5 6
SNOW DENSITY (%) 33 33 25 25 9 7 7 8 8 8 11 25 33 33 16 20 16
..MAMMOTH MTN CANYON BASE (8358 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC BK SC FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 15 10 25 35 60 30 10 20 10 5 5 0 0 10 5 5 5
TEMPERATURE 39 47 56 57 50 37 34 30 28 35 45 54 56 50 41 36 34
MAX/MIN TEMP 60 28 57 33
WIND DIR SW SW SW W N N NE NE N N N N N N N NW NW
WIND (MPH) 4 16 18 13 14 17 11 8 5 9 9 9 8 6 4 3 2
WIND GUST (MPH) 8 26 29 20 24 27 17 11 9 14 13 14 12 11 6 5 3
PRECIP PROB (%) 0 0 5 10 10 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00
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 0.1 0.1 0.0 0.0
SNOW LEVEL (KFT) 8.3 8.4 8.9 8.2 6.4 5.2 4.8 4.7 4.7 5.4 6.4 7.0 7.6 7.2 6.1 5.5 5.2
SNOW RATIO (:1) 1 1 1 2 9 13 13 13 13 12 7 2 1 1 4 4 4
SNOW DENSITY (%) 100 100 100 50 11 7 7 7 7 8 14 50 100 100 25 25 25
..BARCROFT RESEARCH STATION (12470 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC FW FW FW FW FW FW CL FW FW FW CL CL
CLOUD COVER (%) 15 10 25 45 40 25 10 10 15 10 5 5 10 15 5 5 5
TEMPERATURE 24 29 35 35 24 16 15 15 14 18 23 28 29 27 22 20 19
MAX/MIN TEMP 36 14 29 19
WIND DIR W W W W NW N N N NW NW NW NW NW NW W W W
WIND (MPH) 13 20 29 37 37 34 26 24 23 23 18 12 14 18 12 12 11
WIND GUST (MPH) 21 32 46 56 55 50 39 35 34 33 26 19 24 26 17 19 17
PRECIP PROB (%) 0 0 5 10 5 5 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00
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 0.1 0.0 0.0 0.0
SNOW LEVEL (KFT) 7.4 7.9 8.8 8.2 6.4 5.2 4.7 4.4 4.4 5.2 6.3 6.9 7.1 7.1 5.7 5.1 4.8
SNOW RATIO (:1) 10 9 12 13 15 14 16 14 14 13 14 13 11 9 10 11 11
SNOW DENSITY (%) 10 11 8 7 6 7 6 7 7 7 7 7 9 11 10 9 9
..ROCK CREEK LAKES (9700 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 CL FW FW BK SC FW FW FW CL CL CL CL FW CL CL CL
CLOUD COVER (%) 15 5 15 25 50 35 20 15 10 5 5 5 0 10 5 5 5
TEMPERATURE 31 37 49 49 42 31 27 23 22 26 39 45 48 42 35 29 26
MAX/MIN TEMP 51 20 48 25
WIND DIR W SW W W W N N NW W N N N N NW W W W
WIND (MPH) 13 26 33 34 28 27 20 16 13 17 16 11 10 12 8 8 5
WIND GUST (MPH) 21 41 51 50 41 40 29 23 19 25 23 17 14 17 11 11 8
PRECIP PROB (%) 0 0 0 5 10 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.1 0.1 0.0 0.0
SNOW LEVEL (KFT) 8.1 8.3 8.9 8.5 6.8 5.4 4.9 4.6 4.5 5.4 6.6 7.5 7.6 7.7 6.7 6.1 5.8
SNOW RATIO (:1) 4 4 6 9 12 13 14 13 14 12 13 9 8 6 8 8 8
SNOW DENSITY (%) 25 25 16 11 8 7 7 7 7 8 7 11 12 16 12 12 12
..BEAR CREEK SPIRE (13745 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW BK SC FW FW FW CL CL CL CL FW FW FW FW
CLOUD COVER (%) 15 10 20 15 50 40 25 10 10 5 0 0 0 15 10 10 5
TEMPERATURE 22 28 33 32 28 18 14 13 11 17 24 29 30 26 20 19 17
MAX/MIN TEMP 33 11 31 17
WIND DIR W W W W W N NE NE N N NE N W W W W W
WIND (MPH) 19 31 37 32 27 32 31 21 17 18 17 12 10 11 11 10 8
WIND GUST (MPH) 32 51 61 50 37 51 49 34 27 28 25 18 16 18 17 16 12
PRECIP PROB (%) 0 0 0 5 10 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.2 0.2 0.0 0.0
SNOW LEVEL (KFT) 7.9 8.4 9.0 8.5 7.3 5.5 4.8 4.4 4.4 5.4 6.8 7.7 8.0 8.0 6.7 6.0 5.7
SNOW RATIO (:1) 11 11 12 13 13 13 13 14 13 12 13 13 12 9 10 11 11
SNOW DENSITY (%) 9 9 8 7 7 7 7 7 7 8 7 7 8 11 10 9 9
..SOUTH LAKE (9600 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC SC FW FW FW FW CL CL CL FW FW FW CL
CLOUD COVER (%) 15 15 40 30 50 45 20 15 10 5 5 5 0 15 10 5 5
TEMPERATURE 31 36 49 50 45 30 25 22 21 25 38 45 45 35 31 27 26
MAX/MIN TEMP 52 20 47 25
WIND DIR SW SW W W W NW N NW W NW N N NW W W W W
WIND (MPH) 10 18 27 25 18 20 12 6 4 14 12 10 8 5 5 5 4
WIND GUST (MPH) 16 31 44 39 27 34 18 10 6 24 19 16 11 9 9 9 6
PRECIP PROB (%) 0 0 0 5 5 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.1 0.2 0.0 0.0
SNOW LEVEL (KFT) 7.8 8.5 9.4 8.9 7.4 5.6 4.9 4.4 4.4 5.3 6.6 7.5 7.5 8.0 6.8 6.2 6.0
SNOW RATIO (:1) 6 5 5 6 12 12 14 13 13 12 14 10 8 6 8 8 8
SNOW DENSITY (%) 16 20 20 16 8 8 7 7 7 8 7 10 12 16 12 12 12
..HURD PEAK SUMMIT (12165 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC SC SC FW FW FW CL CL CL FW FW FW CL
CLOUD COVER (%) 15 10 35 25 50 50 25 10 10 5 5 5 5 20 10 5 5
TEMPERATURE 31 35 46 47 42 30 26 22 21 24 35 42 44 37 31 27 26
MAX/MIN TEMP 49 19 45 25
WIND DIR SW SW SW W W NW N N NW NW N NW W W W W W
WIND (MPH) 10 21 31 27 18 21 14 9 6 14 12 10 8 5 4 5 4
WIND GUST (MPH) 17 36 50 41 27 35 21 13 10 24 19 16 12 9 6 10 6
PRECIP PROB (%) 0 0 0 5 10 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
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 0.1 0.2 0.0 0.0
SNOW LEVEL (KFT) 7.8 8.5 9.4 9.0 7.7 5.7 4.8 4.3 4.4 5.4 6.7 7.8 7.7 8.1 6.8 6.2 6.0
SNOW RATIO (:1) 8 7 8 9 13 12 14 13 13 12 14 11 10 8 9 10 10
SNOW DENSITY (%) 12 14 12 11 7 8 7 7 7 8 7 9 10 12 11 10 10
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page