911
FWUS45 KREV 180933
AVGREV
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE RENO NV
233 AM PDT THU SEP 18 2025
..FREDONYER PASS (5800 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV BK OV OV OV OV OV OV OV OV OV OV OV BK BK BK
CLOUD COVER (%) 85 75 65 70 80 85 90 95 90 90 95 85 80 85 70 60 60
TEMPERATURE 55 57 71 78 77 64 60 58 55 55 60 64 61 56 54 53 51
MAX/MIN TEMP 79 53 65 51
WIND DIR E E E E SW SW SW SW N NE E SW W W W W W
WIND (MPH) 2 4 5 5 4 3 3 3 3 3 4 5 4 2 2 2 2
WIND GUST (MPH) 4 9 12 13 12 10 10 8 6 6 9 11 11 8 6 5 5
PRECIP PROB (%) 0 0 0 5 10 5 20 20 20 20 30 30 30 30 5 5 5
PRECIP TYPE R R R R R R R R
6 HOUR QPF 0.00 0.00 0.00 0.05 0.03 0.06 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) 12.0 11.8 11.7 12.0 12.1 11.7 11.7 11.5 11.6 12.0 12.3 12.5 12.5 12.2 12.1 12.0 11.9
..YUBA PASS (6700 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV BK BK OV OV OV OV OV OV OV OV OV OV OV BK BK SC
CLOUD COVER (%) 75 65 65 75 85 90 95 95 85 95 85 85 80 80 65 60 50
TEMPERATURE 51 52 69 75 69 57 51 50 47 47 54 56 55 50 48 45 44
MAX/MIN TEMP 75 45 57 43
WIND DIR SE SE SE SW SW S S SE S E E W W W SW SW S
WIND (MPH) 5 5 4 6 6 6 6 5 5 5 4 4 4 3 5 4 4
WIND GUST (MPH) 10 10 11 16 16 14 14 11 9 9 9 11 11 8 10 8 6
PRECIP PROB (%) 0 0 5 5 10 20 30 30 20 30 40 40 30 30 10 10 10
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.02 0.07 0.07 0.11 0.07 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) 12.0 11.8 11.8 12.2 12.2 11.9 11.6 12.3 12.4 12.5 12.5 12.6 12.4 12.1 12.0 12.0 11.8
..LITTLE TRUCKEE SUMMIT (6400 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV BK BK OV OV OV OV OV OV OV OV OV OV OV BK BK SC
CLOUD COVER (%) 80 65 60 80 85 90 95 85 75 85 80 90 75 80 60 55 50
TEMPERATURE 49 52 73 78 72 60 54 50 47 47 59 60 59 53 49 46 43
MAX/MIN TEMP 78 44 61 42
WIND DIR SE SE SE S SW S SE E E SE E W W W SW SW SW
WIND (MPH) 3 3 3 4 5 3 3 2 2 2 3 3 4 1 2 2 2
WIND GUST (MPH) 6 6 9 11 11 6 8 5 5 5 6 8 9 4 5 4 4
PRECIP PROB (%) 0 0 5 5 10 20 40 30 20 30 50 50 40 40 10 10 10
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.02 0.09 0.05 0.11 0.06 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) 12.0 11.8 11.7 12.2 12.3 11.8 11.7 12.3 12.5 12.5 12.6 12.7 12.5 12.1 12.1 12.1 11.9
..DONNER PASS (7200 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 BK BK BK OV OV OV OV OV OV OV OV OV OV OV BK BK SC
CLOUD COVER (%) 65 65 65 75 85 90 95 85 85 85 85 85 80 80 65 50 50
TEMPERATURE 51 54 66 69 63 55 53 50 49 48 50 52 51 49 48 46 45
MAX/MIN TEMP 70 47 53 44
WIND DIR E E SE SW SW SW SE SW S E S W SW W SW SW SW
WIND (MPH) 8 8 10 5 8 8 13 11 10 10 8 9 9 6 4 3 5
WIND GUST (MPH) 11 12 14 8 12 11 19 17 16 16 11 13 13 10 6 5 9
PRECIP PROB (%) 0 0 5 10 10 30 40 30 20 40 50 50 40 40 10 10 10
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.05 0.10 0.07 0.17 0.08 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) 11.9 11.8 11.8 12.2 12.1 11.8 12.0 12.4 12.5 12.6 12.6 12.7 12.4 12.2 12.1 12.0 11.8
..MT ROSE SUMMIT (8900 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV BK OV OV OV OV OV OV OV OV OV OV OV OV BK SC SC
CLOUD COVER (%) 70 65 70 75 85 95 95 80 75 80 80 85 80 80 60 50 45
TEMPERATURE 50 51 61 64 61 51 49 48 46 45 48 49 48 45 45 45 44
MAX/MIN TEMP 65 45 50 43
WIND DIR SE SE SE SE S S SE SW S SW E NW W W W W W
WIND (MPH) 8 10 11 9 8 11 18 16 13 10 10 9 11 9 6 5 5
WIND GUST (MPH) 11 14 17 12 11 16 27 24 19 16 16 13 17 14 11 9 9
PRECIP PROB (%) 0 0 5 5 20 30 40 20 30 30 50 50 40 40 5 5 10
PRECIP TYPE R R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.03 0.06 0.04 0.14 0.04 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) 11.7 11.6 11.7 11.9 12.0 11.7 12.0 12.4 12.5 12.6 12.7 12.7 12.5 12.4 12.2 12.2 12.0
..HOMEWOOD (8000 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC
CLOUD COVER (%) 60 70 70 80 85 90 95 90 80 85 80 85 75 75 60 55 45
TEMPERATURE 55 57 66 69 64 56 54 53 51 50 53 54 53 50 50 49 47
MAX/MIN TEMP 70 48 55 46
WIND DIR E SE SE SW W E SE SW S E E W W W SW SW SW
WIND (MPH) 9 9 9 4 6 11 13 9 10 9 8 9 11 6 5 3 6
WIND GUST (MPH) 12 14 13 8 10 17 20 13 14 13 11 13 17 10 9 5 10
PRECIP PROB (%) 0 0 5 10 10 30 40 30 30 50 50 50 40 40 10 10 10
PRECIP TYPE R R R R R R R R R
6 HOUR QPF 0.00 0.00 0.05 0.07 0.05 0.19 0.04 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) 11.9 11.8 11.9 12.2 12.1 12.1 12.4 12.6 12.6 12.7 12.7 12.6 12.4 12.1 12.1 12.0 11.9
..ECHO PASS (7500 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC
CLOUD COVER (%) 75 75 75 85 90 95 90 85 85 85 90 85 80 70 55 50 45
TEMPERATURE 55 57 64 66 62 55 54 53 52 51 50 52 51 49 50 51 50
MAX/MIN TEMP 68 49 54 47
WIND DIR SE SE SE W SW S E S S E NW W W W SW SW SW
WIND (MPH) 3 3 2 3 3 5 5 3 2 2 2 2 2 2 2 2 2
WIND GUST (MPH) 5 6 9 11 11 11 11 6 4 5 8 10 10 4 4 3 3
PRECIP PROB (%) 0 0 10 10 30 40 50 30 50 50 60 60 40 40 20 20 20
PRECIP TYPE R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.07 0.06 0.04 0.17 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 0.0 0.0
SNOW LEVEL (KFT) 11.9 11.8 12.1 12.4 12.2 12.3 12.7 12.7 12.7 12.8 12.7 12.6 12.6 12.2 12.0 12.1 11.9
..CARSON PASS (8800 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC
CLOUD COVER (%) 70 70 80 85 90 90 90 75 90 85 80 85 75 65 55 50 50
TEMPERATURE 49 52 61 65 59 52 50 48 47 46 48 50 50 47 47 44 43
MAX/MIN TEMP 66 45 52 42
WIND DIR E SE SE SW E SE SE S S E SE SW W W SW SW SW
WIND (MPH) 13 13 12 4 6 14 19 9 10 8 9 10 14 12 8 6 8
WIND GUST (MPH) 20 19 18 6 10 21 28 13 16 12 13 16 23 18 11 10 12
PRECIP PROB (%) 0 0 10 20 40 40 50 30 50 40 60 60 40 40 10 10 20
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.13 0.05 0.04 0.12 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 0.0 0.0
SNOW LEVEL (KFT) 11.9 11.8 12.1 12.4 12.1 12.3 12.7 12.7 12.7 12.8 12.8 12.6 12.6 12.2 12.0 12.1 11.9
..EBBETTS PASS (8700 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC
CLOUD COVER (%) 70 70 85 90 90 95 85 75 90 90 80 85 70 65 55 40 40
TEMPERATURE 53 53 62 63 57 50 49 49 48 46 47 48 48 47 47 45 44
MAX/MIN TEMP 65 46 50 43
WIND DIR E E SE SW SE SE S S S E W SW SW W SW SW SW
WIND (MPH) 12 13 10 5 6 13 13 12 10 6 8 11 16 12 8 6 8
WIND GUST (MPH) 19 21 16 8 10 19 19 19 14 11 12 17 24 19 12 10 12
PRECIP PROB (%) 0 0 10 20 40 50 40 50 50 40 70 70 40 40 10 10 10
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.03 0.19 0.01 0.04 0.15 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 0.0 0.0
SNOW LEVEL (KFT) 11.9 11.8 12.1 12.3 12.1 12.6 12.8 12.7 12.8 12.8 12.8 12.6 12.5 12.3 12.1 12.1 12.0
..SONORA PASS (9800 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV BK OV OV OV OV OV OV SC SC SC
CLOUD COVER (%) 75 70 85 90 90 90 85 70 85 85 85 80 70 70 50 35 35
TEMPERATURE 47 48 58 59 52 47 46 45 43 43 46 47 46 44 44 41 39
MAX/MIN TEMP 61 41 49 38
WIND DIR E E SE E E E E S S SE S SW SW W SW SW SW
WIND (MPH) 12 14 12 6 12 17 12 12 8 8 9 11 12 11 8 5 6
WIND GUST (MPH) 19 21 18 10 18 25 19 18 11 11 14 17 19 18 12 9 10
PRECIP PROB (%) 0 5 10 30 50 50 30 50 50 50 70 70 40 40 10 10 10
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.07 0.19 0.01 0.08 0.12 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 0.0 0.0
SNOW LEVEL (KFT) 11.8 11.8 12.2 12.2 12.1 12.7 12.9 12.9 12.8 12.9 12.9 12.7 12.7 12.4 12.2 12.2 12.0
..MATTERHORN GLACIER (11000 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV BK BK OV OV OV OV BK BK BK SC SC
CLOUD COVER (%) 75 75 85 85 90 90 70 65 85 85 90 80 65 60 55 40 35
TEMPERATURE 43 44 53 52 46 42 41 40 40 38 41 42 42 42 39 38 36
MAX/MIN TEMP 53 38 43 34
WIND DIR SE SE SE E E SE S S S SE S SW SW W W SW SW
WIND (MPH) 13 14 13 8 18 18 16 12 10 10 11 11 10 9 10 8 6
WIND GUST (MPH) 20 21 20 12 26 28 24 19 16 14 17 17 16 14 14 12 11
PRECIP PROB (%) 0 5 5 30 60 50 30 50 50 60 70 70 40 40 10 10 5
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.08 0.19 0.02 0.12 0.11 0.03 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) 11.8 11.9 12.1 12.1 12.5 12.9 12.9 12.9 12.8 12.8 12.9 12.8 12.8 12.5 12.2 12.3 12.1
..TIOGA ENTRY STATION (9950 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV BK BK OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 75 85 90 90 90 90 65 70 90 85 90 80 65 60 40 35 30
TEMPERATURE 45 46 56 55 47 42 41 42 40 40 46 47 47 44 40 38 35
MAX/MIN TEMP 57 37 48 34
WIND DIR E E SE E E E E S S SE S SW SW W SW SW SW
WIND (MPH) 11 12 12 9 13 13 12 10 8 9 10 9 8 6 6 5 4
WIND GUST (MPH) 16 18 18 13 20 20 18 16 12 13 14 14 12 11 11 8 8
PRECIP PROB (%) 0 5 10 30 60 40 30 50 50 50 70 70 40 40 5 5 5
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.19 0.11 0.02 0.13 0.06 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 0.0 0.0
SNOW LEVEL (KFT) 11.9 11.9 12.0 12.0 12.5 13.0 12.9 12.9 12.7 12.8 12.9 12.8 12.7 12.5 12.3 12.3 12.1
..MT WARREN SUMMIT (12325 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV BK BK OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 75 90 95 90 90 90 65 65 85 80 90 80 65 60 40 35 30
TEMPERATURE 42 41 45 46 39 38 37 37 37 36 35 38 38 39 36 35 34
MAX/MIN TEMP 47 35 39 34
WIND DIR SE SE SE SE SE SE S S SW S S S SW W W W W
WIND (MPH) 12 13 14 10 17 16 14 11 9 10 10 10 9 8 9 6 6
WIND GUST (MPH) 18 20 21 14 25 25 23 18 14 16 16 16 13 12 13 10 11
PRECIP PROB (%) 0 5 5 30 50 40 30 50 50 50 70 70 40 40 5 5 5
PRECIP TYPE S S R R R R R R R R S
6 HOUR QPF 0.00 0.11 0.13 0.01 0.11 0.08 0.02 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) 11.9 11.9 12.0 12.0 12.2 12.9 12.9 12.9 12.7 12.8 12.9 12.9 12.7 12.5 12.3 12.3 12.1
..MAMMOTH MTN SUMMIT (11034 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 90 90 90 90 85 85 75 75 80 85 80 75 55 55 45 40 30
TEMPERATURE 49 47 53 54 46 43 44 45 45 43 43 45 45 44 44 43 42
MAX/MIN TEMP 56 42 47 40
WIND DIR SE SE E E E E SE S S SE S SW SW W W SW W
WIND (MPH) 12 12 11 14 16 17 11 11 8 8 9 10 10 9 10 8 6
WIND GUST (MPH) 18 18 17 21 24 26 17 17 12 12 13 16 14 14 14 11 10
PRECIP PROB (%) 0 5 10 40 60 30 30 50 40 50 60 60 30 30 5 5 5
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.12 0.04 0.03 0.25 0.07 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) 11.9 11.9 12.0 12.3 13.0 13.1 13.0 12.9 12.7 12.8 12.9 13.0 12.7 12.3 12.2 12.3 12.1
..MAMMOTH MTN SESAME SNOW PLOT (9025 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 90 90 90 90 85 85 75 75 80 85 75 75 55 50 45 40 30
TEMPERATURE 54 55 60 59 50 47 49 50 50 50 49 50 50 48 48 47 45
MAX/MIN TEMP 62 47 52 44
WIND DIR E E E E E E NE SW SW SE S SW SW W SW SW SW
WIND (MPH) 2 3 5 6 6 5 5 2 2 2 4 5 5 3 3 2 2
WIND GUST (MPH) 9 11 17 20 19 16 13 9 8 10 12 16 18 11 10 9 8
PRECIP PROB (%) 0 5 10 40 60 30 30 50 40 50 60 60 30 30 5 5 5
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.13 0.05 0.02 0.20 0.06 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) 11.9 11.9 12.0 12.2 13.0 13.1 13.0 12.9 12.7 12.8 12.9 13.0 12.8 12.3 12.2 12.3 12.1
..MAMMOTH MTN CANYON BASE (8358 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 90 85 90 90 90 80 80 85 80 80 75 75 55 50 45 40 30
TEMPERATURE 54 56 65 66 57 52 52 50 49 50 55 57 57 54 52 48 45
MAX/MIN TEMP 68 45 60 44
WIND DIR SW SW E E E NE NW NW NW SE SE SW SW SW SW SW SW
WIND (MPH) 2 2 5 8 8 5 5 2 2 2 3 5 5 3 3 2 2
WIND GUST (MPH) 6 9 17 20 20 14 12 6 5 6 11 16 18 10 9 6 5
PRECIP PROB (%) 0 5 10 40 60 30 30 50 40 50 60 60 30 30 5 5 0
PRECIP TYPE R R R R R R R R R R R
6 HOUR QPF 0.00 0.09 0.04 0.01 0.18 0.06 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) 11.9 11.9 11.9 12.2 12.9 13.1 13.0 12.9 12.7 12.8 12.9 13.1 12.8 12.4 12.2 12.3 12.2
..BARCROFT RESEARCH STATION (12470 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK SC SC SC SC
CLOUD COVER (%) 80 90 100 95 85 90 85 85 85 75 80 75 60 50 40 35 40
TEMPERATURE 38 40 43 41 37 35 33 34 34 34 36 38 37 36 34 33 32
MAX/MIN TEMP 43 33 38 32
WIND DIR SE SE SE SE SE S S S S S S S S W W W W
WIND (MPH) 11 14 16 20 24 19 19 18 19 19 18 14 12 10 6 6 8
WIND GUST (MPH) 17 23 24 31 35 29 29 27 28 29 27 23 18 14 11 10 12
PRECIP PROB (%) 0 5 10 30 40 20 40 30 30 40 50 50 20 20 10 10 5
PRECIP TYPE S S S S S S S R R T T
6 HOUR QPF 0.00 0.06 0.04 0.01 0.07 0.07 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) 11.8 11.8 11.9 12.2 12.7 12.9 12.8 12.8 12.7 12.7 12.9 13.2 13.2 12.9 12.7 12.5 12.4
..ROCK CREEK LAKES (9700 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV BK OV OV BK BK SC SC SC
CLOUD COVER (%) 90 90 90 90 85 75 70 80 90 65 80 80 60 55 45 45 40
TEMPERATURE 43 44 55 55 48 46 44 41 40 41 48 50 50 47 43 39 36
MAX/MIN TEMP 58 37 52 35
WIND DIR SE SE SE SE SE SE S S SW S SE SW W W W W W
WIND (MPH) 10 13 14 17 16 13 13 12 10 9 10 10 6 5 5 5 5
WIND GUST (MPH) 16 19 23 25 24 20 20 18 14 14 16 16 11 9 9 8 8
PRECIP PROB (%) 5 10 30 40 60 30 40 50 30 50 70 70 30 30 5 5 5
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.00 0.17 0.04 0.01 0.10 0.06 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) 11.9 11.9 11.9 12.2 12.9 13.0 12.9 12.9 12.8 12.8 13.0 13.2 12.9 12.5 12.3 12.4 12.2
..BEAR CREEK SPIRE (13745 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC
CLOUD COVER (%) 90 90 85 85 80 85 85 85 90 75 80 80 55 55 45 40 35
TEMPERATURE 38 39 42 41 37 35 34 35 34 35 37 38 38 36 33 32 32
MAX/MIN TEMP 43 33 38 32
WIND DIR SE SE SE E SE SE S S S S S SW SW W W W W
WIND (MPH) 10 12 13 16 13 12 12 11 10 10 10 9 5 4 5 5 6
WIND GUST (MPH) 16 19 21 24 20 19 19 18 14 14 14 13 9 6 9 9 10
PRECIP PROB (%) 5 10 40 50 60 20 30 50 30 50 70 70 30 30 5 5 5
PRECIP TYPE S R S S S S S S R R R S
6 HOUR QPF 0.00 0.16 0.05 0.01 0.17 0.11 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) 12.0 12.0 12.0 12.4 13.1 13.1 12.9 12.9 12.7 12.8 13.0 13.2 12.9 12.6 12.3 12.4 12.2
..SOUTH LAKE (9600 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV BK OV OV BK SC SC SC SC
CLOUD COVER (%) 95 90 95 95 90 85 75 80 90 70 75 80 60 50 40 35 40
TEMPERATURE 45 45 56 56 50 44 42 41 40 40 51 54 53 44 42 39 37
MAX/MIN TEMP 59 38 56 36
WIND DIR SE SE SE SE SE SE S S S S S S SW W W W W
WIND (MPH) 9 13 13 14 12 11 13 12 11 11 11 9 8 5 5 5 5
WIND GUST (MPH) 13 19 20 21 18 17 21 19 17 17 17 14 11 9 9 8 9
PRECIP PROB (%) 5 10 40 40 60 30 30 50 40 50 60 60 30 30 5 5 5
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.00 0.27 0.06 0.01 0.11 0.06 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) 12.0 11.9 12.0 12.5 13.2 13.1 12.9 12.9 12.7 12.8 13.0 13.2 12.9 12.7 12.4 12.4 12.3
..HURD PEAK SUMMIT (12165 FT)
DATE THURSDAY 09/18/25 FRIDAY 09/19/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK SC SC SC SC
CLOUD COVER (%) 95 90 90 90 85 80 80 90 90 70 75 75 60 50 45 35 40
TEMPERATURE 46 44 52 52 46 42 42 42 41 39 46 50 48 42 42 39 39
MAX/MIN TEMP 55 39 52 36
WIND DIR SE E SE SE S SE S S S S S S SW W W W W
WIND (MPH) 9 12 13 13 11 10 13 12 11 11 11 9 8 5 5 5 5
WIND GUST (MPH) 13 19 20 20 17 16 20 18 17 17 17 13 11 9 9 8 9
PRECIP PROB (%) 5 10 40 50 60 30 30 50 40 60 70 70 30 30 5 5 5
PRECIP TYPE R R R R R R R R R R R R
6 HOUR QPF 0.00 0.27 0.06 0.02 0.17 0.07 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) 12.0 12.0 12.1 12.6 13.2 13.1 12.9 12.9 12.7 12.8 13.0 13.2 12.9 12.7 12.3 12.4 12.3
--- 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