801
FWUS45 KREV 181033
AVGREV
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE RENO NV
232 AM PST THU DEC 18 2025
..FREDONYER PASS (5800 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC BK BK SC BK OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 35 45 40 40 55 60 45 55 90 90 100 100 100 100 95 95 85
TEMPERATURE 37 38 42 47 45 40 40 40 39 39 38 39 40 40 41 41 40
MAX/MIN TEMP 48 38 41 38
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 6 9 10 10 10 13 13 14 18 19 16 13 11 13 11 10 10
WIND GUST (MPH) 14 18 24 27 29 33 35 35 36 31 25 21 18 21 18 26 24
PRECIP PROB (%) 10 10 0 5 10 10 10 30 70 70 90 90 70 70 60 60 70
PRECIP TYPE R R R S S S R R S R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.11 0.36 0.11 0.05
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) 9.3 9.2 8.6 8.3 7.8 7.3 7.1 7.0 7.0 7.1 7.4 7.6 7.8 7.6 7.3 6.9 6.5
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 2 2 3 3 3 3 3 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 50 50 33 33 33 33 33 25 25
..YUBA PASS (6700 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC SC SC SC SC OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 30 30 30 35 45 45 40 40 80 80 95 95 95 95 95 95 80
TEMPERATURE 33 34 41 43 40 36 35 35 34 35 35 36 36 37 38 39 38
MAX/MIN TEMP 43 33 38 36
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 10 10 11 13 12 16 18 18 20 20 18 17 14 17 16 14 13
WIND GUST (MPH) 19 23 28 31 34 39 40 42 40 33 29 27 24 27 25 35 32
PRECIP PROB (%) 5 5 5 5 5 10 20 20 40 40 80 80 80 80 70 70 70
PRECIP TYPE S S S S S S S S R S S
6 HOUR QPF 0.00 0.01 0.02 0.01 0.04 0.47 0.25 0.14
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 0.7 0.0
SNOW LEVEL (KFT) 9.0 9.3 8.9 8.5 8.0 7.6 7.3 7.0 7.1 7.3 7.4 8.0 8.1 8.1 8.0 7.6 7.3
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 1 2 3 3 3 3 3 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 100 50 33 33 33 33 33 25 25
..LITTLE TRUCKEE SUMMIT (6400 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC SC SC FW FW OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 35 40 30 30 35 30 20 15 70 70 90 90 90 90 85 85 75
TEMPERATURE 31 33 45 50 46 39 38 37 35 35 41 42 41 38 38 38 36
MAX/MIN TEMP 50 33 44 34
WIND DIR SW S SW SW S S S SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 8 9 10 11 11 13 14 14 18 18 18 17 13 16 13 13 11
WIND GUST (MPH) 14 18 23 24 26 29 31 31 32 33 31 29 24 29 25 26 24
PRECIP PROB (%) 5 5 0 0 0 5 5 5 30 30 70 70 70 70 60 60 70
PRECIP TYPE S S R R R R R R S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.02 0.27 0.20 0.10
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 0.0 0.0 0.1 0.0
SNOW LEVEL (KFT) 9.2 9.6 9.0 8.5 8.0 7.5 7.2 6.9 6.9 7.0 7.4 8.5 8.4 8.5 8.1 7.8 7.5
SNOW RATIO (:1) 1 0 0 0 0 1 1 1 1 2 2 2 2 2 3 3 3
SNOW DENSITY (%) 100 0 0 0 0 100 100 100 100 50 50 50 50 50 33 33 33
..DONNER PASS (7200 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW SC SC SC BK SC FW FW OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 25 35 40 40 55 35 20 15 70 70 90 90 95 95 90 90 85
TEMPERATURE 32 33 40 42 39 35 36 36 34 34 35 34 34 35 37 37 36
MAX/MIN TEMP 42 33 37 33
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 29 28 29 32 33 39 42 44 43 40 36 35 31 34 35 33 32
WIND GUST (MPH) 44 43 44 48 50 58 63 66 64 61 55 54 47 51 54 49 48
PRECIP PROB (%) 5 5 5 0 5 10 10 10 40 40 80 80 80 80 70 70 80
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.01 0.01 0.03 0.40 0.27 0.15
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.5 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.5 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.1 1.9 0.3
SNOW LEVEL (KFT) 8.6 9.4 9.0 8.3 7.8 7.6 7.2 7.0 7.1 7.2 7.4 7.9 8.0 8.2 8.2 7.9 7.6
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 1 2 3 3 3 4 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 100 50 33 33 33 25 25 25 25
..MT ROSE SUMMIT (8900 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC SC FW FW FW BK BK OV OV OV OV OV OV BK
CLOUD COVER (%) 35 45 35 35 30 20 15 10 55 55 80 80 85 85 80 80 70
TEMPERATURE 34 34 38 39 37 33 33 33 33 34 37 35 33 35 36 38 36
MAX/MIN TEMP 40 33 38 34
WIND DIR W W W W W W W W SW W SW SW SW SW W SW SW
WIND (MPH) 35 34 35 36 39 44 48 50 52 49 44 44 35 43 42 35 35
WIND GUST (MPH) 54 52 54 55 58 66 72 75 79 74 67 67 54 65 64 52 52
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 20 50 50 60 60 40 40 50
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.01 0.00 0.00 0.00 0.00 0.30 0.21 0.09
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.6 0.9 0.3
12 HOUR SNOW 0.0 0.0 0.6 1.2
LOW END SNOW 0.0 0.0 0.1 0.0
HIGH END SNOW 0.0 0.0 2.2 1.5
SNOW LEVEL (KFT) 8.6 9.2 9.0 8.6 8.2 7.8 7.3 7.0 7.0 7.0 8.0 8.7 8.7 8.7 8.4 8.1 7.7
SNOW RATIO (:1) 2 1 1 1 1 1 1 1 1 1 2 3 4 5 5 5 6
SNOW DENSITY (%) 50 100 100 100 100 100 100 100 100 100 50 33 25 20 20 20 16
..HOMEWOOD (8000 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC SC FW FW FW BK BK OV OV OV OV OV OV OV
CLOUD COVER (%) 30 40 35 35 35 15 10 10 65 65 90 90 95 95 90 90 85
TEMPERATURE 36 36 40 42 39 37 37 36 36 37 38 37 35 38 40 40 39
MAX/MIN TEMP 43 36 40 36
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 33 31 31 33 35 42 46 48 48 44 41 39 34 39 40 39 37
WIND GUST (MPH) 49 47 47 49 52 63 69 72 72 67 62 58 51 58 61 58 56
PRECIP PROB (%) 5 5 5 5 5 5 5 5 30 30 70 70 80 80 60 60 80
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.01 0.01 0.00 0.01 0.36 0.26 0.15
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.1 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 0.6 0.0
SNOW LEVEL (KFT) 8.4 9.6 9.2 8.7 8.2 7.9 7.5 7.2 7.2 7.0 7.3 8.0 8.3 8.8 8.6 8.2 7.9
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 1 2 2 3 3 4 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 100 50 50 33 33 25 25 25 25
..ECHO PASS (7500 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC FW FW FW FW FW BK BK OV OV OV OV OV OV OV
CLOUD COVER (%) 30 35 30 25 20 10 5 5 60 60 85 85 95 95 90 90 85
TEMPERATURE 36 36 40 41 40 38 39 39 39 39 40 38 36 38 40 41 39
MAX/MIN TEMP 43 38 42 36
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 11 11 10 10 12 19 21 25 29 27 20 17 14 21 21 21 19
WIND GUST (MPH) 14 17 21 24 26 29 31 33 33 43 33 27 24 34 34 29 26
PRECIP PROB (%) 5 5 5 0 0 0 0 0 20 20 70 70 80 80 60 60 80
PRECIP TYPE S S S S S R R S S
6 HOUR QPF 0.00 0.01 0.00 0.00 0.00 0.23 0.24 0.17
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.2 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 0.3 0.1
SNOW LEVEL (KFT) 8.1 9.6 9.3 9.1 8.7 8.0 7.6 7.2 6.9 6.8 7.3 8.0 8.5 9.1 8.9 8.6 8.2
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 1 1 2 3 3 3 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 100 100 50 33 33 33 25 25 25
..CARSON PASS (8800 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW SC SC FW FW FW FW FW BK BK OV OV OV OV OV OV OV
CLOUD COVER (%) 20 40 35 20 20 15 10 10 55 55 85 85 95 95 90 90 85
TEMPERATURE 32 33 40 42 39 36 36 36 35 36 39 37 34 35 37 37 35
MAX/MIN TEMP 43 34 40 33
WIND DIR W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 36 34 34 35 39 48 51 56 57 52 47 42 42 42 46 43 41
WIND GUST (MPH) 55 51 51 54 59 72 78 84 86 79 71 64 64 64 69 65 62
PRECIP PROB (%) 5 0 0 0 0 0 0 0 20 20 60 60 80 80 60 60 80
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.20 0.22 0.16
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.6 0.3 0.0
12 HOUR SNOW 0.0 0.0 0.6 0.3
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 0.7 0.4
SNOW LEVEL (KFT) 8.2 9.8 9.6 9.1 8.5 8.0 7.6 7.2 6.9 6.7 7.4 8.0 8.6 9.1 9.0 8.6 8.3
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 1 2 2 3 4 4 4 5 5
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 100 50 50 33 25 25 25 20 20
..EBBETTS PASS (8700 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC FW FW FW FW SC SC OV OV OV OV OV OV OV
CLOUD COVER (%) 30 40 35 30 25 20 15 15 50 50 80 80 90 90 85 85 80
TEMPERATURE 33 34 40 41 39 35 35 35 35 36 40 39 35 35 38 38 37
MAX/MIN TEMP 42 34 41 35
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 31 29 32 33 36 42 47 49 51 49 50 46 42 40 40 39 33
WIND GUST (MPH) 46 44 48 50 54 64 71 74 78 74 75 69 64 61 61 58 50
PRECIP PROB (%) 5 0 0 0 0 0 0 0 10 10 50 50 70 70 50 50 70
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.16 0.20 0.15
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.3 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.3 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 0.7 0.2
SNOW LEVEL (KFT) 8.2 9.4 9.3 9.2 8.7 8.1 7.7 7.4 7.0 6.8 7.4 8.1 8.5 9.1 9.0 8.8 8.5
SNOW RATIO (:1) 1 1 1 1 1 1 1 1 1 2 2 3 3 4 4 5 5
SNOW DENSITY (%) 100 100 100 100 100 100 100 100 100 50 50 33 33 25 25 20 20
..SONORA PASS (9800 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW SC SC SC SC FW FW FW SC SC OV OV OV OV OV OV OV
CLOUD COVER (%) 25 35 35 25 25 15 10 5 30 30 75 75 90 90 85 85 75
TEMPERATURE 36 36 43 44 40 36 36 35 34 34 38 38 34 35 37 36 35
MAX/MIN TEMP 45 32 40 33
WIND DIR W W W W W SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 31 29 32 31 34 41 44 48 51 52 55 50 46 41 40 39 34
WIND GUST (MPH) 47 44 48 46 51 62 67 72 77 85 88 80 73 66 64 59 51
PRECIP PROB (%) 5 0 0 0 0 0 0 0 10 10 40 40 70 70 50 50 60
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.07 0.13 0.10
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.6 0.6
12 HOUR SNOW 0.0 0.0 0.0 1.2
LOW END SNOW 0.0 0.0 0.0 0.1
HIGH END SNOW 0.0 0.0 2.7 1.4
SNOW LEVEL (KFT) 8.0 9.2 9.6 9.4 8.8 8.3 8.0 7.6 6.9 6.7 7.5 7.9 8.4 9.0 9.1 9.0 8.6
SNOW RATIO (:1) 2 2 2 2 2 2 2 2 2 2 2 3 5 5 5 7 8
SNOW DENSITY (%) 50 50 50 50 50 50 50 50 50 50 50 33 20 20 20 14 12
..MATTERHORN GLACIER (11000 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC SC SC SC FW FW FW BK BK OV OV OV OV OV
CLOUD COVER (%) 30 40 40 35 35 35 35 20 5 5 65 65 80 80 75 75 70
TEMPERATURE 29 29 36 38 34 29 28 28 28 28 34 36 32 30 32 32 29
MAX/MIN TEMP 38 26 37 26
WIND DIR W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 34 31 32 29 34 42 47 50 51 56 58 54 48 47 44 43 39
WIND GUST (MPH) 50 46 48 44 51 63 70 74 78 89 94 86 77 75 71 65 59
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 5 30 30 60 60 40 40 50
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.01 0.00 0.00 0.00 0.03 0.09 0.04
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.6 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.6
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 2.9 1.9
SNOW LEVEL (KFT) 8.7 9.5 9.9 9.7 9.1 8.6 8.2 7.8 7.1 6.5 7.4 7.8 8.2 9.1 9.2 9.2 8.8
SNOW RATIO (:1) 3 3 3 3 3 3 3 3 4 4 4 5 6 7 7 8 8
SNOW DENSITY (%) 33 33 33 33 33 33 33 33 25 25 25 20 16 14 14 12 12
..TIOGA ENTRY STATION (9950 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW SC SC SC SC SC FW FW FW FW BK BK OV OV BK BK BK
CLOUD COVER (%) 20 30 35 35 40 30 25 15 10 10 60 60 75 75 65 65 65
TEMPERATURE 33 34 41 41 35 33 31 31 30 30 39 40 35 33 34 35 32
MAX/MIN TEMP 42 28 41 28
WIND DIR W W W W W SW SW SW SW SW SW W SW SW SW W W
WIND (MPH) 26 25 26 24 26 32 36 39 39 46 50 48 41 41 39 34 29
WIND GUST (MPH) 39 37 40 36 40 48 54 58 58 69 75 72 62 62 58 52 44
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 30 30 50 50 30 30 40
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.01 0.00 0.00 0.00 0.00 0.08 0.03
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.6 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.6
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.0 0.0 1.7 1.0
SNOW LEVEL (KFT) 9.1 9.7 10.1 9.9 9.2 8.4 7.9 7.6 7.0 6.5 7.4 7.8 8.3 9.2 9.3 9.3 9.0
SNOW RATIO (:1) 2 2 2 2 2 2 2 2 3 2 3 4 4 5 6 7 7
SNOW DENSITY (%) 50 50 50 50 50 50 50 50 33 50 33 25 25 20 16 14 14
..MT WARREN SUMMIT (12325 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW SC SC SC SC BK SC SC FW FW BK BK OV OV BK BK BK
CLOUD COVER (%) 20 30 40 45 50 50 45 40 15 10 60 60 75 75 65 65 55
TEMPERATURE 31 31 34 34 31 29 28 28 29 29 31 32 29 29 30 32 30
MAX/MIN TEMP 34 28 32 28
WIND DIR W W W W W W SW SW W SW SW W SW W SW W W
WIND (MPH) 33 32 32 31 32 40 46 49 50 55 57 56 48 48 47 43 39
WIND GUST (MPH) 50 48 48 46 48 61 69 73 75 82 86 85 72 72 71 65 58
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 5 20 20 40 40 30 30 30
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 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 2.2 0.9
SNOW LEVEL (KFT) 9.8 10.1 10.0 9.7 9.1 8.5 7.9 7.6 7.0 6.5 7.6 8.0 8.5 9.4 9.4 9.3 8.9
SNOW RATIO (:1) 4 3 3 3 3 3 3 4 4 4 4 4 5 6 6 7 7
SNOW DENSITY (%) 25 33 33 33 33 33 33 25 25 25 25 25 20 16 16 14 14
..MAMMOTH MTN SUMMIT (11034 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC BK BK SC SC FW FW SC SC BK BK BK BK BK
CLOUD COVER (%) 45 40 40 45 50 50 40 45 20 5 50 50 65 65 60 60 65
TEMPERATURE 35 36 38 40 39 35 34 33 33 33 36 38 36 35 36 37 35
MAX/MIN TEMP 41 31 38 32
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 24 24 24 24 25 29 34 36 37 42 44 44 41 40 37 35 33
WIND GUST (MPH) 36 35 35 35 37 44 51 54 57 64 67 67 62 61 57 54 49
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 20 20 20 20 20 20 20
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 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) 9.8 9.8 10.0 9.9 9.2 8.5 8.0 7.8 7.4 7.1 7.7 8.2 8.3 9.0 9.1 9.4 9.1
SNOW RATIO (:1) 1 1 1 1 1 1 1 2 2 2 2 2 3 3 4 4 4
SNOW DENSITY (%) 100 100 100 100 100 100 100 50 50 50 50 50 33 33 25 25 25
..MAMMOTH MTN SESAME SNOW PLOT (9025 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC SC BK BK SC SC FW FW BK BK BK BK BK BK BK
CLOUD COVER (%) 45 45 40 45 50 50 40 45 20 5 50 50 65 65 60 60 60
TEMPERATURE 41 41 47 48 43 39 39 38 38 38 43 45 41 39 40 41 39
MAX/MIN TEMP 49 36 47 36
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 8 9 9 10 11 14 19 21 27 25 21 23 19 23 20 20 19
WIND GUST (MPH) 19 20 24 26 27 36 42 48 49 40 34 36 31 36 33 44 42
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 20 20 20 20 20 20 20
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 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 0.0
SNOW LEVEL (KFT) 9.9 9.9 10.0 9.8 9.3 8.6 8.1 7.8 7.4 7.1 7.8 8.2 8.3 9.1 9.1 9.4 9.1
SNOW RATIO (:1) 1 0 0 0 0 0 0 1 1 1 1 1 2 2 3 3 3
SNOW DENSITY (%) 100 0 0 0 0 0 0 100 100 100 100 100 50 50 33 33 33
..MAMMOTH MTN CANYON BASE (8358 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER SC SC SC BK SC BK SC SC SC FW SC SC BK BK BK BK BK
CLOUD COVER (%) 45 45 45 50 50 50 45 45 25 10 50 50 60 60 60 60 55
TEMPERATURE 42 42 52 54 51 43 41 40 39 39 48 51 48 43 42 42 39
MAX/MIN TEMP 56 38 53 36
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 5 5 6 10 10 12 13 13 18 18 19 25 21 21 16 13 12
WIND GUST (MPH) 14 16 23 26 26 33 35 37 37 29 31 40 34 34 25 36 32
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 20 20 20 20 20 20 20
PRECIP TYPE S S S R R R R
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.04 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 0.0
SNOW LEVEL (KFT) 10.2 10.1 10.0 9.7 9.1 8.5 8.0 7.8 7.4 7.1 7.7 8.1 8.2 9.1 9.2 9.4 9.1
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 1 0 0 0 1 1 2 2 2
SNOW DENSITY (%) 0 0 0 0 0 0 0 0 100 0 0 0 100 100 50 50 50
..BARCROFT RESEARCH STATION (12470 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW CL FW SC SC SC SC SC SC SC FW FW SC FW FW FW SC
CLOUD COVER (%) 5 5 10 40 35 40 35 50 35 30 10 20 30 25 15 25 35
TEMPERATURE 26 26 33 33 29 27 27 26 26 26 32 33 32 27 26 26 26
MAX/MIN TEMP 33 26 34 25
WIND DIR NW NW W W W W W W W W W W W W W W W
WIND (MPH) 27 21 19 21 20 24 26 27 28 31 32 31 28 27 24 25 23
WIND GUST (MPH) 42 33 29 32 32 36 40 42 42 47 48 47 43 41 36 39 35
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 5 5 5 5 5 5 5
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) 10.4 10.4 10.2 9.7 8.8 8.3 8.0 7.7 7.4 7.1 7.7 8.6 8.8 9.7 9.9 9.6 9.3
SNOW RATIO (:1) 4 4 3 3 3 3 3 3 4 4 4 4 4 5 5 6 7
SNOW DENSITY (%) 25 25 33 33 33 33 33 33 25 25 25 25 25 20 20 16 14
..ROCK CREEK LAKES (9700 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW FW SC SC SC BK BK BK SC FW FW FW BK BK BK BK SC
CLOUD COVER (%) 10 20 35 45 45 50 50 55 35 15 20 20 55 55 55 55 45
TEMPERATURE 35 34 42 47 41 35 33 31 29 29 39 44 39 37 34 33 31
MAX/MIN TEMP 48 27 46 28
WIND DIR W W W W W W W W SW SW SW W SW W SW W W
WIND (MPH) 24 23 24 24 24 26 28 29 33 34 41 43 37 35 34 33 28
WIND GUST (MPH) 36 35 36 36 35 40 43 46 50 51 62 65 57 54 51 50 43
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 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 0.01 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 0.1 0.2
SNOW LEVEL (KFT) 10.2 10.2 10.3 9.9 9.1 8.2 7.7 7.4 7.1 6.9 7.6 8.2 8.3 9.4 9.6 9.7 9.3
SNOW RATIO (:1) 1 1 1 0 1 0 1 1 2 2 2 2 2 3 4 4 4
SNOW DENSITY (%) 100 100 100 0 100 0 100 100 50 50 50 50 50 33 25 25 25
..BEAR CREEK SPIRE (13745 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW FW SC SC SC SC SC SC FW FW FW FW BK BK BK BK BK
CLOUD COVER (%) 15 25 30 40 40 50 45 35 20 10 25 25 55 55 55 55 60
TEMPERATURE 27 28 31 33 28 25 24 23 24 24 27 30 27 26 27 27 26
MAX/MIN TEMP 33 23 31 24
WIND DIR W W W W W W W W W W W W W W SW W W
WIND (MPH) 25 24 24 24 25 28 31 34 36 37 42 46 42 40 37 36 32
WIND GUST (MPH) 37 35 35 36 37 42 47 51 55 61 67 73 67 64 61 55 48
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 10 10 20 20 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 0.02 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 0.5 0.5
SNOW LEVEL (KFT) 10.2 10.3 10.3 10.0 9.0 8.1 7.7 7.3 6.9 6.7 7.4 8.0 8.1 9.4 9.7 9.7 9.4
SNOW RATIO (:1) 4 4 3 3 3 3 3 4 5 5 5 6 6 7 8 8 8
SNOW DENSITY (%) 25 25 33 33 33 33 33 25 20 20 20 16 16 14 12 12 12
..SOUTH LAKE (9600 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW SC SC SC SC BK BK SC SC SC FW FW SC SC SC SC SC
CLOUD COVER (%) 15 40 40 45 50 55 50 50 40 30 10 15 30 35 40 40 40
TEMPERATURE 33 33 44 47 41 32 31 30 30 29 40 45 41 35 34 33 31
MAX/MIN TEMP 48 28 47 29
WIND DIR W W W SW SW SW SW SW SW SW W W W W W W W
WIND (MPH) 21 19 18 18 19 23 23 26 29 29 34 37 35 32 28 28 25
WIND GUST (MPH) 32 28 27 27 29 33 34 39 43 48 55 61 57 51 46 42 37
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 5 5 5 5 10 10 10
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 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 0.2 0.2
SNOW LEVEL (KFT) 10.3 10.4 10.4 10.2 9.0 8.1 7.7 7.4 7.0 6.9 7.5 8.3 8.5 9.6 10.0 9.8 9.5
SNOW RATIO (:1) 1 1 0 0 0 0 1 1 2 2 2 2 2 2 3 4 5
SNOW DENSITY (%) 100 100 0 0 0 0 100 100 50 50 50 50 50 50 33 25 20
..HURD PEAK SUMMIT (12165 FT)
DATE THURSDAY 12/18/25 FRIDAY 12/19/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER FW SC SC SC SC BK SC SC SC FW FW FW SC SC SC SC SC
CLOUD COVER (%) 15 30 35 40 45 55 50 45 30 25 10 10 30 35 40 40 45
TEMPERATURE 31 31 42 45 39 31 31 31 30 28 37 42 37 33 34 34 31
MAX/MIN TEMP 47 28 44 29
WIND DIR W W W SW SW SW SW SW SW SW W W W W W W W
WIND (MPH) 20 18 18 18 19 21 23 26 28 31 35 37 36 32 29 28 25
WIND GUST (MPH) 29 28 28 27 29 33 35 39 43 49 57 61 58 51 48 43 39
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 5 5 5 5 10 10 10
PRECIP TYPE
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.01 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 0.2 0.2
SNOW LEVEL (KFT) 10.3 10.3 10.4 10.2 9.1 8.1 7.7 7.3 7.0 6.9 7.5 8.2 8.4 9.6 10.0 9.8 9.5
SNOW RATIO (:1) 2 2 1 1 1 1 2 2 3 3 4 4 4 4 4 5 6
SNOW DENSITY (%) 50 50 100 100 100 100 50 50 33 33 25 25 25 25 25 20 16
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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