462
FWUS45 KREV 192233
AVGREV
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE RENO NV
233 PM PST FRI DEC 19 2025
..FREDONYER PASS (5800 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV BK OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 95 90 90 85 85 65 75 90 95 100 100 100 100 100 100 100
TEMPERATURE 40 40 41 41 39 39 39 42 40 39 41 42 42 43 43 43 41
MIN/MAX TEMP 38 42 39 43
WIND DIR SW SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW
WIND (MPH) 13 16 17 16 10 10 10 10 8 8 9 10 10 13 13 11 10
WIND GUST (MPH) 21 26 27 25 25 23 23 23 20 21 24 25 28 31 27 27 27
PRECIP PROB (%) 70 60 70 60 30 30 30 30 80 90 100 100 100 100 100 100 100
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.07 0.04 0.01 0.07 0.37 0.55 0.55 0.53
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) 8.2 7.9 7.4 7.1 6.9 6.8 6.9 7.1 7.4 8.2 8.6 9.0 8.7 8.5 8.3 8.1 7.9
SNOW RATIO (:1) 2 3 3 3 3 4 3 3 3 3 2 2 2 2 2 2 3
SNOW DENSITY (%) 50 33 33 33 33 25 33 33 33 33 50 50 50 50 50 50 33
..YUBA PASS (6700 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 90 90 85 80 80 75 90 95 100 100 100 95 95 100 100 100
TEMPERATURE 36 36 37 37 36 36 37 39 38 38 39 39 38 39 39 39 38
MIN/MAX TEMP 34 40 36 39
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 17 20 21 21 13 12 12 11 10 11 12 14 14 16 14 14 13
WIND GUST (MPH) 27 32 34 34 33 29 27 27 25 28 32 35 36 36 35 34 33
PRECIP PROB (%) 90 80 80 80 50 50 50 60 100 100 100 100 90 90 100 100 100
PRECIP TYPE S S R R R R R S R R R R R R R R R
6 HOUR QPF 0.53 0.24 0.16 0.25 0.87 1.63 1.08 1.06
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 0.3
SNOW LEVEL (KFT) 8.7 8.6 8.3 8.0 7.7 7.6 7.8 8.1 8.5 8.8 9.2 9.2 9.0 8.9 8.8 8.5 8.2
SNOW RATIO (:1) 3 3 3 3 3 3 3 3 3 3 2 2 2 2 3 3 3
SNOW DENSITY (%) 33 33 33 33 33 33 33 33 33 33 50 50 50 50 33 33 33
..LITTLE TRUCKEE SUMMIT (6400 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV BK OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 90 85 85 70 70 60 85 95 95 95 95 95 95 95 95 100
TEMPERATURE 40 38 38 39 36 36 42 45 42 38 39 39 38 39 42 44 42
MIN/MAX TEMP 33 45 35 44
WIND DIR SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW
WIND (MPH) 16 18 19 19 12 11 10 10 8 8 10 11 12 13 13 13 11
WIND GUST (MPH) 28 32 35 34 25 23 20 19 19 20 23 25 27 28 26 26 26
PRECIP PROB (%) 80 80 80 80 50 50 40 50 90 100 100 100 90 90 90 90 100
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.18 0.05 0.02 0.05 0.44 1.06 0.67 0.84
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 0.3
SNOW LEVEL (KFT) 9.0 8.7 8.5 8.1 7.9 7.8 8.0 8.4 8.6 8.9 9.3 9.3 9.1 8.9 8.9 8.6 8.3
SNOW RATIO (:1) 2 2 2 2 3 3 3 3 2 2 2 2 2 2 2 2 2
SNOW DENSITY (%) 50 50 50 50 33 33 33 33 50 50 50 50 50 50 50 50 50
..DONNER PASS (7200 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 100 95 90 90 80 80 75 90 100 100 100 100 95 95 95 95 100
TEMPERATURE 34 35 37 37 36 35 37 37 36 36 38 37 38 38 37 38 36
MIN/MAX TEMP 32 38 35 38
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 34 36 36 35 34 29 27 28 25 24 31 37 37 37 34 34 34
WIND GUST (MPH) 51 54 54 54 52 44 41 42 37 35 47 57 57 57 51 51 51
PRECIP PROB (%) 90 90 90 90 60 60 60 70 100 100 100 100 90 90 100 100 100
PRECIP TYPE S S S S S S S S S S R R R R R S S
6 HOUR QPF 0.68 0.39 0.27 0.41 1.24 2.02 1.11 1.11
6 HOUR SNOW 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.3 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.1 0.1 0.0 1.1
SNOW LEVEL (KFT) 8.3 8.7 8.6 8.4 8.1 8.0 8.2 8.5 8.7 8.8 9.2 9.2 9.1 8.9 8.9 8.6 8.4
SNOW RATIO (:1) 3 3 3 4 4 4 4 4 4 3 3 3 3 3 3 3 4
SNOW DENSITY (%) 33 33 33 25 25 25 25 25 25 33 33 33 33 33 33 33 25
..MT ROSE SUMMIT (8900 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV BK OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 90 80 75 75 75 80 65 75 90 90 95 95 90 90 95 95 95
TEMPERATURE 35 34 34 35 34 34 34 36 34 34 36 36 37 37 36 36 34
MIN/MAX TEMP 32 37 34 37
WIND DIR W W W W W W W W SW SW SW SW SW SW SW SW SW
WIND (MPH) 41 44 39 40 41 34 32 33 28 26 36 44 40 40 41 39 36
WIND GUST (MPH) 63 67 58 59 62 51 49 49 43 40 55 67 61 61 62 58 56
PRECIP PROB (%) 70 70 70 60 40 40 40 50 90 90 90 90 90 90 90 90 90
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.20 0.13 0.07 0.14 0.65 1.00 0.96 1.22
6 HOUR SNOW 0.2 0.6 0.6 0.2 1.5 1.5 1.2 1.4
12 HOUR SNOW 0.8 0.8 3.0 2.6
LOW END SNOW 0.3 0.0 0.0 0.2
HIGH END SNOW 2.5 2.7 6.5 8.3
SNOW LEVEL (KFT) 9.1 9.0 8.8 8.5 8.2 8.2 8.4 8.7 8.8 9.0 9.2 9.3 9.2 9.0 9.1 8.9 8.7
SNOW RATIO (:1) 3 4 4 5 5 6 5 5 5 4 4 3 3 4 4 4 4
SNOW DENSITY (%) 33 25 25 20 20 16 20 20 20 25 25 33 33 25 25 25 25
..HOMEWOOD (8000 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 95 95 95 85 80 75 90 100 100 100 100 95 95 95 95 100
TEMPERATURE 36 37 39 39 38 37 37 38 37 38 41 40 40 39 38 39 37
MIN/MAX TEMP 35 40 38 39
WIND DIR SW SW SW SW W W SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 39 39 41 41 39 34 31 29 26 27 35 41 43 43 37 36 36
WIND GUST (MPH) 58 59 62 62 58 51 46 44 40 41 54 63 65 65 56 55 55
PRECIP PROB (%) 90 90 90 90 70 60 60 70 100 100 100 100 90 90 90 90 100
PRECIP TYPE S S S R S S S S R R R R R R R R S
6 HOUR QPF 0.86 0.65 0.45 0.52 1.29 1.86 1.08 1.10
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 0.1
SNOW LEVEL (KFT) 9.1 9.2 8.9 8.6 8.4 8.4 8.5 8.7 8.8 9.1 9.4 9.3 9.2 9.1 9.2 8.9 8.7
SNOW RATIO (:1) 3 3 3 4 4 4 4 4 4 3 3 3 3 3 3 4 4
SNOW DENSITY (%) 33 33 33 25 25 25 25 25 25 33 33 33 33 33 33 25 25
..ECHO PASS (7500 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 95 95 95 90 80 80 90 100 100 95 95 95 95 95 95 95
TEMPERATURE 37 39 40 40 39 39 38 38 38 40 41 40 40 39 38 38 37
MIN/MAX TEMP 37 41 37 39
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 21 28 31 33 20 16 10 9 10 13 17 21 23 21 16 13 13
WIND GUST (MPH) 35 46 50 52 27 23 20 20 19 24 28 29 32 31 28 27 29
PRECIP PROB (%) 100 100 90 90 80 70 70 80 100 100 100 100 90 90 90 90 90
PRECIP TYPE R R R R R S S R R R R R R R R R R
6 HOUR QPF 0.97 0.58 0.32 0.48 1.06 1.37 0.88 1.01
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 0.5 0.0 0.0 0.8
SNOW LEVEL (KFT) 9.6 9.4 9.1 8.8 8.6 8.6 8.7 8.9 9.1 9.3 9.3 9.3 9.3 9.1 9.1 9.0 8.8
SNOW RATIO (:1) 3 3 3 3 4 4 4 4 3 3 3 3 3 3 3 3 4
SNOW DENSITY (%) 33 33 33 33 25 25 25 25 33 33 33 33 33 33 33 33 25
..CARSON PASS (8800 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 95 95 95 90 80 80 90 95 100 95 95 95 95 95 95 95
TEMPERATURE 36 36 37 36 35 35 36 37 36 35 37 37 36 36 35 36 34
MIN/MAX TEMP 33 38 34 36
WIND DIR SW SW SW W W W W SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 42 42 43 44 43 37 34 31 27 34 42 44 51 48 43 40 41
WIND GUST (MPH) 64 63 65 67 65 56 51 47 42 51 64 67 77 72 65 61 63
PRECIP PROB (%) 90 90 90 90 80 70 70 80 100 100 90 90 90 90 90 90 90
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.80 0.53 0.27 0.29 0.80 1.22 0.83 0.98
6 HOUR SNOW 0.0 0.0 0.6 0.1 0.0 0.0 0.4 0.0
12 HOUR SNOW 0.0 0.7 0.0 0.4
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.4 1.9 1.0 2.7
SNOW LEVEL (KFT) 9.6 9.5 9.2 8.9 8.7 8.7 8.8 9.0 9.1 9.3 9.4 9.3 9.2 9.1 9.1 9.0 8.8
SNOW RATIO (:1) 3 3 4 4 4 4 5 4 4 4 4 3 4 4 4 4 4
SNOW DENSITY (%) 33 33 25 25 25 25 20 25 25 25 25 33 25 25 25 25 25
..EBBETTS PASS (8700 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 95 95 95 90 80 85 90 95 95 95 95 95 95 95 95 95
TEMPERATURE 36 35 37 37 36 36 36 37 37 36 38 37 37 36 35 36 35
MIN/MAX TEMP 34 38 35 36
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 42 40 39 37 39 34 33 31 27 33 36 41 42 43 41 42 42
WIND GUST (MPH) 63 61 58 57 58 51 49 46 42 49 55 62 64 66 62 64 64
PRECIP PROB (%) 90 90 90 90 80 70 80 80 90 90 90 90 90 90 90 90 90
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.42 0.35 0.18 0.25 0.87 1.20 0.80 1.03
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.5 0.0 0.0 0.7
12 HOUR SNOW 0.0 0.0 0.5 0.7
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.2 1.0 2.9 4.7
SNOW LEVEL (KFT) 9.7 9.6 9.3 9.0 8.8 8.9 9.0 9.1 9.2 9.3 9.4 9.3 9.3 9.1 9.1 9.0 8.9
SNOW RATIO (:1) 3 3 3 4 4 5 5 4 4 4 3 3 3 3 4 4 4
SNOW DENSITY (%) 33 33 33 25 25 20 20 25 25 25 33 33 33 33 25 25 25
..SONORA PASS (9800 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 95 95 95 95 90 85 90 90 95 95 95 95 95 95 95 95 90
TEMPERATURE 37 37 38 37 35 34 34 35 35 36 36 36 36 35 34 35 33
MIN/MAX TEMP 32 37 33 36
WIND DIR W W W W W W W SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 46 41 40 37 37 34 31 29 27 35 39 43 43 44 44 44 42
WIND GUST (MPH) 69 62 61 57 56 52 46 44 42 54 58 65 65 67 66 67 64
PRECIP PROB (%) 90 100 100 90 80 80 80 80 90 90 90 90 90 90 90 90 90
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.36 0.41 0.24 0.19 0.43 0.81 0.72 0.98
6 HOUR SNOW 0.3 1.6 1.5 1.2 2.3 4.2 3.6 5.1
12 HOUR SNOW 1.9 2.7 6.5 8.7
LOW END SNOW 0.6 0.1 1.2 1.7
HIGH END SNOW 4.3 4.9 12.4 12.7
SNOW LEVEL (KFT) 9.8 9.7 9.5 9.1 8.9 8.9 9.1 9.3 9.4 9.4 9.5 9.5 9.4 9.3 9.2 9.1 9.0
SNOW RATIO (:1) 4 4 5 5 6 7 8 7 6 6 5 5 5 5 5 6 6
SNOW DENSITY (%) 25 25 20 20 16 14 12 14 16 16 20 20 20 20 20 16 16
..MATTERHORN GLACIER (11000 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 90 90 95 95 85 80 85 85 90 95 90 90 90 90 90 90 90
TEMPERATURE 32 31 32 31 29 29 31 34 32 31 31 30 30 30 31 32 30
MIN/MAX TEMP 27 34 28 32
WIND DIR SW SW SW SW W SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 52 49 47 43 41 36 31 27 28 36 43 47 47 47 46 46 42
WIND GUST (MPH) 80 73 70 65 61 55 46 41 42 55 65 71 70 71 69 70 63
PRECIP PROB (%) 80 90 90 90 80 70 80 80 90 90 90 90 80 80 80 80 80
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.24 0.24 0.19 0.26 0.77 1.22 0.57 0.89
6 HOUR SNOW 1.2 1.8 1.5 1.8 6.0 9.0 4.2 7.2
12 HOUR SNOW 3.0 3.3 15.0 11.4
LOW END SNOW 0.4 0.1 1.7 1.1
HIGH END SNOW 3.8 7.9 15.0 13.6
SNOW LEVEL (KFT) 9.7 9.8 9.7 9.3 9.1 9.1 9.2 9.5 9.6 9.6 9.6 9.6 9.5 9.4 9.4 9.3 9.1
SNOW RATIO (:1) 5 6 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8
SNOW DENSITY (%) 20 16 14 14 12 12 12 12 12 12 12 12 12 12 12 12 12
..TIOGA ENTRY STATION (9950 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 85 90 90 90 85 80 85 85 90 90 90 90 85 85 90 90 85
TEMPERATURE 35 34 34 34 32 31 35 37 35 33 34 34 33 32 35 35 33
MIN/MAX TEMP 28 37 29 35
WIND DIR W W W W W W SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 49 41 37 36 31 26 24 20 20 29 35 36 37 37 40 39 33
WIND GUST (MPH) 73 63 57 56 46 40 35 32 32 44 54 56 57 57 61 59 50
PRECIP PROB (%) 80 80 90 90 80 70 80 80 90 90 80 80 80 80 80 80 80
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.22 0.28 0.27 0.17 0.37 0.65 0.45 0.74
6 HOUR SNOW 0.7 1.5 1.8 0.5 2.4 4.2 3.0 5.0
12 HOUR SNOW 2.2 2.3 6.6 8.0
LOW END SNOW 0.2 0.1 0.4 0.1
HIGH END SNOW 2.7 5.1 9.2 10.8
SNOW LEVEL (KFT) 9.8 10.0 9.9 9.5 9.2 9.2 9.4 9.6 9.7 9.7 9.8 9.7 9.6 9.6 9.6 9.4 9.2
SNOW RATIO (:1) 4 4 5 6 7 7 7 7 7 7 7 7 7 7 7 7 7
SNOW DENSITY (%) 25 25 20 16 14 14 14 14 14 14 14 14 14 14 14 14 14
..MT WARREN SUMMIT (12325 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 80 85 85 80 70 75 80 85 85 85 85 85 85 85 85 85
TEMPERATURE 30 30 30 30 29 28 28 29 28 30 31 30 30 30 28 29 27
MIN/MAX TEMP 28 30 27 30
WIND DIR W W W W W W W SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 57 50 47 46 40 34 28 25 25 34 42 46 50 49 49 47 41
WIND GUST (MPH) 85 74 71 69 59 50 42 37 37 51 64 70 75 74 74 71 63
PRECIP PROB (%) 70 70 80 80 70 60 60 70 80 80 80 80 80 80 80 80 70
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.17 0.17 0.15 0.16 0.35 0.69 0.44 0.68
6 HOUR SNOW 0.9 1.2 1.2 1.2 2.4 4.8 3.0 4.8
12 HOUR SNOW 2.1 2.4 7.2 7.8
LOW END SNOW 0.2 0.1 0.9 0.8
HIGH END SNOW 2.1 3.8 7.2 8.0
SNOW LEVEL (KFT) 9.9 10.0 10.0 9.5 9.2 9.1 9.4 9.6 9.7 9.8 9.8 9.8 9.7 9.6 9.7 9.4 9.2
SNOW RATIO (:1) 5 5 6 7 8 8 8 8 7 7 7 7 7 7 7 7 8
SNOW DENSITY (%) 20 20 16 14 12 12 12 12 14 14 14 14 14 14 14 14 12
..MAMMOTH MTN SUMMIT (11034 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 75 80 80 80 70 75 80 85 85 80 85 90 85 85 85 80
TEMPERATURE 35 34 35 36 34 33 32 34 34 35 35 35 34 35 32 33 33
MIN/MAX TEMP 31 35 31 35
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 44 40 39 39 31 25 21 20 23 29 41 42 46 47 47 43 39
WIND GUST (MPH) 67 61 57 58 47 39 33 31 34 46 62 64 69 71 71 65 58
PRECIP PROB (%) 60 60 70 70 60 60 60 60 80 80 70 70 70 70 70 70 60
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.05 0.12 0.09 0.17 0.41 0.81 0.39 0.78
6 HOUR SNOW 0.0 0.1 0.4 0.6 1.2 2.5 1.3 3.0
12 HOUR SNOW 0.1 1.0 3.7 4.3
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 1.0 3.7 5.5
SNOW LEVEL (KFT) 9.1 9.7 9.9 9.7 9.3 9.3 9.4 9.6 9.6 9.6 9.7 9.6 9.5 9.4 9.4 9.4 9.2
SNOW RATIO (:1) 2 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4
SNOW DENSITY (%) 50 33 33 25 25 25 25 25 25 25 25 25 25 25 25 25 25
..MAMMOTH MTN SESAME SNOW PLOT (9025 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV BK OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 75 75 80 75 70 70 80 85 85 80 85 85 80 85 85 75
TEMPERATURE 40 38 39 40 38 38 39 40 39 38 40 40 39 39 38 39 36
MIN/MAX TEMP 36 42 37 39
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 26 29 29 28 19 14 12 12 13 16 20 23 25 21 18 18 18
WIND GUST (MPH) 42 47 47 46 43 35 29 31 32 37 47 50 52 50 42 44 43
PRECIP PROB (%) 60 60 70 70 60 50 60 60 80 80 70 70 70 70 70 70 60
PRECIP TYPE S R S S S S S S S S S S S S S S S
6 HOUR QPF 0.05 0.11 0.07 0.19 0.51 0.95 0.37 0.66
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 0.4 1.4 3.6
SNOW LEVEL (KFT) 9.2 9.7 9.9 9.6 9.2 9.2 9.4 9.6 9.6 9.6 9.7 9.6 9.5 9.4 9.4 9.4 9.2
SNOW RATIO (:1) 1 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3
SNOW DENSITY (%) 100 50 50 33 33 33 33 33 33 33 33 33 33 33 33 33 33
..MAMMOTH MTN CANYON BASE (8358 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER BK BK OV OV OV BK BK OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 70 75 75 70 65 70 75 80 80 80 80 80 80 80 80 75
TEMPERATURE 48 43 42 42 40 39 44 47 46 42 41 41 40 41 44 45 44
MIN/MAX TEMP 37 49 37 46
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 27 26 23 19 12 10 11 13 13 13 14 14 14 16 14 19 18
WIND GUST (MPH) 43 41 36 29 33 27 27 31 32 35 40 41 41 39 36 44 43
PRECIP PROB (%) 50 50 60 60 60 50 50 60 70 70 70 70 70 70 70 70 60
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.04 0.11 0.11 0.10 0.25 0.59 0.24 0.45
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 0.1 0.6 1.7
SNOW LEVEL (KFT) 9.4 10.0 10.1 9.9 9.4 9.3 9.5 9.7 9.8 9.7 9.8 9.7 9.6 9.5 9.6 9.5 9.2
SNOW RATIO (:1) 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
SNOW DENSITY (%) 100 100 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50
..BARCROFT RESEARCH STATION (12470 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER FW SC FW SC OV BK SC BK SC SC BK BK BK BK BK BK BK
CLOUD COVER (%) 20 25 15 30 70 55 40 50 50 45 60 60 60 50 50 55 65
TEMPERATURE 30 28 27 27 27 27 28 29 29 27 26 26 27 27 29 31 29
MIN/MAX TEMP 26 31 25 31
WIND DIR W W W W W W W W W SW SW SW W SW SW SW SW
WIND (MPH) 31 28 24 27 20 18 17 14 14 16 21 27 33 36 36 34 27
WIND GUST (MPH) 46 43 35 41 31 27 25 21 21 24 32 41 50 55 55 52 41
PRECIP PROB (%) 5 5 10 10 20 20 20 20 20 20 20 20 30 30 30 30 30
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.08 0.01 0.01 0.00 0.00 0.02
6 HOUR SNOW 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.6 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.6 0.3 0.7
SNOW LEVEL (KFT) 9.8 10.3 10.4 10.3 10.1 9.9 10.0 10.0 10.0 10.2 10.1 10.1 9.9 9.9 9.9 9.8 9.6
SNOW RATIO (:1) 4 4 5 6 7 8 8 8 8 7 6 6 6 6 6 6 6
SNOW DENSITY (%) 25 25 20 16 14 12 12 12 12 14 16 16 16 16 16 16 16
..ROCK CREEK LAKES (9700 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER BK BK BK BK BK BK BK BK OV OV OV OV OV BK OV OV BK
CLOUD COVER (%) 65 65 65 65 65 65 65 65 70 70 70 70 75 70 75 75 65
TEMPERATURE 39 36 34 34 32 30 37 41 38 36 33 32 32 32 37 42 37
MIN/MAX TEMP 28 42 29 42
WIND DIR W W W W W SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 40 35 32 35 27 24 21 20 18 24 33 39 44 48 49 43 36
WIND GUST (MPH) 59 54 48 52 42 36 33 31 27 35 49 58 66 72 74 65 55
PRECIP PROB (%) 50 50 50 50 50 50 50 50 60 60 60 60 50 50 60 60 50
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.05 0.10 0.15 0.11 0.19 0.40 0.18 0.34
6 HOUR SNOW 0.0 0.0 0.6 0.0 0.1 0.9 0.5 0.1
12 HOUR SNOW 0.0 0.6 1.0 0.6
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.2 1.2 2.4 3.4
SNOW LEVEL (KFT) 9.3 10.0 10.2 10.2 9.9 9.8 9.8 10.0 10.0 10.0 10.0 10.0 9.9 9.9 9.9 9.8 9.5
SNOW RATIO (:1) 2 3 4 4 5 5 5 5 4 4 4 4 4 4 4 4 4
SNOW DENSITY (%) 50 33 25 25 20 20 20 20 25 25 25 25 25 25 25 25 25
..BEAR CREEK SPIRE (13745 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 70 75 80 75 75 75 75 80 80 80 85 85 75 75 75 75
TEMPERATURE 26 26 26 28 27 26 27 28 27 26 27 27 27 27 26 27 26
MIN/MAX TEMP 25 29 25 27
WIND DIR W W W W W W W W SW SW SW SW SW SW SW SW SW
WIND (MPH) 42 39 36 39 33 26 23 20 20 27 37 42 47 50 49 42 39
WIND GUST (MPH) 63 57 55 58 49 39 34 31 29 41 57 64 71 75 74 64 58
PRECIP PROB (%) 60 60 60 60 60 60 60 60 70 70 60 60 60 60 60 60 50
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.08 0.12 0.19 0.15 0.28 0.53 0.31 0.51
6 HOUR SNOW 0.6 1.2 1.8 1.2 2.4 4.8 2.7 4.5
12 HOUR SNOW 1.8 3.0 7.2 7.2
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 1.8 3.1 7.2 7.6
SNOW LEVEL (KFT) 9.4 10.1 10.3 10.3 10.0 9.9 10.0 10.1 10.0 10.1 10.1 10.0 9.9 9.9 9.9 9.8 9.5
SNOW RATIO (:1) 6 7 8 8 9 9 9 9 9 9 9 9 9 9 9 9 9
SNOW DENSITY (%) 16 14 12 12 11 11 11 11 11 11 11 11 11 11 11 11 11
..SOUTH LAKE (9600 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER BK BK BK BK BK BK BK BK OV OV BK BK BK OV BK BK OV
CLOUD COVER (%) 55 55 60 60 60 60 60 60 70 70 65 65 65 70 65 65 70
TEMPERATURE 39 34 34 34 32 32 40 44 39 34 34 33 33 32 40 42 38
MIN/MAX TEMP 30 44 30 43
WIND DIR W W W W W W W SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 34 31 27 29 26 19 17 14 14 19 28 34 40 42 42 35 32
WIND GUST (MPH) 51 46 41 46 40 29 25 23 23 29 43 52 61 64 63 52 49
PRECIP PROB (%) 30 40 40 40 40 40 40 40 60 60 40 40 40 40 50 50 40
PRECIP TYPE S S S S S S S R S S S S S S S S S
6 HOUR QPF 0.02 0.01 0.02 0.02 0.05 0.17 0.07 0.18
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.6 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.6 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.1 0.8 1.8 2.8
SNOW LEVEL (KFT) 9.3 10.2 10.4 10.3 10.2 10.1 10.1 10.2 10.1 10.1 10.1 10.0 9.9 9.9 9.9 9.8 9.5
SNOW RATIO (:1) 2 2 3 4 5 5 5 5 5 5 5 5 5 5 5 5 5
SNOW DENSITY (%) 50 50 33 25 20 20 20 20 20 20 20 20 20 20 20 20 20
..HURD PEAK SUMMIT (12165 FT)
DATE SATURDAY 12/20/25 SUNDAY 12/21/25
TIME (LT) 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16
4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P
CLOUD COVER BK BK BK BK BK BK BK BK OV OV OV OV OV OV BK BK OV
CLOUD COVER (%) 60 60 60 60 60 65 60 65 75 75 70 75 75 75 65 65 75
TEMPERATURE 36 32 34 34 33 32 37 40 35 33 34 34 33 32 36 39 35
MIN/MAX TEMP 30 42 30 40
WIND DIR W W W W W W SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 34 31 28 29 27 19 17 14 14 20 29 35 40 43 42 34 32
WIND GUST (MPH) 51 46 42 46 41 29 26 23 23 31 44 52 61 65 64 52 49
PRECIP PROB (%) 40 40 40 40 40 40 40 40 60 60 40 40 50 50 50 50 40
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.02 0.02 0.03 0.04 0.09 0.25 0.08 0.20
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.6 1.8 0.6 1.0
12 HOUR SNOW 0.0 0.0 2.4 1.6
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 0.2 1.0 2.4 3.6
SNOW LEVEL (KFT) 9.3 10.2 10.4 10.3 10.2 10.1 10.1 10.2 10.1 10.1 10.1 10.0 9.9 9.9 9.9 9.8 9.5
SNOW RATIO (:1) 4 4 4 6 7 7 7 7 7 7 6 7 7 7 7 7 7
SNOW DENSITY (%) 25 25 25 16 14 14 14 14 14 14 16 14 14 14 14 14 14
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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