Avalanche Weather Guidance
Issued by NWS Medford, OR
Issued by NWS Medford, OR
639
FWUS46 KMFR 151021
AVGMFR
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE MEDFORD OR
221 AM PST MON DEC 15 2025
...MT. SHASTA SKI BOWL (7,850 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 75 85 55 50 75 85 85 95 75 95 85 85 95 95 100 100 95
TEMPERATURE 40 41 42 42 41 41 41 41 40 40 39 39 40 38 39 38 39
MAX/MIN TEMP 43 38 41 35
WIND DIR SW SW SW SW SW SW SW SW W W SW SW SW SW SW SW W
WIND (MPH) 24 24 23 23 25 23 27 23 26 28 28 23 29 32 28 32 42
WIND GUST (MPH) 44 51 41 61 65 69
PRECIP PROB (%) 5 20 20 20 40 60 50 30 40 40 70 70 90 90 100 100 90
PRECIP TYPE R R R R R R R R S R S R S S R S
6 HOUR QPF 0.00 0.07 0.21 0.04 0.09 0.21 0.41 0.34
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1
12 HOUR SNOW 0.0 0.0 0.0 0.2
SNOW LEVEL (KFT) 9.0 9.7 10.1 10.3 10.4 10.4 10.0 9.3 9.1 8.8 8.5 8.6 9.1 9.3 9.5 8.9 8.1
...MT. SHASTA BUNNY FLAT (6,930 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 85 90 55 50 75 85 85 90 75 95 80 85 95 95 100 100 95
TEMPERATURE 36 38 42 43 40 37 38 39 37 37 40 39 39 37 37 37 36
MAX/MIN TEMP 45 35 41 33
WIND DIR S S S SW S SE S S W SW SW S S S S S W
WIND (MPH) 18 18 17 17 19 17 21 17 19 21 23 17 23 25 20 24 32
WIND GUST (MPH) 41 44 50
PRECIP PROB (%) 5 20 20 20 40 60 50 20 40 40 70 70 90 90 100 100 90
PRECIP TYPE R R R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.03 0.12 0.03 0.04 0.13 0.38 0.34
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
SNOW LEVEL (KFT) 9.1 9.8 10.2 10.3 10.4 10.3 9.9 9.3 9.1 8.8 8.5 8.6 9.1 9.3 9.6 8.9 8.1
...MT. SHASTA GRAY BUTTE (7,790 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 85 55 50 75 85 85 95 75 95 85 85 95 95 100 100 95
TEMPERATURE 40 41 41 41 41 40 40 41 40 40 38 39 39 38 39 38 38
MAX/MIN TEMP 43 37 41 34
WIND DIR SW SW SW SW SW SW W SW W W SW SW SW SW SW SW W
WIND (MPH) 24 24 23 23 25 23 27 23 25 28 28 21 29 32 28 32 42
WIND GUST (MPH) 44 51 41 61 65 69
PRECIP PROB (%) 5 20 20 20 40 60 50 30 50 50 80 80 90 90 100 100 90
PRECIP TYPE R R R R R R R R S R R R S S R S
6 HOUR QPF 0.00 0.06 0.19 0.04 0.08 0.20 0.40 0.34
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1
12 HOUR SNOW 0.0 0.0 0.0 0.2
SNOW LEVEL (KFT) 9.0 9.7 10.1 10.3 10.4 10.4 10.0 9.3 9.1 8.8 8.5 8.6 9.1 9.3 9.5 8.9 8.1
...MT. SHASTA HELEN LAKE (10,450 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 OV OV BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 75 90 60 55 80 90 85 95 75 95 80 85 95 95 100 100 95
TEMPERATURE 31 31 33 34 33 33 33 32 32 31 30 30 32 30 31 31 29
MAX/MIN TEMP 34 30 33 26
WIND DIR W W W W W W W W W W W W W W W W W
WIND (MPH) 41 43 37 39 43 35 46 41 43 47 42 41 51 54 51 59 73
WIND GUST (MPH) 79 88 69 89 71 92 103 96 102 92 69 74 75 89 115 115 115
PRECIP PROB (%) 5 20 20 20 40 50 50 30 40 40 70 70 90 90 100 100 90
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.00 0.09 0.25 0.05 0.09 0.22 0.43 0.36
6 HOUR SNOW 0.0 0.3 0.9 0.2 0.6 1.2 2.0 1.9
12 HOUR SNOW 0.3 1.1 1.8 3.9
SNOW LEVEL (KFT) 9.1 9.7 10.1 10.4 10.4 10.4 10.0 9.3 9.1 8.7 8.5 8.6 9.1 9.3 9.5 8.9 8.1
...ASH CREEK BUTTE (7,500 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 BK BK BK SC BK BK OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 65 55 35 60 65 80 95 80 95 80 80 95 95 100 100 95
TEMPERATURE 39 38 40 42 41 40 40 41 40 39 38 39 39 39 39 39 38
MAX/MIN TEMP 42 38 40 33
WIND DIR S S S SW SW S SW SW SW SW SW SW S S S SW SW
WIND (MPH) 18 18 18 18 19 16 21 18 19 21 23 18 20 25 28 31 34
WIND GUST (MPH) 47 48
PRECIP PROB (%) 5 20 10 10 40 40 40 20 40 40 70 70 90 90 100 100 90
PRECIP TYPE R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.06 0.01 0.02 0.09 0.28 0.24
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
SNOW LEVEL (KFT) 9.2 9.7 10.1 10.4 10.3 10.3 9.9 9.2 8.9 8.7 8.4 8.7 9.1 9.3 9.5 8.9 8.1
...CASTLE LAKE (5,440 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 OV OV BK SC BK OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 90 60 45 70 75 80 85 85 95 85 85 95 95 100 100 95
TEMPERATURE 44 45 44 48 46 45 45 46 45 44 43 44 45 44 45 45 44
MAX/MIN TEMP 48 43 46 40
WIND DIR SW S S S S S S S S S S SW S S S S SW
WIND (MPH) 4 4 4 4 3 4 4 3 3 3 4 5 6 10 13 13 12
WIND GUST (MPH)
PRECIP PROB (%) 10 30 20 20 40 60 50 20 50 50 80 80 90 90 100 100 90
PRECIP TYPE R R R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.01 0.03 0.01 0.01 0.11 0.36 0.31
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
SNOW LEVEL (KFT) 9.5 9.8 10.3 10.3 10.5 10.3 9.8 9.3 9.2 8.9 8.4 8.6 9.1 9.5 9.6 9.0 8.2
...MT. EDDY BOWL (6,500 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 OV OV BK SC OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 80 90 60 50 75 80 80 80 70 95 85 85 95 95 100 100 95
TEMPERATURE 43 45 44 46 44 44 44 43 42 42 43 42 42 42 42 43 41
MAX/MIN TEMP 46 41 43 38
WIND DIR S S S SW S S SW S SW SW SW S S S S SW W
WIND (MPH) 17 16 14 14 17 14 19 16 17 19 18 16 20 23 24 24 26
WIND GUST (MPH) 33 36 43 51
PRECIP PROB (%) 10 30 20 20 40 60 50 20 40 40 70 70 90 90 100 100 90
PRECIP TYPE R R R R R R R R R R R R R R R R
6 HOUR QPF 0.00 0.03 0.09 0.02 0.03 0.16 0.33 0.25
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
SNOW LEVEL (KFT) 9.6 9.8 10.3 10.3 10.5 10.2 9.8 9.2 9.1 8.8 8.3 8.6 9.1 9.5 9.5 8.9 8.1
...WATCHMAN PEAK (7300 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 85 80 90 95 90 90 90 95 75 80 80 95 95 100 100 100
TEMPERATURE 38 38 40 42 41 41 40 38 38 37 37 38 39 38 39 39 31
MAX/MIN TEMP 42 36 40 26
WIND DIR SW S SW SW W SW SW SW SW SW SW SW SW SW SW SW W
WIND (MPH) 26 26 27 27 25 26 26 24 23 19 19 19 21 28 33 47 40
WIND GUST (MPH) 44 43 37 36 51
PRECIP PROB (%) 20 50 60 90 90 50 50 30 40 40 70 70 90 90 100 100 100
PRECIP TYPE R R R R R R R R S S S S R R R S S
6 HOUR QPF 0.20 0.57 0.41 0.07 0.05 0.06 0.47 0.87
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4
12 HOUR SNOW 0.0 0.0 0.0 0.4
SNOW LEVEL (KFT) 9.4 9.7 10.2 10.2 9.9 9.0 8.3 7.7 7.4 7.2 7.1 7.3 8.2 8.5 8.6 7.5 5.6
...GARFIELD PEAK (7500 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 85 75 90 90 90 85 85 90 70 75 75 90 90 100 100 95
TEMPERATURE 37 37 40 41 41 40 39 38 36 36 37 38 38 38 39 38 31
MAX/MIN TEMP 42 34 39 25
WIND DIR SW S SW SW W SW SW SW SW W SW SW SW SW SW SW W
WIND (MPH) 26 26 27 27 26 26 26 25 23 19 19 19 21 29 34 44 39
WIND GUST (MPH) 44 43 37 36 54
PRECIP PROB (%) 20 50 50 80 90 50 50 20 40 40 70 70 90 90 100 100 100
PRECIP TYPE S R R R R R R S S S S S R R R S S
6 HOUR QPF 0.14 0.47 0.35 0.05 0.03 0.05 0.45 0.77
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4
12 HOUR SNOW 0.0 0.0 0.0 0.4
SNOW LEVEL (KFT) 9.4 9.7 10.2 10.2 10.0 9.1 8.4 7.7 7.4 7.2 7.2 7.3 8.2 8.6 8.6 7.6 5.8
...BROWN MOUNTAIN (6000 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 70 90 70 80 95 90 90 90 85 80 80 80 95 95 100 100 95
TEMPERATURE 39 39 39 45 44 43 42 41 40 38 39 42 43 41 41 42 38
MAX/MIN TEMP 46 38 43 30
WIND DIR S S S SW SW SW SW SW SW SW SW SW SW SW SW SW W
WIND (MPH) 6 6 8 6 5 5 6 6 6 6 6 5 6 12 17 21 23
WIND GUST (MPH)
PRECIP PROB (%) 20 40 50 60 90 50 40 20 40 40 70 70 90 90 100 100 100
PRECIP TYPE R R R R R R R R R R R R R R R R R
6 HOUR QPF 0.04 0.20 0.36 0.03 0.03 0.13 0.40 0.62
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
SNOW LEVEL (KFT) 9.5 9.8 10.2 10.3 10.2 9.6 8.7 8.1 7.8 7.6 7.4 8.0 8.5 9.0 9.1 8.1 6.7
...MOUNT MCLOUGHLIN (7500 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 65 85 75 90 95 90 95 90 90 75 80 80 95 95 100 100 100
TEMPERATURE 40 39 40 41 41 42 41 40 39 38 38 39 40 40 41 41 33
MAX/MIN TEMP 42 37 41 27
WIND DIR S S SW SW SW SW SW SW SW SW SW SW SW SW SW SW W
WIND (MPH) 25 25 26 26 24 25 25 24 23 19 19 19 21 28 32 47 42
WIND GUST (MPH) 43 43 44 43 47 47 40 41 43 48 61 64
PRECIP PROB (%) 40 50 60 90 90 60 50 50 50 50 70 70 90 90 100 100 100
PRECIP TYPE R R R R R R R R S S S S R R R S S
6 HOUR QPF 0.18 0.59 0.34 0.09 0.05 0.10 0.40 0.78
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3
12 HOUR SNOW 0.0 0.0 0.0 0.3
SNOW LEVEL (KFT) 9.4 9.8 10.2 10.2 9.9 9.0 8.2 7.7 7.4 7.1 7.1 7.4 8.1 8.6 8.7 7.4 5.7
...MOUNT BAILEY (6800 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 60 85 80 95 95 90 95 90 90 75 80 80 95 95 100 100 100
TEMPERATURE 40 39 41 42 41 42 40 39 38 37 37 39 40 40 41 40 32
MAX/MIN TEMP 42 37 41 26
WIND DIR S S SW SW SW SW SW SW SW SW SW SW SW SW SW SW W
WIND (MPH) 26 27 27 27 26 27 26 25 24 20 19 18 21 31 33 49 42
WIND GUST (MPH) 44 43 37
PRECIP PROB (%) 40 50 60 90 90 60 50 50 50 50 70 70 90 90 100 100 100
PRECIP TYPE R R R R R R R S S S S S R R R S S
6 HOUR QPF 0.23 0.68 0.27 0.11 0.05 0.06 0.37 0.81
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4
12 HOUR SNOW 0.0 0.0 0.0 0.4
SNOW LEVEL (KFT) 9.3 9.7 10.2 10.2 9.7 8.6 7.9 7.4 7.2 6.9 7.0 7.1 8.0 8.5 8.5 7.2 5.3
...MOUNT ASHLAND/SISKIYOU PEAK (7000 FT)...
DATE MONDAY 12/15/25 TUESDAY 12/16/25
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 OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV
CLOUD COVER (%) 85 85 70 75 90 85 85 85 85 90 80 80 90 90 100 100 95
TEMPERATURE 44 44 43 43 43 43 42 42 40 40 40 41 41 41 42 44 40
MAX/MIN TEMP 45 40 42 35
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW S S SW SW W
WIND (MPH) 21 19 19 20 21 23 24 20 20 18 19 20 23 24 31 36 39
WIND GUST (MPH) 40 37 36 41
PRECIP PROB (%) 20 30 50 60 80 10 30 10 40 40 70 70 90 90 100 100 90
PRECIP TYPE R R R R R R R R S R R R R R S
6 HOUR QPF 0.00 0.09 0.09 0.00 0.01 0.08 0.31 0.44
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
SNOW LEVEL (KFT) 9.4 10.0 10.2 10.3 10.2 9.6 8.8 8.0 7.8 7.6 7.6 7.9 8.6 9.1 9.1 8.2 6.9
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN