797
FWUS46 KMFR 161021
AVGMFR
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE MEDFORD OR
221 AM PST TUE DEC 16 2025
..MT. SHASTA SKI BOWL (7,850 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK BK OV OV OV
CLOUD COVER (%) 75 95 85 90 95 95 100 95 95 95 65 65 60 70 90 90 95
TEMPERATURE 40 40 39 38 39 39 37 36 37 32 32 34 33 34 34 35 37
MAX/MIN TEMP 40 31 36 32
WIND DIR W W SW SW SW SW SW SW W W W W W SW SW SW SW
WIND (MPH) 24 25 23 21 20 14 31 43 32 27 31 28 26 25 34 40 32
WIND GUST (MPH) 51 71 54 46 49 48 61
PRECIP PROB (%) 10 20 80 90 60 90 100 80 90 90 50 50 40 40 80 80 90
PRECIP TYPE S S R R R S S S S S S S S S S S
6 HOUR QPF 0.02 0.51 0.59 0.56 0.11 0.01 0.01 0.09
6 HOUR SNOW 0.0 0.0 0.1 0.6 0.5 0.1 0.1 0.4
12 HOUR SNOW 0.0 0.7 0.6 0.5
SNOW LEVEL (KFT) 8.3 8.7 9.3 9.4 9.7 9.7 9.6 9.4 8.2 6.5 5.0 4.9 5.1 5.0 5.7 7.3 8.6
..MT. SHASTA BUNNY FLAT (6,930 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK BK OV OV OV
CLOUD COVER (%) 80 95 80 90 95 95 100 90 90 90 60 60 60 70 90 90 90
TEMPERATURE 37 37 40 40 39 37 36 36 36 32 33 35 32 30 31 33 35
MAX/MIN TEMP 41 31 37 29
WIND DIR SW SW S S S S S S W W W SW SW S S S S
WIND (MPH) 18 19 17 16 16 11 24 33 23 19 24 21 19 18 26 31 24
WIND GUST (MPH) 51 43
PRECIP PROB (%) 10 20 70 90 60 90 100 80 90 90 40 40 40 40 80 80 90
PRECIP TYPE R R R R R R R R S S S S S S S R
6 HOUR QPF 0.01 0.36 0.41 0.39 0.08 0.00 0.01 0.07
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.2
12 HOUR SNOW 0.0 0.0 0.2 0.2
SNOW LEVEL (KFT) 8.3 8.7 9.3 9.4 9.7 9.7 9.7 9.6 8.2 6.5 5.0 5.0 5.2 5.0 5.6 7.4 8.6
..MT. SHASTA GRAY BUTTE (7,790 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK BK OV OV OV
CLOUD COVER (%) 75 95 85 90 95 95 100 95 95 95 65 65 65 70 90 90 95
TEMPERATURE 41 40 38 38 39 39 37 36 37 32 31 34 33 33 34 34 37
MAX/MIN TEMP 40 31 37 32
WIND DIR W W SW SW SW SW SW SW W W W W W SW SW SW SW
WIND (MPH) 24 25 23 21 20 14 31 43 31 26 31 28 26 25 34 40 32
WIND GUST (MPH) 51 71 54 46 49 48 61
PRECIP PROB (%) 10 20 80 90 60 90 100 80 90 90 50 50 40 40 80 80 90
PRECIP TYPE S S R R R S S S S S S S S S S S
6 HOUR QPF 0.03 0.54 0.66 0.65 0.12 0.01 0.01 0.09
6 HOUR SNOW 0.0 0.0 0.1 0.5 0.5 0.1 0.1 0.4
12 HOUR SNOW 0.0 0.6 0.6 0.5
SNOW LEVEL (KFT) 8.3 8.7 9.3 9.4 9.7 9.7 9.6 9.4 8.2 6.5 5.1 5.1 5.2 5.1 5.6 7.3 8.6
..MT. SHASTA HELEN LAKE (10,450 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV
CLOUD COVER (%) 80 95 85 90 95 95 100 95 95 95 65 65 60 70 90 90 95
TEMPERATURE 31 31 30 31 31 31 30 29 28 23 23 26 25 25 26 26 29
MAX/MIN TEMP 32 22 28 25
WIND DIR W W W W SW W SW SW W W W W W W W W W
WIND (MPH) 40 42 40 35 40 31 58 71 48 42 57 58 51 51 60 65 55
WIND GUST (MPH) 78 82 85 69 93 80 115 115 94 81 115 115 107 110 115 115 115
PRECIP PROB (%) 10 20 80 90 60 90 100 80 90 90 50 50 40 40 80 80 90
PRECIP TYPE Z Z S S S S S Z S S S S S S S S S
6 HOUR QPF 0.03 0.53 0.55 0.55 0.12 0.01 0.01 0.10
6 HOUR SNOW 0.2 2.5 2.5 2.8 0.9 0.1 0.1 0.7
12 HOUR SNOW 2.7 5.3 1.0 0.8
SNOW LEVEL (KFT) 8.3 8.7 9.3 9.4 9.7 9.7 9.6 9.4 8.3 6.4 4.8 4.7 4.9 5.0 5.9 7.3 8.5
..ASH CREEK BUTTE (7,500 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK BK OV OV OV
CLOUD COVER (%) 85 95 80 90 90 90 95 90 95 95 70 70 60 65 90 90 95
TEMPERATURE 39 38 38 39 39 39 38 37 36 32 31 34 33 33 33 34 36
MAX/MIN TEMP 40 31 38 32
WIND DIR SW SW S S S S SW SW SW W W SW SW S S S S
WIND (MPH) 17 17 17 13 12 11 28 32 31 26 25 23 20 19 25 32 29
WIND GUST (MPH) 46 49 49
PRECIP PROB (%) 10 20 70 90 60 90 90 80 90 90 50 50 40 40 80 80 90
PRECIP TYPE R R R R R R R R S S S S S S S S
6 HOUR QPF 0.02 0.36 0.33 0.33 0.06 0.01 0.01 0.06
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.2
12 HOUR SNOW 0.0 0.0 0.1 0.2
SNOW LEVEL (KFT) 8.2 8.4 9.0 9.3 9.6 9.7 9.7 9.7 8.1 6.4 5.5 5.6 5.5 5.2 5.4 6.9 8.4
..CASTLE LAKE (5,440 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK BK OV OV OV
CLOUD COVER (%) 85 95 85 90 90 90 100 95 95 95 70 70 65 65 90 90 95
TEMPERATURE 45 44 43 44 44 44 43 43 43 39 38 41 39 38 39 40 41
MAX/MIN TEMP 45 38 43 38
WIND DIR S S S S S S S S SW SW NW SW SW SW S S S
WIND (MPH) 5 5 6 8 5 6 12 11 12 9 6 5 3 4 5 9 10
WIND GUST (MPH)
PRECIP PROB (%) 10 20 80 90 60 90 100 80 90 90 50 50 50 50 80 80 90
PRECIP TYPE R R R R R R R R R S S S S S R R
6 HOUR QPF 0.01 0.33 0.51 0.44 0.05 0.01 0.01 0.07
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) 8.2 8.8 9.3 9.5 9.8 9.7 10.0 9.8 8.2 6.4 5.4 5.6 5.6 5.2 5.8 7.4 8.7
..MT. EDDY BOWL (6,500 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK BK OV OV OV
CLOUD COVER (%) 95 95 85 90 90 95 100 85 90 90 65 65 60 70 85 85 95
TEMPERATURE 42 42 42 42 43 42 41 42 39 34 34 37 36 36 37 37 39
MAX/MIN TEMP 43 33 40 36
WIND DIR SW SW S S S S S S SW W W S SW S S S S
WIND (MPH) 16 17 17 16 16 12 24 31 23 18 20 18 16 16 23 27 24
WIND GUST (MPH) 41 55 50
PRECIP PROB (%) 10 20 80 90 60 90 100 80 90 90 40 40 40 40 80 80 90
PRECIP TYPE R R R R R R R R S S S S S S S R
6 HOUR QPF 0.02 0.41 0.62 0.61 0.08 0.00 0.01 0.04
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.1
12 HOUR SNOW 0.0 0.0 0.2 0.1
SNOW LEVEL (KFT) 8.2 8.7 9.3 9.4 9.8 9.7 10.0 9.8 8.1 6.2 5.2 5.3 5.3 5.0 6.0 7.5 8.8
..WATCHMAN PEAK (7300 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV
CLOUD COVER (%) 85 90 85 90 90 95 95 100 95 95 65 60 60 75 90 90 100
TEMPERATURE 37 37 38 39 40 40 40 40 29 24 23 25 26 25 27 28 32
MAX/MIN TEMP 41 23 29 24
WIND DIR SW SW SW SW SW SW SW SW W W W W W S S SW SW
WIND (MPH) 20 20 24 25 25 27 33 37 31 26 21 21 19 18 21 46 39
WIND GUST (MPH) 54 61 55 46
PRECIP PROB (%) 10 30 20 70 80 90 80 100 90 90 40 40 30 30 90 90 100
PRECIP TYPE S I R R R R R S S S S S S S S S
6 HOUR QPF 0.02 0.36 0.75 1.06 0.28 0.00 0.01 0.30
6 HOUR SNOW 0.0 0.1 0.0 0.5 2.2 0.0 0.1 2.0
12 HOUR SNOW 0.1 0.5 2.2 2.1
SNOW LEVEL (KFT) 7.3 7.3 7.6 8.1 8.5 9.0 8.9 8.7 5.5 3.8 3.2 3.4 3.3 3.0 3.4 4.3 6.5
..GARFIELD PEAK (7500 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV
CLOUD COVER (%) 75 85 80 85 90 95 95 100 95 95 60 60 60 75 90 90 100
TEMPERATURE 36 35 37 38 39 39 39 39 29 24 23 25 25 24 25 27 31
MAX/MIN TEMP 40 23 29 23
WIND DIR SW SW SW SW SW SW SW SW W W W W W S SW SW SW
WIND (MPH) 20 20 24 24 21 26 34 39 32 26 21 21 20 18 21 44 39
WIND GUST (MPH) 54 61 58 48
PRECIP PROB (%) 10 30 20 70 80 90 80 100 90 90 40 40 30 30 90 90 100
PRECIP TYPE R S R R R R R S S S S S S S S S
6 HOUR QPF 0.01 0.34 0.85 1.20 0.26 0.00 0.00 0.28
6 HOUR SNOW 0.0 0.0 0.0 0.6 2.1 0.1 0.0 1.9
12 HOUR SNOW 0.0 0.6 2.2 1.9
SNOW LEVEL (KFT) 7.3 7.3 7.7 8.1 8.6 9.1 9.0 8.9 5.7 3.8 3.3 3.4 3.3 3.0 3.4 4.4 6.5
..BROWN MOUNTAIN (6000 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV
CLOUD COVER (%) 85 85 80 90 95 90 95 100 95 95 55 55 60 75 90 90 100
TEMPERATURE 40 39 40 41 42 42 43 43 37 29 28 31 30 29 31 33 35
MAX/MIN TEMP 43 28 35 28
WIND DIR SW SW SW SW S S SW SW W W W W W S S S S
WIND (MPH) 9 8 9 10 12 16 18 25 24 18 10 8 4 4 6 10 13
WIND GUST (MPH) 42
PRECIP PROB (%) 5 10 50 80 80 80 90 100 90 90 30 30 30 30 90 90 100
PRECIP TYPE R R R R R R R S S S S S S S R
6 HOUR QPF 0.01 0.38 0.59 0.67 0.30 0.01 0.00 0.16
6 HOUR SNOW 0.0 0.0 0.0 0.0 1.3 0.1 0.0 0.6
12 HOUR SNOW 0.0 0.0 1.4 0.6
SNOW LEVEL (KFT) 7.5 7.8 8.3 8.5 9.0 9.2 9.2 9.2 6.5 4.3 3.7 3.8 3.9 3.8 4.1 5.1 6.9
..MOUNT MCLOUGHLIN (7500 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV
CLOUD COVER (%) 85 85 80 85 95 90 95 100 95 95 65 60 60 75 90 90 100
TEMPERATURE 38 38 38 40 41 41 42 42 31 25 24 26 26 27 29 31 34
MAX/MIN TEMP 42 24 30 26
WIND DIR SW SW SW SW SW SW SW SW W W W W SW S S SW SW
WIND (MPH) 20 20 23 23 25 27 32 37 31 25 21 21 20 18 23 42 37
WIND GUST (MPH) 40 42 44 57 71 58 49 62
PRECIP PROB (%) 10 20 20 60 70 80 70 100 100 100 50 50 30 30 90 90 100
PRECIP TYPE S R R R R R R S S S S S S S S S
6 HOUR QPF 0.02 0.32 0.72 1.04 0.27 0.01 0.00 0.23
6 HOUR SNOW 0.0 0.0 0.0 0.4 1.9 0.1 0.0 1.4
12 HOUR SNOW 0.0 0.4 2.0 1.4
SNOW LEVEL (KFT) 7.2 7.3 7.7 8.2 8.7 9.0 8.9 8.7 5.3 3.7 3.3 3.4 3.5 3.3 3.5 4.4 6.5
..MOUNT BAILEY (6800 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV BK BK BK OV OV OV OV
CLOUD COVER (%) 85 85 80 85 90 90 95 100 100 100 65 65 65 75 90 90 100
TEMPERATURE 38 38 38 40 40 41 41 41 30 24 23 26 26 26 28 30 33
MAX/MIN TEMP 42 24 29 25
WIND DIR SW SW SW SW SW SW SW SW W W W W SW S S S SW
WIND (MPH) 21 20 24 25 27 28 33 37 31 25 20 21 20 18 23 43 39
WIND GUST (MPH) 54 61 58 49
PRECIP PROB (%) 10 10 20 60 70 80 70 100 100 100 50 50 30 30 90 90 100
PRECIP TYPE S R R R R R R S S S S S S S S S
6 HOUR QPF 0.02 0.29 0.69 1.12 0.23 0.01 0.00 0.25
6 HOUR SNOW 0.0 0.0 0.0 0.5 1.8 0.1 0.0 1.7
12 HOUR SNOW 0.0 0.5 1.9 1.7
SNOW LEVEL (KFT) 7.0 7.1 7.4 8.0 8.5 8.9 8.8 8.5 4.9 3.4 3.1 3.3 3.4 3.1 3.2 4.1 6.2
..MOUNT ASHLAND/SISKIYOU PEAK (7000 FT)
DATE TUESDAY 12/16/25 WEDNESDAY 12/17/25
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 OV OV OV OV OV OV OV OV SC SC BK OV OV OV OV
CLOUD COVER (%) 90 90 85 95 95 100 95 95 90 90 45 40 60 80 90 90 100
TEMPERATURE 40 41 40 41 42 42 43 44 34 28 28 30 32 32 34 36 39
MAX/MIN TEMP 43 27 35 32
WIND DIR SW S S S SW SW SW SW W NW W SW S S S S SW
WIND (MPH) 19 21 20 19 16 26 31 34 31 26 21 21 19 17 25 41 29
WIND GUST (MPH) 48 54 49 51
PRECIP PROB (%) 5 10 60 90 90 100 90 90 80 80 20 20 30 30 80 80 100
PRECIP TYPE R R R R R R S S S S S S S S S
6 HOUR QPF 0.01 0.41 0.42 0.30 0.12 0.00 0.00 0.06
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.6 0.0 0.0 0.2
12 HOUR SNOW 0.0 0.0 0.6 0.2
SNOW LEVEL (KFT) 7.4 8.0 8.6 8.9 9.5 9.5 9.7 9.2 6.5 4.5 4.0 4.1 4.3 3.9 5.1 6.2 7.9
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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