412
FWUS45 KREV 182133
AVGREV
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE RENO NV
233 PM PDT THU SEP 18 2025
..FREDONYER PASS (5800 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 BK OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC SC
CLOUD COVER (%) 70 90 95 95 95 95 90 90 90 85 75 55 60 40 30 40 45
TEMPERATURE 77 65 60 58 57 57 63 65 64 58 55 53 52 54 63 68 66
MIN/MAX TEMP 55 67 52 70
WIND DIR E SW SW SW W N NE N W W W W W W SW W W
WIND (MPH) 4 4 4 3 3 4 5 4 3 2 2 2 2 2 4 5 4
WIND GUST (MPH) 11 10 11 8 6 8 11 11 11 8 8 5 4 5 9 12 13
PRECIP PROB (%) 5 5 5 5 10 20 10 20 20 20 5 5 5 5 20 20 5
PRECIP TYPE R R R R R R
6 HOUR QPF 0.00 0.00 0.01 0.01 0.01 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.0 11.7 11.5 11.7 11.6 11.5 11.5 11.9 12.2 12.3 12.1 12.1 11.8 11.8 11.7 11.8 11.9
..YUBA PASS (6700 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV OV OV BK SC SC SC SC SC SC
CLOUD COVER (%) 85 95 95 95 95 90 90 85 90 80 55 45 45 30 35 45 45
TEMPERATURE 69 56 52 51 49 48 55 57 56 50 48 45 44 45 58 62 60
MIN/MAX TEMP 47 59 43 64
WIND DIR SW SW SW E NE E E SW SW W SW SW S S SW W W
WIND (MPH) 6 5 6 5 5 5 4 4 4 3 4 3 4 4 4 5 5
WIND GUST (MPH) 16 13 13 11 9 9 10 11 11 8 9 6 5 8 9 13 14
PRECIP PROB (%) 5 10 10 20 30 20 20 30 20 20 5 5 5 5 20 20 5
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.11 0.10 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) 12.2 11.9 11.8 11.8 11.9 12.1 12.3 12.4 12.4 12.2 12.2 12.1 11.7 11.7 11.7 11.9 11.8
..LITTLE TRUCKEE SUMMIT (6400 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV OV OV BK SC SC FW SC SC SC
CLOUD COVER (%) 85 95 95 95 95 85 85 90 90 80 65 50 30 25 35 45 35
TEMPERATURE 72 60 55 51 48 48 60 61 57 53 49 46 43 46 63 67 64
MIN/MAX TEMP 45 63 42 69
WIND DIR W SW S N E NE SE SW SW W SW SW SW SW SW W W
WIND (MPH) 5 3 3 2 2 2 3 3 3 1 2 2 2 2 3 4 5
WIND GUST (MPH) 11 6 8 6 5 6 8 9 9 3 4 3 3 5 6 10 10
PRECIP PROB (%) 10 10 10 30 40 20 20 40 30 30 5 5 5 5 20 20 10
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.04 0.08 0.11 0.02 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) 12.2 12.0 11.9 11.8 12.1 12.2 12.4 12.5 12.4 12.4 12.2 12.1 11.8 11.8 11.9 12.1 12.1
..DONNER PASS (7200 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV OV OV BK SC SC SC SC SC SC
CLOUD COVER (%) 90 95 95 95 95 95 85 90 85 75 60 40 25 30 40 40 35
TEMPERATURE 64 55 53 51 49 49 51 52 51 49 48 45 44 46 55 59 57
MIN/MAX TEMP 47 54 43 60
WIND DIR W W E NE NE E E SW SW W SW SW W S SW W W
WIND (MPH) 9 6 10 13 14 12 11 9 6 6 6 5 5 5 6 8 9
WIND GUST (MPH) 14 11 14 20 21 18 16 12 10 10 11 9 9 9 10 12 13
PRECIP PROB (%) 10 10 10 40 40 30 30 40 30 30 5 5 5 5 20 20 10
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.05 0.10 0.16 0.03 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.3 12.0 11.9 11.9 12.1 12.3 12.5 12.5 12.4 12.3 12.1 12.1 11.8 11.8 11.8 12.1 12.0
..MT ROSE SUMMIT (8900 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW SC SC
CLOUD COVER (%) 90 95 95 95 95 90 85 85 75 55 55 45 30 25 20 35 30
TEMPERATURE 62 52 50 49 46 44 49 50 49 45 45 44 42 44 52 55 54
MIN/MAX TEMP 44 52 42 57
WIND DIR S W E E E SE SE S SW W W W W W SW W W
WIND (MPH) 5 8 11 17 14 12 11 8 5 6 5 5 5 6 6 6 8
WIND GUST (MPH) 9 12 17 26 21 18 17 11 9 11 9 9 9 10 10 10 12
PRECIP PROB (%) 20 20 20 40 40 30 20 40 30 30 5 5 5 5 10 10 10
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.00 0.05 0.12 0.20 0.04 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.1 12.0 11.8 12.0 12.3 12.4 12.6 12.6 12.6 12.4 12.2 12.1 11.8 11.8 11.8 12.2 12.3
..HOMEWOOD (8000 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV BK BK SC SC SC FW SC SC SC
CLOUD COVER (%) 90 90 95 100 95 95 90 90 70 65 45 40 35 25 35 35 25
TEMPERATURE 64 56 55 53 51 51 53 55 53 50 49 47 46 49 57 61 59
MIN/MAX TEMP 49 56 45 62
WIND DIR W S E E E E E SW SW W SW SW SW S SW W W
WIND (MPH) 9 8 12 18 14 11 9 5 5 6 8 6 5 5 5 8 9
WIND GUST (MPH) 12 12 19 27 23 17 13 9 8 10 11 10 9 9 8 12 13
PRECIP PROB (%) 20 20 30 50 50 50 40 50 30 40 10 10 5 5 20 20 10
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.00 0.07 0.12 0.19 0.01 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.2 12.1 11.9 12.1 12.3 12.5 12.5 12.6 12.4 12.3 12.1 12.0 11.8 11.7 11.7 12.1 12.0
..ECHO PASS (7500 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV OV BK SC SC SC FW SC SC SC
CLOUD COVER (%) 95 95 100 100 100 95 85 80 75 60 40 30 25 20 45 45 30
TEMPERATURE 62 56 55 54 52 50 49 53 51 49 50 49 47 49 55 57 56
MIN/MAX TEMP 48 54 46 59
WIND DIR SW W E SE NE E S SW SW W SW SW S S SW W W
WIND (MPH) 4 5 5 3 2 2 2 2 2 2 2 2 2 2 2 3 4
WIND GUST (MPH) 12 11 13 6 4 6 9 10 10 4 4 3 3 4 8 11 12
PRECIP PROB (%) 20 30 40 60 60 50 60 50 40 40 10 10 5 5 20 20 10
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.01 0.10 0.18 0.14 0.02 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.3 12.0 12.0 12.3 12.5 12.5 12.5 12.5 12.3 12.1 12.1 12.0 11.7 11.6 11.8 12.2 12.2
..CARSON PASS (8800 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV OV BK SC SC SC FW SC SC SC
CLOUD COVER (%) 95 95 95 100 100 90 90 75 70 60 40 30 25 20 45 45 30
TEMPERATURE 60 53 50 48 47 46 48 50 48 46 46 44 42 44 53 58 56
MIN/MAX TEMP 44 52 42 59
WIND DIR W E E SE E SE S SW SW W SW SW SW SW SW W W
WIND (MPH) 6 13 13 17 12 8 6 10 6 9 9 8 8 6 5 6 6
WIND GUST (MPH) 10 20 20 26 19 12 10 16 10 14 13 11 11 10 9 10 11
PRECIP PROB (%) 20 30 40 60 60 60 60 50 40 40 10 10 5 5 20 20 10
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.01 0.17 0.23 0.06 0.00 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.3 11.9 12.1 12.4 12.6 12.5 12.5 12.5 12.3 12.1 12.0 12.0 11.6 11.6 11.8 12.2 12.2
..EBBETTS PASS (8700 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV BK BK SC SC SC FW SC SC FW
CLOUD COVER (%) 95 95 100 95 100 90 90 75 65 65 45 25 25 20 50 50 25
TEMPERATURE 58 51 50 49 48 46 48 49 47 46 46 45 45 44 52 56 55
MIN/MAX TEMP 46 51 43 57
WIND DIR SW E E SE E SE S SW SW SW S S S S SW W W
WIND (MPH) 8 14 12 14 10 8 8 10 8 9 8 5 6 6 6 8 9
WIND GUST (MPH) 12 21 18 23 14 12 12 14 12 13 12 9 10 10 11 12 13
PRECIP PROB (%) 20 40 50 60 60 60 70 50 40 50 10 10 5 5 30 30 20
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.02 0.31 0.21 0.07 0.01 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.2 11.9 12.3 12.5 12.7 12.6 12.5 12.5 12.3 12.1 12.0 11.9 11.6 11.6 11.9 12.3 12.3
..SONORA PASS (9800 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV BK BK SC SC FW FW SC SC FW
CLOUD COVER (%) 90 100 100 95 95 90 85 70 65 65 45 35 25 15 50 50 25
TEMPERATURE 54 49 46 45 44 44 46 47 44 44 43 40 38 41 51 55 53
MIN/MAX TEMP 42 49 37 56
WIND DIR E E E SE SE S S SW SW SW S S S S SW W W
WIND (MPH) 10 14 13 12 9 8 8 6 8 6 8 5 5 5 6 8 8
WIND GUST (MPH) 14 23 20 18 13 12 12 11 11 11 11 9 8 9 10 11 12
PRECIP PROB (%) 10 50 60 60 60 50 70 60 50 50 10 10 5 5 30 30 20
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.04 0.30 0.24 0.13 0.02 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.1 12.0 12.5 12.8 12.8 12.6 12.5 12.5 12.3 12.0 12.0 11.9 11.7 11.6 11.9 12.4 12.4
..MATTERHORN GLACIER (11000 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV BK BK SC SC SC FW SC SC FW
CLOUD COVER (%) 90 100 95 95 100 90 80 75 65 65 45 30 25 20 45 45 25
TEMPERATURE 48 43 40 41 41 39 41 42 42 42 39 37 36 35 46 49 48
MIN/MAX TEMP 39 44 34 49
WIND DIR E E SE S S S S SW SW SW SW SW SW SW SW W W
WIND (MPH) 12 17 16 12 11 9 8 6 6 5 6 6 6 8 5 6 8
WIND GUST (MPH) 19 26 24 18 17 14 12 10 9 9 10 10 11 11 9 11 11
PRECIP PROB (%) 30 60 60 60 60 60 70 60 40 50 5 5 5 5 20 20 20
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.04 0.23 0.17 0.14 0.01 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 11.8 12.2 12.8 12.8 12.8 12.7 12.6 12.6 12.4 12.1 12.0 11.8 11.8 11.7 12.0 12.4 12.5
..TIOGA ENTRY STATION (9950 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV BK BK SC FW FW FW SC SC SC
CLOUD COVER (%) 90 100 95 95 100 85 80 70 65 60 40 25 25 20 45 45 25
TEMPERATURE 50 43 42 42 40 40 46 47 48 44 40 38 35 38 52 54 52
MIN/MAX TEMP 38 48 34 54
WIND DIR E E SE SE S S S SW SW W SW SW SW SW SW W W
WIND (MPH) 10 13 12 9 9 9 6 5 5 3 4 4 5 5 4 4 5
WIND GUST (MPH) 16 20 19 13 13 13 10 9 8 5 6 6 8 8 8 6 9
PRECIP PROB (%) 50 60 60 60 60 60 70 50 40 40 5 5 5 5 20 20 10
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.23 0.13 0.11 0.07 0.02 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 11.9 12.5 12.8 12.9 12.9 12.7 12.6 12.6 12.4 12.2 12.0 11.8 11.8 11.8 12.1 12.5 12.6
..MT WARREN SUMMIT (12325 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV BK BK BK SC FW SC FW SC SC SC
CLOUD COVER (%) 95 95 95 95 100 90 80 70 60 60 35 25 25 20 50 50 35
TEMPERATURE 41 39 37 38 38 36 35 38 37 38 36 36 35 36 41 44 42
MIN/MAX TEMP 35 39 35 44
WIND DIR SE E SE SE S S S SW SW W SW SW SW SW S W W
WIND (MPH) 11 16 14 11 11 11 8 6 5 4 4 5 6 8 5 4 5
WIND GUST (MPH) 17 24 21 17 17 17 12 9 9 6 8 9 10 11 8 6 9
PRECIP PROB (%) 40 60 60 60 60 60 70 50 40 40 5 5 5 5 20 20 10
PRECIP TYPE S S R R R R S R R R S R
6 HOUR QPF 0.16 0.15 0.11 0.10 0.00 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 11.9 12.3 12.8 12.8 12.8 12.7 12.7 12.7 12.4 12.2 12.0 11.8 11.8 11.8 12.1 12.5 12.6
..MAMMOTH MTN SUMMIT (11034 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV BK BK BK SC SC FW FW FW FW FW
CLOUD COVER (%) 95 95 95 95 100 85 80 65 60 60 35 30 25 20 20 20 15
TEMPERATURE 48 44 44 45 45 43 43 44 46 45 43 42 42 41 48 52 51
MIN/MAX TEMP 42 47 40 54
WIND DIR E E SE S S S SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 14 17 14 10 9 8 8 9 9 8 6 6 5 5 4 6 8
WIND GUST (MPH) 23 25 21 16 13 12 12 13 13 11 10 10 9 9 8 10 12
PRECIP PROB (%) 60 50 50 60 60 60 70 50 30 30 5 5 0 0 10 10 10
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.19 0.15 0.15 0.17 0.01 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) 12.3 12.9 12.9 12.8 12.9 12.8 12.6 12.6 12.4 12.1 12.0 11.8 11.8 11.8 12.0 12.5 12.5
..MAMMOTH MTN SESAME SNOW PLOT (9025 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV BK BK BK SC SC FW FW FW FW FW
CLOUD COVER (%) 90 95 95 95 100 85 80 65 55 55 35 25 25 20 20 20 15
TEMPERATURE 53 48 49 50 50 49 49 50 52 49 48 47 46 50 55 58 56
MIN/MAX TEMP 48 53 45 60
WIND DIR E E E E S S SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 9 8 6 3 2 4 5 5 5 3 2 2 2 2 4 5 6
WIND GUST (MPH) 23 19 17 10 9 11 14 18 17 10 10 6 6 10 12 16 17
PRECIP PROB (%) 60 50 50 60 60 60 70 50 30 30 5 5 5 5 10 10 10
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.18 0.16 0.16 0.12 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) 12.2 12.8 12.9 12.8 12.8 12.8 12.6 12.6 12.4 12.1 12.0 11.8 11.8 11.8 12.0 12.5 12.5
..MAMMOTH MTN CANYON BASE (8358 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV BK BK BK SC SC SC FW FW FW FW
CLOUD COVER (%) 95 95 95 95 95 80 80 65 55 55 35 30 25 20 20 20 20
TEMPERATURE 59 53 52 51 49 49 55 57 57 53 51 47 45 50 61 65 63
MIN/MAX TEMP 47 61 44 67
WIND DIR E NE NE NE NE NE SW SW SW SW SW SW SW SW S SW SW
WIND (MPH) 9 6 5 2 2 2 4 5 5 3 2 2 2 2 2 4 5
WIND GUST (MPH) 24 19 14 8 6 8 14 17 17 9 8 5 5 6 10 14 17
PRECIP PROB (%) 60 40 50 60 50 60 70 50 30 30 5 5 0 0 10 10 10
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.16 0.11 0.10 0.10 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) 12.3 12.8 12.9 12.8 12.9 12.8 12.7 12.6 12.4 12.1 12.0 11.9 11.9 11.8 12.0 12.5 12.6
..BARCROFT RESEARCH STATION (12470 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV OV OV BK BK SC SC SC SC SC SC
CLOUD COVER (%) 90 85 95 90 85 75 75 75 70 65 55 45 35 35 30 30 30
TEMPERATURE 37 34 34 34 33 34 36 38 37 36 34 34 32 34 40 43 42
MIN/MAX TEMP 33 38 32 43
WIND DIR SE SE S S S S S SW SW SW SW SW S W S S S
WIND (MPH) 17 13 17 16 13 13 13 12 10 8 5 5 5 10 9 9 8
WIND GUST (MPH) 26 20 25 23 21 20 20 18 14 12 9 9 9 14 13 13 12
PRECIP PROB (%) 40 30 50 40 50 40 60 60 20 20 5 5 5 5 10 10 5
PRECIP TYPE S S S S S S R R T T
6 HOUR QPF 0.06 0.07 0.03 0.05 0.01 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.5 12.9 13.0 12.9 12.8 12.8 13.0 13.1 13.0 12.8 12.8 12.5 12.4 12.2 12.3 12.6 12.7
..ROCK CREEK LAKES (9700 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV BK OV BK BK BK SC SC SC FW SC SC SC
CLOUD COVER (%) 90 90 95 95 95 70 80 65 55 55 40 40 35 25 45 45 35
TEMPERATURE 48 46 44 42 40 41 48 50 50 47 42 39 36 40 52 55 55
MIN/MAX TEMP 37 53 35 57
WIND DIR SE SE S S S S S SW SW W W W W W S SW SW
WIND (MPH) 16 13 13 10 8 9 9 6 5 4 4 5 5 6 5 5 5
WIND GUST (MPH) 23 20 20 14 11 13 13 10 8 6 6 8 9 10 9 9 8
PRECIP PROB (%) 60 40 50 60 40 50 70 50 30 30 5 5 5 5 20 20 10
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.11 0.06 0.06 0.04 0.00 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.5 12.9 12.9 12.9 12.8 12.8 12.9 12.9 12.7 12.4 12.2 12.0 11.9 11.8 12.2 12.6 12.7
..BEAR CREEK SPIRE (13745 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV BK BK BK SC SC SC FW SC SC SC
CLOUD COVER (%) 90 90 100 95 95 75 80 65 60 55 45 45 35 15 40 40 25
TEMPERATURE 37 35 35 34 34 34 37 38 37 36 33 32 32 34 41 43 41
MIN/MAX TEMP 34 38 32 43
WIND DIR SE SE S S S S S SW SW W W W SW SW SW SW W
WIND (MPH) 12 12 12 10 9 10 9 6 4 4 4 5 5 6 5 4 4
WIND GUST (MPH) 19 19 19 14 13 14 13 9 8 6 6 8 9 10 9 8 6
PRECIP PROB (%) 60 40 50 60 50 60 70 50 30 30 5 5 5 5 20 20 10
PRECIP TYPE S S S S S S R R R S R R
6 HOUR QPF 0.17 0.10 0.09 0.06 0.00 0.00 0.00 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 0.0 0.0
SNOW LEVEL (KFT) 12.6 12.9 13.0 12.9 12.8 12.8 12.9 12.9 12.8 12.4 12.2 12.0 11.9 11.9 12.3 12.6 12.7
..SOUTH LAKE (9600 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV BK BK BK SC SC SC FW SC SC SC
CLOUD COVER (%) 90 95 95 95 90 70 80 70 50 50 40 40 40 20 30 30 35
TEMPERATURE 50 44 43 41 41 41 52 55 53 45 41 39 37 39 56 59 57
MIN/MAX TEMP 39 56 37 61
WIND DIR SE SE SE S S S S SW SW SW SW W SW SW SE S S
WIND (MPH) 12 12 13 10 9 9 9 8 6 3 4 4 4 6 5 6 4
WIND GUST (MPH) 18 19 19 14 13 13 13 12 10 5 6 6 8 10 9 10 6
PRECIP PROB (%) 50 50 50 60 60 60 70 50 30 30 5 5 5 5 20 20 10
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.19 0.06 0.07 0.03 0.00 0.00 0.00 0.03
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) 12.8 13.0 13.0 12.9 12.8 12.8 12.9 12.9 12.7 12.4 12.3 12.0 12.0 11.9 12.4 12.7 12.8
..HURD PEAK SUMMIT (12165 FT)
DATE FRIDAY 09/19/25 SATURDAY 09/20/25
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 OV OV OV OV OV OV OV BK BK BK SC SC SC FW SC SC SC
CLOUD COVER (%) 90 95 100 95 95 75 80 70 50 50 45 40 40 20 30 30 30
TEMPERATURE 45 42 43 42 42 40 47 51 48 43 41 39 37 36 51 54 52
MIN/MAX TEMP 40 52 35 57
WIND DIR SE SE S S S S S SW SW W W W SW SW S S SW
WIND (MPH) 11 13 12 10 9 9 9 8 5 3 4 4 4 6 5 6 4
WIND GUST (MPH) 16 19 19 14 13 13 13 12 9 5 6 6 6 10 9 10 6
PRECIP PROB (%) 50 60 50 70 60 60 70 50 30 30 5 5 5 5 20 20 10
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.19 0.07 0.09 0.04 0.00 0.00 0.00 0.03
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) 12.8 13.0 13.0 12.9 12.8 12.8 12.9 12.9 12.7 12.4 12.3 12.0 12.0 11.9 12.4 12.7 12.8
--- 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