979
FWUS45 KREV 182233
AVGREV
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE RENO NV
233 PM PST THU DEC 18 2025
..FREDONYER PASS (5800 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 45 70 60 60 85 90 95 90 100 100 90 90 80 80 80 80 90
TEMPERATURE 45 39 39 40 39 39 38 40 40 41 41 41 39 39 39 42 40
MIN/MAX TEMP 38 42 38 43
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 11 13 14 16 20 20 17 14 13 16 17 16 10 10 10 9 6
WIND GUST (MPH) 28 33 36 37 33 33 27 24 23 26 27 26 24 21 20 20 19
PRECIP PROB (%) 5 5 10 30 80 90 90 90 70 70 70 70 50 50 70 70 90
PRECIP TYPE R R S S R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.22 0.41 0.09 0.03 0.01 0.04
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) 7.7 7.3 7.1 7.1 7.4 7.7 7.8 8.2 8.0 7.7 7.4 7.2 6.9 6.6 6.9 7.2 7.3
SNOW RATIO (:1) 1 1 1 1 2 2 3 3 3 3 3 4 4 4 3 3 3
SNOW DENSITY (%) 100 100 100 100 50 50 33 33 33 33 33 25 25 25 33 33 33
..YUBA PASS (6700 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 FW SC SC OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 20 25 30 35 80 85 90 95 95 95 90 90 80 80 90 90 95
TEMPERATURE 42 37 36 35 35 35 35 36 36 37 38 38 37 36 37 39 37
MIN/MAX TEMP 33 38 35 39
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 13 17 18 18 23 23 20 19 17 19 20 20 13 12 10 10 10
WIND GUST (MPH) 33 39 41 42 36 36 33 31 27 32 33 33 32 28 25 25 23
PRECIP PROB (%) 0 5 10 20 70 80 80 90 80 80 80 80 70 70 80 80 90
PRECIP TYPE S S S S S S R R R S S S R R
6 HOUR QPF 0.01 0.01 0.11 0.83 0.42 0.16 0.06 0.15
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 0.8 0.0 0.0
SNOW LEVEL (KFT) 7.6 7.3 7.3 7.1 7.2 7.6 8.2 8.3 8.5 8.4 8.2 8.0 7.7 7.6 7.7 7.9 8.1
SNOW RATIO (:1) 1 1 1 1 1 2 3 3 3 3 3 3 4 3 3 3 3
SNOW DENSITY (%) 100 100 100 100 100 50 33 33 33 33 33 33 25 33 33 33 33
..LITTLE TRUCKEE SUMMIT (6400 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC FW FW OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 30 30 20 15 70 75 80 90 90 90 85 85 75 75 85 85 95
TEMPERATURE 47 39 38 37 35 35 40 42 40 38 38 37 35 35 41 44 42
MIN/MAX TEMP 33 44 33 45
WIND DIR S S S S S SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 11 14 14 16 20 20 20 18 16 18 19 19 11 10 10 10 8
WIND GUST (MPH) 26 29 31 32 35 36 35 32 27 33 35 34 25 21 19 18 18
PRECIP PROB (%) 0 0 5 5 60 70 70 80 80 80 70 70 60 60 80 80 90
PRECIP TYPE R R S R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.03 0.32 0.17 0.04 0.04 0.11
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) 7.5 7.0 7.0 6.9 6.9 7.6 8.9 8.7 8.6 8.5 8.2 8.2 7.9 7.7 7.9 8.1 8.3
SNOW RATIO (:1) 0 0 1 1 1 2 2 2 2 3 3 3 3 3 3 3 3
SNOW DENSITY (%) 0 0 100 100 100 50 50 50 50 33 33 33 33 33 33 33 33
..DONNER PASS (7200 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 FW FW FW OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 25 20 25 25 75 85 90 90 95 95 90 90 80 80 90 90 95
TEMPERATURE 40 36 35 35 34 34 34 34 34 35 37 36 35 35 36 37 35
MIN/MAX TEMP 32 37 33 37
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 33 37 41 43 43 37 36 35 32 33 35 36 33 26 23 21 23
WIND GUST (MPH) 50 56 62 65 65 57 54 52 48 50 54 55 50 40 35 33 34
PRECIP PROB (%) 0 0 5 10 60 70 80 90 90 90 90 90 70 70 80 80 90
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.04 0.82 0.62 0.24 0.09 0.18
6 HOUR SNOW 0.0 0.0 0.0 1.9 0.3 0.0 0.0 0.0
12 HOUR SNOW 0.0 1.9 0.3 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 2.9 0.3 0.2
SNOW LEVEL (KFT) 7.1 6.9 7.0 7.1 7.1 7.2 7.5 7.6 8.0 8.5 8.4 8.4 8.1 8.0 8.0 8.1 8.3
SNOW RATIO (:1) 1 1 1 1 1 2 3 3 4 4 4 4 4 4 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 50 33 33 25 25 25 25 25 25 25 25 25
..MT ROSE SUMMIT (8900 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC FW FW FW BK BK OV OV OV OV OV OV BK BK OV OV OV
CLOUD COVER (%) 25 20 15 10 60 65 70 80 85 85 75 75 65 70 80 80 90
TEMPERATURE 38 34 34 33 33 33 35 35 35 34 35 35 35 34 34 34 33
MIN/MAX TEMP 32 37 33 36
WIND DIR W W W W W SW SW W W W W W W SW SW SW SW
WIND (MPH) 39 43 47 47 50 48 47 44 37 41 41 43 39 29 25 25 25
WIND GUST (MPH) 59 65 71 71 77 71 71 67 57 62 62 65 58 46 37 37 37
PRECIP PROB (%) 0 0 0 0 40 50 60 60 70 70 60 60 50 50 70 70 90
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.19 0.25 0.08 0.06 0.14
6 HOUR SNOW 0.0 0.0 0.0 0.5 1.1 0.6 0.6 0.6
12 HOUR SNOW 0.0 0.5 1.7 1.2
LOW END SNOW 0.0 0.2 0.0 0.1
HIGH END SNOW 0.0 2.2 1.7 2.2
SNOW LEVEL (KFT) 7.7 7.4 7.1 6.9 6.9 7.5 8.6 8.8 8.6 8.7 8.5 8.5 8.1 7.9 8.0 8.3 8.6
SNOW RATIO (:1) 1 1 1 1 1 1 2 3 4 4 5 5 6 5 5 5 5
SNOW DENSITY (%) 100 100 100 100 100 100 50 33 25 25 20 20 16 20 20 20 20
..HOMEWOOD (8000 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 FW FW FW OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 25 15 10 10 75 80 85 90 95 95 90 90 85 85 90 90 95
TEMPERATURE 42 39 38 36 36 36 38 36 35 37 39 39 38 37 37 38 36
MIN/MAX TEMP 35 39 35 39
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 35 41 44 47 48 43 40 39 34 36 40 42 37 31 25 24 25
WIND GUST (MPH) 52 62 67 70 72 64 59 59 51 55 61 64 57 46 39 36 37
PRECIP PROB (%) 0 0 5 5 60 70 80 80 90 90 90 90 80 80 80 80 90
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.65 0.75 0.32 0.12 0.21
6 HOUR SNOW 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.5 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 1.0 0.1 0.1
SNOW LEVEL (KFT) 7.5 7.1 7.0 7.1 7.0 7.0 7.7 8.3 8.7 8.8 8.6 8.7 8.3 8.1 8.2 8.4 8.6
SNOW RATIO (:1) 1 1 1 1 1 2 2 3 3 4 4 4 4 4 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 50 50 33 33 25 25 25 25 25 25 25 25
..ECHO PASS (7500 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 FW FW FW OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 25 10 5 5 70 75 80 90 95 95 90 90 85 85 90 90 95
TEMPERATURE 42 39 40 39 39 39 40 37 37 38 40 40 38 38 37 38 37
MIN/MAX TEMP 38 42 36 41
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 14 20 23 25 34 29 24 19 20 26 31 32 19 13 10 9 9
WIND GUST (MPH) 25 29 32 34 55 47 37 31 32 41 49 51 26 21 18 19 19
PRECIP PROB (%) 0 0 0 0 60 60 70 80 90 90 90 90 80 80 80 80 90
PRECIP TYPE S S S R S S R S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.49 0.72 0.30 0.11 0.18
6 HOUR SNOW 0.0 0.0 0.0 0.3 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.3 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.6 0.1 0.1
SNOW LEVEL (KFT) 8.0 7.4 7.2 7.0 6.7 6.8 7.8 8.9 9.1 9.0 8.9 8.8 8.6 8.3 8.4 8.6 8.8
SNOW RATIO (:1) 1 1 1 1 1 1 2 2 3 3 4 4 4 4 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 50 50 33 33 25 25 25 25 25 25 25
..CARSON PASS (8800 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC FW CL CL BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 25 10 5 5 70 70 80 90 95 95 90 90 85 85 90 90 95
TEMPERATURE 41 37 36 35 36 35 39 37 35 35 36 36 35 34 35 37 34
MIN/MAX TEMP 34 40 32 37
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 39 46 52 54 55 48 44 44 40 41 43 46 44 34 28 26 28
WIND GUST (MPH) 58 69 79 81 82 72 66 66 59 63 65 69 67 52 43 39 42
PRECIP PROB (%) 0 0 0 0 50 60 70 70 90 90 90 90 80 80 80 80 90
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.30 0.60 0.25 0.11 0.17
6 HOUR SNOW 0.0 0.0 0.0 0.6 0.0 0.0 0.4 0.3
12 HOUR SNOW 0.0 0.6 0.0 0.7
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 1.1 0.4 1.0
SNOW LEVEL (KFT) 8.0 7.5 7.2 6.9 6.6 6.7 7.9 8.8 9.0 9.0 9.0 9.0 8.5 8.3 8.4 8.7 8.9
SNOW RATIO (:1) 1 1 1 1 1 2 2 3 4 4 4 4 5 5 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 50 50 33 25 25 25 25 20 20 25 25 25
..EBBETTS PASS (8700 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC FW FW CL BK BK OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 35 25 5 5 65 65 70 85 95 95 90 90 80 80 85 85 95
TEMPERATURE 42 37 37 35 35 35 39 38 35 35 37 37 36 35 36 37 35
MIN/MAX TEMP 33 40 33 38
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 36 40 47 46 49 48 47 46 40 40 39 40 39 34 27 25 27
WIND GUST (MPH) 54 61 70 69 73 72 71 69 61 59 58 61 59 51 41 39 42
PRECIP PROB (%) 0 0 0 0 50 50 60 70 90 90 80 80 70 70 80 80 90
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.14 0.27 0.12 0.10 0.19
6 HOUR SNOW 0.0 0.0 0.0 0.1 0.5 0.0 0.0 0.2
12 HOUR SNOW 0.0 0.1 0.5 0.2
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.9 0.5 1.0
SNOW LEVEL (KFT) 8.2 7.7 7.2 6.9 6.8 6.7 7.3 8.0 8.6 9.0 9.1 9.1 8.7 8.5 8.5 8.8 9.0
SNOW RATIO (:1) 1 1 1 1 1 1 2 2 3 4 4 4 5 5 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 50 50 33 25 25 25 20 20 25 25 25
..SONORA PASS (9800 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC FW FW FW BK BK BK OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 30 15 10 5 60 60 65 80 90 90 90 90 75 75 80 80 90
TEMPERATURE 38 34 34 33 33 33 38 37 34 35 36 36 35 33 34 35 33
MIN/MAX TEMP 31 39 32 37
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 34 39 46 47 51 52 50 49 43 41 39 41 40 32 26 25 29
WIND GUST (MPH) 50 57 69 71 77 79 75 74 65 62 58 63 59 49 39 37 46
PRECIP PROB (%) 0 0 0 0 40 40 50 60 90 90 80 80 60 60 70 70 90
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.07 0.24 0.14 0.08 0.11
6 HOUR SNOW 0.0 0.0 0.0 0.0 1.2 0.6 0.6 0.6
12 HOUR SNOW 0.0 0.0 1.8 1.2
LOW END SNOW 0.0 0.0 0.0 0.1
HIGH END SNOW 0.0 2.8 2.3 5.1
SNOW LEVEL (KFT) 8.5 8.1 7.7 7.1 6.6 6.6 7.4 8.2 8.9 9.2 9.3 9.2 8.9 8.7 8.7 8.9 9.1
SNOW RATIO (:1) 2 2 2 2 2 2 2 3 4 5 5 6 7 7 7 7 6
SNOW DENSITY (%) 50 50 50 50 50 50 50 33 25 20 20 16 14 14 14 14 16
..MATTERHORN GLACIER (11000 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC SC FW SC SC BK BK OV OV OV OV OV BK OV OV OV
CLOUD COVER (%) 45 40 25 15 40 40 50 65 80 85 80 80 70 65 75 75 90
TEMPERATURE 34 30 29 28 28 27 33 36 32 31 31 31 29 28 31 33 31
MIN/MAX TEMP 26 37 27 33
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW W SW
WIND (MPH) 33 41 47 50 54 56 55 55 49 46 42 46 43 35 28 26 28
WIND GUST (MPH) 50 62 71 75 80 84 82 81 74 69 64 70 65 54 43 39 43
PRECIP PROB (%) 0 0 0 0 20 20 30 40 70 70 70 70 50 50 60 60 80
PRECIP TYPE S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.03 0.15 0.11 0.06 0.07
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.9 0.6 0.6 0.6
12 HOUR SNOW 0.0 0.0 1.5 1.2
LOW END SNOW 0.0 0.0 0.0 0.2
HIGH END SNOW 0.0 2.4 2.1 4.5
SNOW LEVEL (KFT) 8.8 8.2 7.9 7.5 6.7 6.5 7.2 8.2 9.1 9.4 9.5 9.4 9.0 9.0 8.9 9.0 9.2
SNOW RATIO (:1) 3 3 3 3 4 4 4 5 6 7 7 8 8 8 8 8 8
SNOW DENSITY (%) 33 33 33 33 25 25 25 20 16 14 14 12 12 12 12 12 12
..TIOGA ENTRY STATION (9950 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC SC FW FW FW SC BK OV OV OV OV BK BK OV OV OV
CLOUD COVER (%) 40 30 30 15 15 20 30 60 75 75 75 75 65 60 70 70 80
TEMPERATURE 38 32 32 32 30 30 39 40 35 33 34 34 32 30 36 37 34
MIN/MAX TEMP 27 40 28 37
WIND DIR W W W W W W W W SW W SW W W SW SW SW SW
WIND (MPH) 26 32 36 39 42 48 50 48 46 39 35 39 32 28 24 20 23
WIND GUST (MPH) 40 48 55 57 64 72 75 73 67 58 52 58 48 42 35 32 35
PRECIP PROB (%) 0 0 0 0 10 10 20 20 60 60 60 60 40 40 60 60 70
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.01 0.14 0.13 0.04 0.05
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.6 0.6 0.6 0.3
12 HOUR SNOW 0.0 0.0 1.2 0.9
LOW END SNOW 0.0 0.0 0.0 0.1
HIGH END SNOW 0.0 1.5 1.2 3.6
SNOW LEVEL (KFT) 8.9 8.0 7.7 7.3 6.6 6.6 7.5 8.4 9.3 9.6 9.6 9.5 9.1 9.0 9.0 9.2 9.3
SNOW RATIO (:1) 2 2 2 2 3 2 2 3 4 5 5 6 7 7 7 7 7
SNOW DENSITY (%) 50 50 50 50 33 50 50 33 25 20 20 16 14 14 14 14 14
..MT WARREN SUMMIT (12325 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC FW FW FW BK OV OV BK BK BK BK BK BK OV
CLOUD COVER (%) 60 55 40 35 25 20 20 55 75 75 70 70 65 60 70 70 80
TEMPERATURE 32 29 29 27 28 28 32 32 30 29 30 31 29 28 28 29 28
MIN/MAX TEMP 27 33 28 31
WIND DIR W W W W W W W W W W SW SW W SW SW W SW
WIND (MPH) 32 40 44 48 52 56 57 55 52 46 43 48 42 35 27 25 27
WIND GUST (MPH) 48 61 67 72 80 84 86 84 78 70 66 72 63 52 42 39 41
PRECIP PROB (%) 0 0 0 0 10 10 10 20 50 50 50 50 40 40 50 50 70
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.01 0.10 0.06 0.03 0.03
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.6 0.6 0.0 0.0
12 HOUR SNOW 0.0 0.0 1.2 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 1.3 1.2 2.7
SNOW LEVEL (KFT) 8.8 8.1 7.7 7.3 6.7 6.6 7.6 8.6 9.4 9.6 9.6 9.5 9.1 9.0 8.9 9.2 9.3
SNOW RATIO (:1) 3 3 3 4 4 4 4 4 5 6 6 7 8 8 8 8 8
SNOW DENSITY (%) 33 33 33 25 25 25 25 25 20 16 16 14 12 12 12 12 12
..MAMMOTH MTN SUMMIT (11034 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC SC FW FW SC BK BK BK BK BK BK BK BK OV
CLOUD COVER (%) 60 50 45 40 35 20 10 45 55 60 60 60 70 60 65 65 70
TEMPERATURE 40 36 35 35 33 33 36 37 35 34 35 35 34 33 33 34 33
MIN/MAX TEMP 31 37 31 36
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 25 31 34 36 41 42 43 44 41 36 35 39 32 28 21 21 26
WIND GUST (MPH) 37 46 51 55 62 64 64 67 62 55 54 58 48 43 33 33 40
PRECIP PROB (%) 0 0 0 0 0 0 5 10 30 30 30 30 20 20 40 40 50
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.04 0.02 0.04
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 0.1 0.3
SNOW LEVEL (KFT) 9.1 8.4 7.9 7.6 7.1 6.9 7.5 7.8 8.0 8.7 9.2 9.2 9.1 9.2 9.2 9.3 9.4
SNOW RATIO (:1) 1 1 1 2 2 2 2 2 3 3 4 4 4 4 4 4 4
SNOW DENSITY (%) 100 100 100 50 50 50 50 50 33 33 25 25 25 25 25 25 25
..MAMMOTH MTN SESAME SNOW PLOT (9025 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC SC FW FW SC BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 60 50 45 45 35 20 10 45 55 60 60 60 65 60 65 65 70
TEMPERATURE 45 39 39 39 37 37 42 44 40 38 39 39 38 37 39 41 38
MIN/MAX TEMP 35 45 35 43
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 12 18 21 24 31 26 25 26 26 29 29 29 19 14 11 12 13
WIND GUST (MPH) 27 37 44 50 49 42 41 42 42 47 47 47 43 34 27 32 32
PRECIP PROB (%) 0 0 0 0 0 0 5 10 30 30 30 30 20 20 50 50 50
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.03 0.02 0.04
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 0.1
SNOW LEVEL (KFT) 9.1 8.4 7.9 7.6 7.1 6.9 7.6 7.8 8.1 8.8 9.2 9.2 9.1 9.1 9.1 9.3 9.4
SNOW RATIO (:1) 0 0 0 1 1 1 1 1 2 2 3 3 3 3 3 3 3
SNOW DENSITY (%) 0 0 0 100 100 100 100 100 50 50 33 33 33 33 33 33 33
..MAMMOTH MTN CANYON BASE (8358 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC SC FW FW SC BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 60 55 45 50 40 25 10 40 50 55 60 60 60 55 60 60 65
TEMPERATURE 53 44 42 40 39 38 48 51 48 42 42 41 39 38 44 47 46
MIN/MAX TEMP 37 53 36 49
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 11 13 14 14 20 20 26 29 27 27 24 20 12 10 9 12 12
WIND GUST (MPH) 26 34 36 37 33 33 42 48 43 43 39 32 33 26 23 29 31
PRECIP PROB (%) 0 0 0 0 0 0 5 5 30 30 30 30 20 20 40 40 50
PRECIP TYPE S R R R R R S R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.03 0.02 0.02 0.02
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 0.1
SNOW LEVEL (KFT) 8.9 8.3 7.8 7.6 7.1 6.9 7.6 7.9 8.4 9.1 9.4 9.4 9.2 9.2 9.2 9.3 9.4
SNOW RATIO (:1) 0 0 0 0 1 0 0 0 1 1 2 2 2 2 2 2 2
SNOW DENSITY (%) 0 0 0 0 100 0 0 0 100 100 50 50 50 50 50 50 50
..BARCROFT RESEARCH STATION (12470 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC SC BK SC FW FW FW FW FW FW SC SC SC SC BK BK
CLOUD COVER (%) 35 30 35 55 35 15 15 15 15 20 15 30 45 40 45 55 55
TEMPERATURE 32 29 28 27 26 25 30 32 31 27 26 26 26 25 29 29 29
MIN/MAX TEMP 25 33 24 31
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 20 26 27 28 29 31 31 31 28 27 21 24 21 20 16 17 18
WIND GUST (MPH) 31 39 41 43 46 46 46 46 43 41 33 35 33 31 25 26 27
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 5 10 10 0 0 5 5 10
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) 8.8 8.4 8.0 7.7 7.3 7.2 8.2 8.9 9.4 9.9 10.0 9.8 9.4 9.1 9.1 9.5 9.7
SNOW RATIO (:1) 3 3 3 3 4 4 4 4 4 5 5 6 7 7 8 8 8
SNOW DENSITY (%) 33 33 33 33 25 25 25 25 25 20 20 16 14 14 12 12 12
..ROCK CREEK LAKES (9700 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC FW FW CL SC SC SC SC BK SC BK BK BK
CLOUD COVER (%) 55 55 50 50 45 25 10 5 40 45 50 50 50 45 55 55 60
TEMPERATURE 42 37 32 30 29 27 38 43 39 36 33 32 30 30 37 42 39
MIN/MAX TEMP 26 44 28 44
WIND DIR W W W W W SW W W W W SW SW W W W W W
WIND (MPH) 24 27 29 31 34 36 41 41 36 33 31 34 29 24 23 21 25
WIND GUST (MPH) 36 41 46 46 50 55 62 62 55 50 47 51 44 35 34 33 37
PRECIP PROB (%) 0 0 0 0 0 0 5 5 20 20 20 20 10 10 30 30 40
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.03 0.01 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 0.2 0.5
SNOW LEVEL (KFT) 8.8 8.1 7.6 7.3 6.9 6.8 7.8 8.4 8.9 9.6 9.9 9.8 9.5 9.3 9.4 9.6 9.6
SNOW RATIO (:1) 0 0 1 1 2 2 2 2 2 3 4 4 4 5 5 5 4
SNOW DENSITY (%) 0 0 100 100 50 50 50 50 50 33 25 25 25 20 20 20 25
..BEAR CREEK SPIRE (13745 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC FW FW FW FW BK BK BK BK BK BK BK BK BK
CLOUD COVER (%) 50 50 40 40 20 15 10 10 55 65 65 60 65 55 55 55 65
TEMPERATURE 28 25 24 24 23 23 27 29 27 25 26 27 26 25 26 28 27
MIN/MAX TEMP 23 30 24 29
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 25 28 32 33 37 40 42 43 40 39 35 39 34 28 24 21 26
WIND GUST (MPH) 36 43 48 50 57 61 63 66 61 58 54 58 51 42 36 33 40
PRECIP PROB (%) 0 0 0 0 0 0 5 5 30 30 30 30 20 20 30 30 40
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.04 0.06 0.02 0.03
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.3 0.6 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.9 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.2 0.9 1.2
SNOW LEVEL (KFT) 8.6 8.0 7.6 7.2 6.7 6.6 7.7 8.4 8.9 9.8 10.0 9.9 9.5 9.4 9.4 9.6 9.6
SNOW RATIO (:1) 3 3 3 4 5 5 5 6 6 7 8 8 9 9 9 9 9
SNOW DENSITY (%) 33 33 33 25 20 20 20 16 16 14 12 12 11 11 11 11 11
..SOUTH LAKE (9600 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC SC FW FW FW SC SC SC SC SC SC SC BK
CLOUD COVER (%) 55 55 50 55 45 35 15 15 20 35 45 40 40 45 35 50 60
TEMPERATURE 41 34 32 30 30 28 40 44 41 34 33 33 31 30 41 43 40
MIN/MAX TEMP 28 46 29 45
WIND DIR SW SW SW SW W SW W W W W W W W W W W W
WIND (MPH) 20 21 24 26 29 32 35 35 33 31 27 29 27 21 19 17 21
WIND GUST (MPH) 29 32 35 40 43 49 52 54 50 46 42 44 41 33 28 25 33
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 10 10 10 10 10 20 20 20
PRECIP TYPE S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02
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 0.1 0.7
SNOW LEVEL (KFT) 8.9 8.1 7.7 7.4 6.9 6.9 8.1 8.7 9.1 9.8 10.1 9.9 9.6 9.4 9.6 9.7 9.7
SNOW RATIO (:1) 0 0 1 1 2 2 2 2 2 3 3 4 5 5 5 5 5
SNOW DENSITY (%) 0 0 100 100 50 50 50 50 50 33 33 25 20 20 20 20 20
..HURD PEAK SUMMIT (12165 FT)
DATE FRIDAY 12/19/25 SATURDAY 12/20/25
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 SC BK SC SC SC SC FW FW FW SC SC SC SC SC SC BK BK
CLOUD COVER (%) 50 55 50 45 40 30 10 10 15 30 40 40 45 45 40 50 60
TEMPERATURE 39 32 31 30 30 28 36 41 37 33 33 34 32 30 36 40 37
MIN/MAX TEMP 28 44 29 42
WIND DIR W W SW SW W W W W W W W W W W W W W
WIND (MPH) 19 21 24 26 29 33 36 35 33 31 28 29 27 23 19 16 21
WIND GUST (MPH) 29 32 35 39 44 49 55 54 50 47 42 46 42 35 29 25 33
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 10 20 20 10 10 20 20 20
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.02
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 0.1 0.7
SNOW LEVEL (KFT) 8.9 8.1 7.6 7.3 6.9 6.8 8.0 8.6 9.0 9.8 10.1 9.9 9.6 9.4 9.7 9.7 9.7
SNOW RATIO (:1) 1 1 2 2 3 3 3 4 4 4 4 6 7 7 7 7 7
SNOW DENSITY (%) 100 100 50 50 33 33 33 25 25 25 25 16 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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