926
FWUS46 KMFR 170936
AVGMFR
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE MEDFORD OR
236 AM PDT SUN MAY 17 2026
..MT. SHASTA SKI BOWL (7,850 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW CL CL CL CL FW CL FW CL CL CL CL CL CL CL CL
CLOUD COVER (%) 25 20 5 0 0 5 5 5 10 5 0 5 0 0 5 0 0
TEMPERATURE 25 27 32 38 40 38 34 31 30 37 45 48 49 45 39 36 34
MAX/MIN TEMP 41 29 50 33
WIND DIR NW N N N N N N N NE NE NE NE N N N NW NW
WIND (MPH) 37 39 31 24 24 25 33 20 17 12 9 10 12 17 17 14 12
WIND GUST (MPH) 64 65 51 54 37
PRECIP PROB (%) 5 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.9 3.4 4.1 5.1 5.9 6.0 5.4 4.9 4.5 5.9 6.6 7.3 7.7 7.4 7.0 6.8 6.6
..MT. SHASTA BUNNY FLAT (6,930 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC FW CL CL CL FW CL CL FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 30 25 5 0 5 10 5 5 10 5 5 5 0 0 5 0 0
TEMPERATURE 25 26 35 42 42 35 31 28 27 35 48 52 51 43 36 32 30
MAX/MIN TEMP 44 26 53 30
WIND DIR N N N N N N N N N N NE NE N N N N N
WIND (MPH) 26 27 23 19 19 18 14 12 11 9 6 9 10 12 11 9 8
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.8 3.4 4.2 5.2 6.0 6.0 5.4 4.9 4.5 6.0 6.7 7.3 7.5 7.3 7.0 6.8 6.6
..MT. SHASTA GRAY BUTTE (7,790 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW CL CL CL CL CL CL FW CL CL CL CL CL CL CL CL
CLOUD COVER (%) 20 20 5 0 0 5 5 5 5 5 0 5 0 0 5 0 0
TEMPERATURE 24 26 30 36 39 38 33 31 30 37 43 47 49 46 39 36 34
MAX/MIN TEMP 40 29 49 34
WIND DIR N N N N N N N N NE NE NE NE N N N NW NW
WIND (MPH) 37 39 29 23 23 25 32 21 18 12 9 10 11 17 17 16 13
WIND GUST (MPH) 64 65 51 40 54
PRECIP PROB (%) 5 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.9 3.4 4.1 5.1 5.8 6.0 5.4 4.9 4.5 5.9 6.6 7.2 7.7 7.4 7.0 6.8 6.6
..MT. SHASTA HELEN LAKE (10,450 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC SC FW CL CL FW FW CL FW CL CL CL CL CL CL CL CL
CLOUD COVER (%) 40 30 5 5 5 15 10 5 10 5 0 5 5 5 5 0 0
TEMPERATURE 15 16 20 26 27 26 21 20 19 27 34 36 37 34 27 25 23
MAX/MIN TEMP 27 19 37 23
WIND DIR NW N NE NE N NE NE N NE NE NE NE N N NE NW W
WIND (MPH) 44 50 47 39 36 34 34 26 23 18 12 14 17 20 18 18 17
WIND GUST (MPH) 89 110 92 85 75 71 61 44 40 40 44
PRECIP PROB (%) 5 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.9 3.4 4.0 5.0 5.9 6.1 5.5 4.9 4.5 5.8 6.6 7.3 7.6 7.4 7.0 6.8 6.6
..ASH CREEK BUTTE (7,500 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC FW CL CL CL CL FW FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 55 50 5 5 5 5 5 15 10 10 5 5 5 5 5 0 5
TEMPERATURE 23 25 29 36 40 41 35 32 30 36 43 49 50 48 40 37 34
MAX/MIN TEMP 41 30 50 34
WIND DIR N N N N N N N N N N NE NE N N NW N N
WIND (MPH) 31 34 29 25 25 25 23 19 17 14 10 10 11 12 14 13 11
WIND GUST (MPH) 48 55 48
PRECIP PROB (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.7 3.5 4.1 5.1 5.6 5.7 5.3 5.0 4.9 5.7 6.3 6.8 7.5 7.5 7.0 6.8 6.6
..CASTLE LAKE (5,440 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC BK FW CL CL CL CL CL FW CL CL CL CL CL CL CL CL
CLOUD COVER (%) 45 50 5 0 0 5 5 5 10 5 5 0 0 5 0 0 0
TEMPERATURE 31 33 40 51 52 46 41 38 36 45 56 61 62 55 48 44 42
MAX/MIN TEMP 53 36 63 42
WIND DIR N N N N N N NW N NW N N N N N N NW NW
WIND (MPH) 18 18 17 17 17 14 12 10 8 8 8 10 11 10 10 9 8
WIND GUST (MPH)
PRECIP PROB (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.6 3.5 4.3 5.2 5.9 6.0 5.6 5.2 4.9 5.6 6.3 6.8 7.1 7.3 7.0 6.8 6.7
..MT. EDDY BOWL (6,500 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW CL FW FW FW CL FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 70 70 10 0 5 10 10 5 10 5 5 5 5 0 5 0 0
TEMPERATURE 25 28 32 41 44 41 36 32 30 40 47 52 53 48 41 36 34
MAX/MIN TEMP 44 30 53 33
WIND DIR N N N N N N N N N N NE N N N N N N
WIND (MPH) 24 26 21 20 19 19 18 16 11 10 9 11 11 13 11 9 8
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.6 3.5 4.2 5.3 6.0 6.0 5.7 5.2 4.9 5.6 6.3 6.7 7.1 7.2 6.8 6.6 6.3
..WATCHMAN PEAK (7300 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW CL FW FW FW FW SC FW FW FW FW FW FW CL CL
CLOUD COVER (%) 80 25 10 5 15 20 5 10 45 20 5 15 15 10 10 5 5
TEMPERATURE 22 23 33 41 43 39 31 29 29 36 47 49 50 44 34 32 30
MAX/MIN TEMP 43 28 50 30
WIND DIR NW N NE NE N N NE NE NE E N NW NW NW N N N
WIND (MPH) 16 18 18 18 18 16 14 11 9 8 9 13 14 13 8 6 5
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.1 3.0 4.2 5.4 6.2 6.0 5.5 5.3 4.9 5.8 6.5 6.9 7.4 7.3 6.9 6.3 6.0
..GARFIELD PEAK (7500 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW FW FW FW FW FW SC FW FW SC FW FW FW CL CL
CLOUD COVER (%) 75 20 10 5 15 25 5 10 45 20 10 35 25 10 10 5 5
TEMPERATURE 21 23 34 40 43 39 31 28 28 35 46 50 49 44 33 30 29
MAX/MIN TEMP 43 27 50 28
WIND DIR NW N NE NE N N NE NE N E N NW NW NW NW N N
WIND (MPH) 18 20 18 18 17 16 16 11 8 8 8 12 13 14 9 8 5
WIND GUST (MPH) 40
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.2 3.0 4.1 5.1 6.2 6.0 5.5 5.3 4.9 5.7 6.4 7.0 7.4 7.4 7.0 6.4 6.0
..BROWN MOUNTAIN (6000 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW FW CL CL CL CL FW FW CL FW CL CL FW CL CL
CLOUD COVER (%) 75 15 10 10 5 5 5 5 20 10 5 5 5 5 10 5 5
TEMPERATURE 28 29 37 46 48 45 34 32 31 37 50 55 56 50 39 35 33
MAX/MIN TEMP 49 30 56 33
WIND DIR NW NE NE NE NE NE NE NE E NE NE W NW NW NW NW NW
WIND (MPH) 9 10 12 14 12 9 6 8 9 10 6 10 11 9 4 3 3
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.5 3.2 4.2 5.4 6.0 6.0 5.5 5.2 5.0 5.8 6.5 7.1 7.5 7.5 7.1 6.7 6.4
..MOUNT MCLOUGHLIN (7500 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC FW FW FW FW FW FW SC FW FW CL CL FW FW CL CL
CLOUD COVER (%) 80 30 10 20 20 20 15 10 40 20 10 5 5 5 10 5 5
TEMPERATURE 25 24 31 38 41 39 32 31 31 39 46 48 48 45 37 35 33
MAX/MIN TEMP 41 31 48 33
WIND DIR NW N N N N N NE NE E E NW NW NW NW N N N
WIND (MPH) 14 16 18 16 16 13 13 9 8 8 10 14 14 13 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.2 3.0 4.4 5.6 6.1 6.0 5.5 5.2 4.8 5.8 6.5 6.9 7.3 7.2 6.8 6.4 5.9
..MOUNT BAILEY (6800 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 SC FW FW FW FW FW FW BK FW FW CL CL FW FW CL CL
CLOUD COVER (%) 80 35 10 20 20 25 20 10 50 20 10 5 5 5 5 5 5
TEMPERATURE 24 23 32 38 41 39 31 30 31 38 46 48 48 44 36 34 32
MAX/MIN TEMP 41 30 48 32
WIND DIR NW N N N N N NE E E E NW NW NW NW N N NE
WIND (MPH) 14 16 17 16 17 14 13 8 6 8 11 14 14 13 5 6 6
WIND GUST (MPH)
PRECIP PROB (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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
SNOW LEVEL (KFT) 3.1 2.9 4.4 5.6 6.1 6.0 5.5 5.2 4.7 5.7 6.4 6.8 7.2 7.1 6.7 6.2 5.7
..MOUNT ASHLAND/SISKIYOU PEAK (7000 FT)
DATE SUNDAY 05/17/26 MONDAY 05/18/26
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 FW FW FW FW SC FW FW FW CL CL CL CL CL CL CL
CLOUD COVER (%) 85 75 25 5 15 20 35 5 20 5 5 5 5 5 5 5 0
TEMPERATURE 25 24 27 36 39 39 34 32 31 39 47 49 49 47 40 36 34
MAX/MIN TEMP 40 31 49 34
WIND DIR N N N N N N N NE NE E NE N N NW N N N
WIND (MPH) 24 26 25 23 21 23 12 9 9 9 9 17 19 23 16 9 6
WIND GUST (MPH)
PRECIP PROB (%) 20 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PRECIP TYPE S
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
SNOW LEVEL (KFT) 3.6 3.4 4.1 5.2 5.9 5.9 5.7 5.4 5.1 5.8 6.3 6.4 7.0 6.9 6.7 6.6 6.5
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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