673
FWUS45 KTFX 131001
AVGTFX
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE GREAT FALLS MT
400 AM MDT MON APR 13 2026
..GLACIER NATIONAL PARK/MARIAS PASS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV OV BK BK BK BK BK BK OV BK BK BK BK OV OV OV OV
CLOUD COVER (%) 80 70 60 55 60 65 65 70 75 70 70 65 70 75 70 70 75
TEMPERATURE 31 34 39 41 39 36 35 34 32 31 32 34 33 31 31 30 29
MAX/MIN TEMP 42 30 35 28
WIND DIR SW SW W W W W W SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 5 8 12 17 20 21 24 25 27 29 29 31 29 28 27 26 24
WIND GUST (MPH) 35 42 47 50 55 61 64 62 64 63 63 62 57 51
PRECIP PROB (%) 40 30 20 30 30 20 20 10 20 20 10 10 20 20 50 50 60
PRECIP TYPE S S S S S S S S S S S S S S S S S
6 HOUR QPF 0.01 0.04 0.11 0.05 0.01 0.00 0.01 0.03
12 HOUR QPF 0.05 0.16 0.01 0.04
LOW END QPF 0.01 0.00 0.00 0.03
HIGH END QPF 0.11 0.19 0.05 0.21
6 HOUR SNOW 0.1 0.1 0.4 0.4 0.1 0.0 0.1 0.4
12 HOUR SNOW 0.2 0.8 0.1 0.5
LOW END SNOW 0.0 0.0 0.0 0.3
HIGH END SNOW 0.4 1.2 0.6 1.9
SNOW LEVEL (KFT) 6.2 6.2 6.5 6.8 6.8 6.5 6.1 5.5 4.8 4.4 4.4 4.7 4.8 4.5 4.4 4.3 4.2
SNOW DENSITY (%) 16 14 16 20 20 16 14 12 10 10 9 10 10 9 8 9 8
..BOB MARSHALL/SCAPEGOAT WILDERNESS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV BK BK OV BK OV BK BK BK BK SC SC BK OV OV OV OV
CLOUD COVER (%) 75 70 70 70 65 70 65 55 60 55 45 50 55 75 75 75 75
TEMPERATURE 32 33 37 40 39 35 33 32 30 31 35 38 37 33 31 31 29
MAX/MIN TEMP 41 29 39 29
WIND DIR SW SW W W W W W W W W W W W W SW SW SW
WIND (MPH) 6 9 11 14 17 17 18 18 18 19 20 21 21 18 17 17 16
WIND GUST (MPH) 26 31 34 43 48 51 50 50 51 49 49 50 46 43 40 36
PRECIP PROB (%) 50 30 40 40 30 40 10 5 20 20 10 10 20 20 40 40 50
PRECIP TYPE S S S S S S S S S S S S S S S S
6 HOUR QPF 0.03 0.02 0.07 0.00 0.00 0.00 0.00 0.02
12 HOUR QPF 0.05 0.07 0.00 0.02
LOW END QPF 0.02 0.00 0.00 0.01
HIGH END QPF 0.20 0.09 0.01 0.07
6 HOUR SNOW 0.2 0.0 0.3 0.0 0.0 0.0 0.0 0.2
12 HOUR SNOW 0.2 0.3 0.0 0.2
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.9 0.5 0.1 0.5
SNOW LEVEL (KFT) 6.0 5.8 6.3 6.8 6.8 6.4 6.0 5.5 4.9 4.7 5.0 5.3 5.4 5.1 5.1 4.9 4.8
SNOW DENSITY (%) 12 11 12 16 16 14 12 10 9 9 9 11 12 10 10 10 9
..NEVADA MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER SC BK BK OV OV BK BK BK BK BK BK SC SC BK BK OV OV
CLOUD COVER (%) 45 55 55 75 75 70 70 60 60 60 50 50 50 65 70 75 75
TEMPERATURE 33 35 39 42 41 37 35 34 32 33 38 42 42 38 36 35 33
MAX/MIN TEMP 43 31 44 33
WIND DIR SW SW W W W W W W W W W W W W SW SW SW
WIND (MPH) 9 11 13 14 17 17 16 16 16 18 19 19 20 16 13 13 12
WIND GUST (MPH) 32 35 36 35 34 34 39 39 40 40 34 31 32 29
PRECIP PROB (%) 30 30 30 50 20 30 5 5 10 10 10 10 5 5 20 20 40
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.02 0.01 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.22 0.02 0.00 0.03
6 HOUR SNOW 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.1 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.6 0.1 0.0 0.2
SNOW LEVEL (KFT) 5.5 5.4 6.1 6.6 6.8 6.3 5.9 5.5 4.9 4.8 5.2 5.8 5.9 5.7 5.5 5.4 5.2
SNOW DENSITY (%) 16 14 16 25 25 20 16 12 10 10 12 20 25 20 16 16 12
..ELKHORN/BOULDER MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER SC SC BK OV OV BK BK SC SC SC SC SC SC BK BK BK OV
CLOUD COVER (%) 40 40 65 70 75 70 50 45 45 40 45 45 50 55 60 65 75
TEMPERATURE 30 33 39 41 40 35 33 31 29 33 40 44 44 38 36 35 33
MAX/MIN TEMP 43 28 46 33
WIND DIR SW SW SW W W W W W W SW SW W W W SW SW SW
WIND (MPH) 11 13 13 14 14 13 11 10 10 11 14 17 18 13 12 12 11
WIND GUST (MPH) 31 34 36 34 35 33 28 29 35 37 40 31 29 31 28
PRECIP PROB (%) 0 20 20 50 20 20 5 5 5 5 5 5 0 0 5 5 30
PRECIP TYPE S S S S S S
6 HOUR QPF 0.00 0.02 0.02 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.02 0.02 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.22 0.03 0.00 0.02
6 HOUR SNOW 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.1 0.1 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.2 0.1 0.0 0.1
SNOW LEVEL (KFT) 5.2 5.3 6.1 6.7 6.8 6.5 6.0 5.7 5.3 5.2 5.8 6.4 6.6 6.2 5.9 5.8 5.7
SNOW DENSITY (%) 11 10 12 16 16 12 11 9 8 9 11 20 25 20 16 16 12
..BIG BELT MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER SC SC SC BK OV BK BK SC SC SC SC SC SC BK BK OV OV
CLOUD COVER (%) 50 45 50 70 70 60 55 50 45 40 35 35 40 55 70 75 75
TEMPERATURE 34 36 42 45 44 39 37 34 33 36 42 46 46 42 39 38 36
MAX/MIN TEMP 46 32 48 36
WIND DIR SW SW SW W W W W W SW SW SW W W W SW SW SW
WIND (MPH) 10 13 16 16 16 13 12 11 11 14 18 18 18 12 10 12 12
WIND GUST (MPH) 32 39 39 35 35 34 31 29 32 37 40 39 39 32 31 34
PRECIP PROB (%) 5 10 20 40 30 10 5 5 0 0 5 5 0 0 5 5 10
PRECIP TYPE S S S S S S
6 HOUR QPF 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.02 0.01 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.24 0.02 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 0.7 0.1 0.0 0.0
SNOW LEVEL (KFT) 5.6 5.3 6.0 6.6 6.9 6.6 6.1 5.7 5.2 5.1 5.6 6.2 6.4 6.0 5.7 5.8 5.8
SNOW DENSITY (%) 16 14 16 25 25 25 16 14 12 12 14 25 33 25 20 25 16
..LITTLE BELT MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK SC BK OV BK BK BK SC SC FW SC SC SC SC BK BK OV
CLOUD COVER (%) 50 40 50 70 65 65 60 45 35 25 30 30 35 40 55 65 70
TEMPERATURE 33 36 42 45 44 38 36 34 32 35 43 47 46 40 37 36 34
MAX/MIN TEMP 47 31 48 34
WIND DIR SW SW W W W W W W W SW SW W W W SW SW SW
WIND (MPH) 9 11 14 14 13 12 12 11 11 14 16 17 16 10 8 9 10
WIND GUST (MPH) 27 31 35 34 32 31 32 31 31 34 35 36 35 27 26 27
PRECIP PROB (%) 10 5 10 40 30 20 10 5 0 0 5 5 5 5 5 5 10
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.01 0.02 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.01 0.02 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.17 0.02 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 0.6 0.1 0.0 0.0
SNOW LEVEL (KFT) 5.9 5.6 6.1 6.7 7.0 6.8 6.4 5.9 5.3 5.2 5.8 6.3 6.6 6.1 5.8 5.8 5.8
SNOW DENSITY (%) 16 14 16 25 25 20 16 12 11 11 14 25 33 25 20 20 16
..HIGHWOOD MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER SC SC SC BK BK BK SC SC SC FW FW FW FW SC BK BK OV
CLOUD COVER (%) 50 35 45 60 60 65 30 35 30 20 20 15 25 40 55 65 75
TEMPERATURE 37 39 44 48 47 43 40 38 37 39 45 49 48 43 40 40 39
MAX/MIN TEMP 49 36 50 39
WIND DIR SW W W W W W W W W SW W W W W SW SW SW
WIND (MPH) 9 12 18 18 18 19 20 20 20 24 24 24 24 17 13 13 14
WIND GUST (MPH)
PRECIP PROB (%) 20 20 20 40 30 30 10 5 0 0 0 0 5 5 5 5 5
PRECIP TYPE S S S S R R
6 HOUR QPF 0.01 0.01 0.06 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.02 0.06 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.21 0.07 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) 6.5 5.7 6.1 6.6 6.9 6.9 6.4 5.9 5.3 4.9 5.4 5.8 6.0 5.7 5.5 5.6 5.7
SNOW DENSITY (%) 33 25 25 33 50 33 33 25 20 20 20 33 33 33 25 25 25
..SNOWY/JUDITH MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK BK OV OV BK BK SC SC FW FW SC SC SC SC BK OV
CLOUD COVER (%) 60 60 65 70 85 65 65 45 40 15 20 30 35 45 45 65 85
TEMPERATURE 36 41 48 50 49 43 40 38 36 41 49 53 52 44 41 39 38
MAX/MIN TEMP 51 34 55 37
WIND DIR SW W W W W W W W W W W W W W SW SW SW
WIND (MPH) 6 10 13 12 11 10 11 12 12 13 13 14 13 8 5 6 9
WIND GUST (MPH) 31 36 33 32 27 34 36 35 36 33 34 34
PRECIP PROB (%) 5 10 10 40 30 30 5 5 0 0 5 5 5 5 5 5 5
PRECIP TYPE R S S S
6 HOUR QPF 0.00 0.01 0.02 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.01 0.02 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.10 0.03 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) 6.3 5.8 6.2 6.6 6.9 6.9 6.7 6.2 5.6 5.5 6.0 6.5 6.7 6.5 6.0 5.9 5.8
SNOW DENSITY (%) 50 33 33 50 50 50 33 25 25 25 33 50 100 50 50 50 33
..BEARS PAW MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV OV BK BK BK BK SC SC SC FW SC SC SC SC BK BK OV
CLOUD COVER (%) 85 70 70 60 65 60 45 25 35 25 25 25 30 45 60 70 75
TEMPERATURE 38 40 45 48 49 43 42 40 38 42 49 52 52 45 42 41 40
MAX/MIN TEMP 50 37 53 39
WIND DIR SE SW W W W SW W W W W W W W W W SW SW
WIND (MPH) 6 6 9 10 9 9 13 16 17 19 19 19 19 14 12 12 13
WIND GUST (MPH) 34 37
PRECIP PROB (%) 60 30 40 40 20 10 5 5 0 0 0 0 0 0 5 5 0
PRECIP TYPE R R R R R R
6 HOUR QPF 0.06 0.01 0.04 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.07 0.04 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.24 0.05 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) 6.7 6.4 6.4 6.5 6.8 6.9 6.7 6.3 5.5 5.2 5.5 5.7 5.9 5.5 5.2 5.2 5.2
SNOW DENSITY (%) 50 33 33 50 50 50 50 50 33 25 25 33 50 50 33 33 25
..CASTLE/CRAZY MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK BK OV BK OV BK SC SC SC SC SC SC SC BK BK BK
CLOUD COVER (%) 55 60 65 80 70 70 60 50 40 30 30 40 50 45 55 60 65
TEMPERATURE 32 35 42 45 44 38 35 33 31 34 42 47 47 41 37 36 34
MAX/MIN TEMP 46 30 48 34
WIND DIR SW SW SW W W W W W W W SW W W SW SW SW SW
WIND (MPH) 13 19 21 20 18 14 13 12 11 14 19 20 20 12 10 12 14
WIND GUST (MPH) 37 48 54 49 46 40 39 35 35 41 46 48 47 35 29 35 37
PRECIP PROB (%) 0 0 10 20 30 20 5 5 0 0 5 5 5 5 5 5 10
PRECIP TYPE S S S
6 HOUR QPF 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.00 0.01 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.15 0.02 0.01 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 0.5 0.1 0.0 0.0
SNOW LEVEL (KFT) 5.3 5.2 5.9 6.5 6.9 6.8 6.3 5.9 5.5 5.5 6.0 6.5 6.8 6.5 6.0 5.8 5.8
SNOW DENSITY (%) 16 12 14 25 25 20 14 12 10 10 14 25 33 33 20 20 16
..BRIDGER RANGE
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK BK OV BK OV BK BK SC SC SC SC SC BK BK BK OV
CLOUD COVER (%) 60 65 65 80 65 75 60 50 40 30 30 35 50 55 55 65 75
TEMPERATURE 32 35 41 43 42 37 35 33 32 34 41 46 47 42 38 37 35
MAX/MIN TEMP 45 30 48 35
WIND DIR SW SW SW W W W W W W W W W W SW SW SW SW
WIND (MPH) 12 17 19 18 16 11 9 8 9 11 16 18 18 12 10 12 13
WIND GUST (MPH) 31 39 42 40 36 31 26 25 26 29 36 39 40 34 31 32 34
PRECIP PROB (%) 0 10 10 30 30 20 10 5 5 5 5 5 5 5 5 5 10
PRECIP TYPE S S S S
6 HOUR QPF 0.00 0.01 0.04 0.01 0.00 0.00 0.00 0.00
12 HOUR QPF 0.01 0.05 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.30 0.05 0.01 0.01
6 HOUR SNOW 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.2 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.1 0.3 0.0 0.0
SNOW LEVEL (KFT) 5.0 5.1 5.8 6.4 6.8 6.7 6.4 6.0 5.6 5.6 6.0 6.6 6.9 6.6 6.0 5.8 5.9
SNOW DENSITY (%) 14 12 16 20 25 16 14 11 10 10 14 25 50 33 20 25 20
..MADISON RANGE/SPANISH PEAKS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK OV OV BK OV BK BK SC SC SC SC BK SC SC BK OV
CLOUD COVER (%) 70 55 70 75 65 75 70 60 50 40 45 50 55 50 45 55 75
TEMPERATURE 25 27 32 34 33 30 28 27 25 29 35 39 38 33 31 29 28
MAX/MIN TEMP 36 25 40 28
WIND DIR S SW SW SW SW SW W W W SW SW SW SW S S S S
WIND (MPH) 14 17 19 17 13 9 6 5 6 9 12 16 16 13 13 13 14
WIND GUST (MPH) 39 42 44 40 33 26 33 37 39 35 34 35 37
PRECIP PROB (%) 5 5 30 60 40 20 10 5 10 10 10 10 5 5 5 5 30
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.10 0.08 0.01 0.00 0.00 0.00 0.00
12 HOUR QPF 0.10 0.09 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.35 0.11 0.02 0.06
6 HOUR SNOW 0.0 1.3 1.0 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.3 1.1 0.0 0.0
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 4.4 1.4 0.2 0.6
SNOW LEVEL (KFT) 5.1 5.2 5.8 6.4 6.7 6.6 6.4 6.0 5.7 5.8 6.4 6.9 7.1 6.8 6.0 6.1 6.1
SNOW DENSITY (%) 7 7 7 8 9 8 7 7 7 7 8 12 12 12 10 10 10
..GALLATIN RANGE/HYALITE MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK BK OV BK OV OV BK BK SC SC SC BK SC SC BK OV
CLOUD COVER (%) 70 65 65 75 70 75 80 70 55 35 45 50 55 45 45 55 75
TEMPERATURE 27 29 36 38 36 31 30 29 27 30 39 42 41 35 32 31 30
MAX/MIN TEMP 39 26 43 30
WIND DIR S SW SW SW SW SW W W W SW SW SW SW SW S S S
WIND (MPH) 13 14 17 16 13 9 6 5 6 8 12 14 14 12 12 12 13
WIND GUST (MPH) 33 36 39 35 32 33 34 31 31 31 31
PRECIP PROB (%) 5 0 10 40 30 20 20 5 5 5 10 10 5 5 5 5 30
PRECIP TYPE S S S S S S
6 HOUR QPF 0.00 0.05 0.09 0.04 0.00 0.00 0.00 0.00
12 HOUR QPF 0.05 0.13 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.21 0.15 0.03 0.03
6 HOUR SNOW 0.0 0.5 0.8 0.5 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.5 1.3 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.9 1.6 0.1 0.2
SNOW LEVEL (KFT) 5.0 5.1 5.8 6.5 6.7 6.6 6.4 6.1 5.7 5.8 6.5 7.0 7.2 6.8 6.1 6.0 6.0
SNOW DENSITY (%) 8 8 9 10 10 9 8 7 7 7 10 14 16 14 12 12 11
..LIONHEAD RANGE
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV BK OV OV OV BK BK BK BK BK BK BK SC SC SC SC OV
CLOUD COVER (%) 75 65 75 75 75 60 55 60 65 55 60 50 50 45 35 45 70
TEMPERATURE 27 28 34 37 36 32 30 28 27 30 36 39 39 35 31 29 28
MAX/MIN TEMP 38 25 41 27
WIND DIR SW SW SW SW SW SW SW SW S SW SW SW SW S S S S
WIND (MPH) 14 17 17 16 13 9 5 4 4 5 9 11 12 11 11 10 11
WIND GUST (MPH) 36 37 34
PRECIP PROB (%) 10 20 40 60 50 20 10 5 20 20 20 20 5 5 10 10 50
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.02 0.13 0.06 0.01 0.00 0.00 0.00 0.00
12 HOUR QPF 0.15 0.07 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.27 0.08 0.02 0.15
6 HOUR SNOW 0.3 1.4 0.6 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.7 0.7 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 2.5 0.8 0.1 1.4
SNOW LEVEL (KFT) 5.4 5.4 5.8 6.2 6.5 6.4 6.3 6.1 5.7 5.8 6.4 6.8 7.1 6.6 5.9 5.8 5.8
SNOW DENSITY (%) 7 7 8 9 10 10 9 7 7 7 9 14 16 16 11 10 10
..TOBACCO ROOT MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK OV OV BK OV SC SC SC SC SC SC SC SC SC BK OV
CLOUD COVER (%) 65 60 70 70 65 75 45 40 25 30 35 40 40 45 45 60 80
TEMPERATURE 27 30 34 37 37 33 31 29 27 31 37 42 41 37 34 33 32
MAX/MIN TEMP 39 26 43 32
WIND DIR SW SW SW SW W W W W W SW SW SW SW SW SW SW SW
WIND (MPH) 16 18 20 18 16 11 10 9 9 11 17 20 21 17 16 16 16
WIND GUST (MPH) 35 40 43 36 28 36 42 43 35 35 35 35
PRECIP PROB (%) 0 10 50 40 30 20 5 5 5 5 5 5 5 5 5 5 20
PRECIP TYPE S S S S S S
6 HOUR QPF 0.03 0.06 0.04 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.09 0.04 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.52 0.05 0.01 0.04
6 HOUR SNOW 0.4 0.7 0.4 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.1 0.4 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 6.4 0.5 0.0 0.3
SNOW LEVEL (KFT) 4.9 5.1 5.9 6.5 6.9 6.7 6.2 5.8 5.5 5.6 6.1 6.6 6.9 6.5 6.0 6.0 6.1
SNOW DENSITY (%) 8 8 9 11 11 10 9 7 7 7 10 14 20 16 12 12 11
..SNOWCREST/GRAVELLY/RUBY/BLACKTAIL RANGES
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER SC SC OV OV OV OV SC SC SC SC SC SC BK SC SC BK OV
CLOUD COVER (%) 45 50 75 75 75 70 50 35 30 30 45 50 55 50 45 55 75
TEMPERATURE 28 30 36 37 37 32 30 28 27 31 39 42 41 36 33 31 30
MAX/MIN TEMP 39 26 43 30
WIND DIR S S SW SW SW W NW W W SW SW SW SW S S S S
WIND (MPH) 13 17 20 18 13 10 6 5 5 8 13 18 18 13 11 11 13
WIND GUST (MPH) 33 39 41 35 31 28 28 32
PRECIP PROB (%) 0 10 40 50 30 20 5 5 5 5 10 10 0 0 5 5 20
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.02 0.12 0.05 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.14 0.05 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.29 0.06 0.02 0.03
6 HOUR SNOW 0.3 1.2 0.5 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.5 0.5 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 2.8 0.6 0.0 0.2
SNOW LEVEL (KFT) 5.0 5.1 5.8 6.6 6.8 6.6 6.2 5.9 5.5 5.7 6.3 6.8 7.1 6.6 6.1 6.2 6.2
SNOW DENSITY (%) 7 7 8 10 11 10 8 7 7 7 10 14 16 16 12 12 11
..CENTENNIAL MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK OV OV OV OV SC SC SC SC BK BK BK SC SC BK OV
CLOUD COVER (%) 55 55 70 80 75 70 45 40 35 40 55 50 55 45 40 55 70
TEMPERATURE 26 27 32 35 35 31 29 28 26 29 35 38 39 35 31 30 29
MAX/MIN TEMP 36 25 39 28
WIND DIR S S S SW SW SW W NW W SW SW SW SW S S S S
WIND (MPH) 14 19 21 19 16 11 8 6 6 8 13 16 17 16 12 11 12
WIND GUST (MPH) 40 36
PRECIP PROB (%) 5 10 50 70 40 10 10 5 20 20 30 30 5 5 5 5 40
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.03 0.16 0.06 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.19 0.06 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.30 0.07 0.03 0.07
6 HOUR SNOW 0.5 1.8 0.5 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 2.3 0.5 0.0 0.0
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 3.5 0.7 0.1 0.6
SNOW LEVEL (KFT) 5.1 5.2 5.9 6.3 6.6 6.6 6.3 5.9 5.6 5.7 6.3 6.8 7.1 6.7 6.0 5.9 5.9
SNOW DENSITY (%) 7 6 7 9 10 9 9 7 7 7 9 12 16 16 12 12 10
..ANACONDA/HIGHLAND RANGES
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK OV OV OV BK BK SC BK BK BK SC BK BK BK OV OV
CLOUD COVER (%) 60 65 80 80 75 70 60 50 55 55 55 50 55 60 70 80 85
TEMPERATURE 28 30 35 37 36 32 31 29 28 30 37 41 41 35 33 32 31
MAX/MIN TEMP 38 27 43 31
WIND DIR SW SW SW W NW NW NW W W SW SW W W SW SW SW SW
WIND (MPH) 9 11 12 12 11 9 6 5 5 8 12 14 16 11 10 10 10
WIND GUST (MPH) 32 35 32 28 33 36 36 28
PRECIP PROB (%) 50 40 60 60 40 20 10 5 10 10 5 5 5 5 40 40 70
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.06 0.11 0.03 0.01 0.00 0.00 0.00 0.00
12 HOUR QPF 0.17 0.04 0.00 0.00
LOW END QPF 0.02 0.00 0.00 0.00
HIGH END QPF 0.37 0.04 0.01 0.09
6 HOUR SNOW 0.9 0.9 0.3 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.8 0.4 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 3.5 0.5 0.0 0.9
SNOW LEVEL (KFT) 5.0 5.2 6.0 6.6 6.6 6.2 5.9 5.5 5.2 5.2 5.9 6.4 6.5 6.1 5.8 5.7 5.6
SNOW DENSITY (%) 7 7 8 10 11 9 8 7 7 7 9 14 16 14 11 11 10
..PIONEER MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER SC BK OV OV OV OV BK BK BK BK SC SC SC SC BK BK OV
CLOUD COVER (%) 45 65 80 80 80 70 65 55 55 50 40 35 50 45 55 70 80
TEMPERATURE 27 29 34 36 35 32 30 28 26 29 36 41 40 35 31 31 30
MAX/MIN TEMP 37 26 42 29
WIND DIR SW SW SW W W NW W W W W W W W SW SW SW SW
WIND (MPH) 10 12 13 14 14 11 9 6 6 9 12 16 17 12 11 11 11
WIND GUST (MPH) 31 34 36 35 35 31 27 24 26 33 37 40 34 33 34 34
PRECIP PROB (%) 30 40 60 70 30 10 5 0 10 10 5 5 0 0 10 10 40
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.04 0.08 0.02 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.12 0.02 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.29 0.03 0.00 0.05
6 HOUR SNOW 0.6 0.8 0.3 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.4 0.3 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 3.0 0.3 0.0 0.4
SNOW LEVEL (KFT) 5.0 5.4 6.0 6.7 6.8 6.3 5.9 5.6 5.3 5.4 6.0 6.5 6.7 6.1 6.0 5.9 5.9
SNOW DENSITY (%) 7 7 8 10 10 8 7 7 7 7 9 14 14 12 11 11 10
..BEAVERHEAD/TENDOY MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER BK BK OV OV OV BK SC SC SC SC SC SC SC SC BK OV OV
CLOUD COVER (%) 50 65 80 80 75 65 50 45 45 45 35 35 40 40 50 70 75
TEMPERATURE 27 29 33 36 36 31 29 28 27 30 37 41 41 35 32 31 30
MAX/MIN TEMP 38 26 42 30
WIND DIR SW SW SW W W NW NW W W SW SW SW SW SW SW SW S
WIND (MPH) 11 14 17 16 14 10 8 6 6 8 13 17 18 13 11 11 12
WIND GUST (MPH) 31 35 37 33 32 25 33 34 36 34 31 31 31
PRECIP PROB (%) 10 50 70 60 30 10 5 0 10 10 10 10 0 0 5 5 30
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.06 0.09 0.02 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.15 0.02 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.29 0.02 0.01 0.04
6 HOUR SNOW 0.9 1.0 0.2 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.9 0.2 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 3.2 0.3 0.0 0.3
SNOW LEVEL (KFT) 4.9 5.2 5.9 6.6 6.7 6.4 6.0 5.7 5.5 5.6 6.2 6.6 6.7 6.1 6.1 6.0 6.0
SNOW DENSITY (%) 7 7 7 9 9 8 7 7 6 7 9 14 16 12 11 11 10
..ABSORAKA-BEARTOOTH/COOKE CITY MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK BK BK BK BK SC BK BK
CLOUD COVER (%) 75 80 80 75 80 75 75 85 80 55 60 50 55 60 50 55 70
TEMPERATURE 22 23 28 31 30 26 25 25 24 26 32 36 34 29 27 25 24
MAX/MIN TEMP 32 24 36 24
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND (MPH) 13 17 20 20 17 12 9 6 6 8 11 14 14 13 12 12 12
WIND GUST (MPH) 32 36 42 41 37 29 28 32 33 31 31 31 31
PRECIP PROB (%) 10 10 20 50 30 10 10 10 5 5 30 30 10 10 5 5 20
PRECIP TYPE
6 HOUR QPF 0.00 0.06 0.02 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.06 0.02 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.17 0.04 0.03 0.08
6 HOUR SNOW 0.0 0.8 0.4 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.8 0.4 0.0 0.0
LOW END SNOW 0.1 0.0 0.0 0.0
HIGH END SNOW 2.2 0.5 0.3 0.9
SNOW LEVEL (KFT) 5.3 5.3 5.8 6.3 6.5 6.3 6.2 6.1 6.0 6.0 6.6 7.1 7.2 6.9 6.1 6.0 5.9
SNOW DENSITY (%) 6 6 6 7 7 6 6 6 6 6 7 10 10 9 8 8 8
..ABSORAKA MOUNTAINS ABOVE 6000FT NORTHEAST FACING
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV OV OV BK BK BK BK BK SC SC SC SC SC SC SC BK BK
CLOUD COVER (%) 80 80 75 65 65 50 50 50 45 25 40 45 40 40 40 55 65
TEMPERATURE 27 28 33 36 35 30 29 28 27 31 38 41 39 34 31 30 29
MAX/MIN TEMP 37 26 42 29
WIND DIR SW SW SW SW SW SW SW W W SW SW SW SW SW SW SW SW
WIND (MPH) 19 21 24 23 21 17 13 12 11 11 13 16 17 17 18 18 18
WIND GUST (MPH) 46 55 56 55 51 41 35 31 29 29 33 36 41 40 42 43 42
PRECIP PROB (%) 10 10 10 40 30 10 10 10 5 5 20 20 10 10 5 5 20
PRECIP TYPE
6 HOUR QPF 0.00 0.03 0.03 0.01 0.00 0.00 0.00 0.00
12 HOUR QPF 0.03 0.04 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.10 0.04 0.05 0.03
6 HOUR SNOW 0.0 0.4 0.3 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.4 0.4 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.9 0.5 0.2 0.2
SNOW LEVEL (KFT) 5.2 5.2 5.8 6.3 6.5 6.2 6.2 6.1 5.9 6.0 6.6 7.2 7.3 6.9 6.2 6.1 5.9
SNOW DENSITY (%) 9 8 9 10 10 10 9 8 8 8 10 12 14 12 12 12 11
..ABSORAKA MOUNTAINS ABOVE 6000FT WEST FACING
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV OV OV OV OV BK BK BK BK SC SC SC SC SC SC SC BK
CLOUD COVER (%) 75 70 75 75 70 65 70 70 60 45 50 50 50 45 40 50 70
TEMPERATURE 26 28 34 36 35 30 29 28 27 30 37 40 39 34 31 29 28
MAX/MIN TEMP 37 26 41 27
WIND DIR SW SW SW SW SW SW SW W SW SW SW SW SW SW SW SW SW
WIND (MPH) 13 16 18 18 16 10 6 5 5 6 11 14 14 12 12 11 12
WIND GUST (MPH) 43 52 55 52 51 39 31 27 27 32 35 37 40 37 40 41 40
PRECIP PROB (%) 10 5 20 50 30 10 10 5 5 5 10 10 5 5 5 5 30
PRECIP TYPE S S S S S
6 HOUR QPF 0.00 0.06 0.04 0.01 0.00 0.00 0.00 0.00
12 HOUR QPF 0.06 0.05 0.00 0.00
LOW END QPF 0.01 0.00 0.00 0.00
HIGH END QPF 0.19 0.06 0.03 0.06
6 HOUR SNOW 0.0 0.6 0.5 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.6 0.6 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 2.1 0.7 0.2 0.5
SNOW LEVEL (KFT) 5.2 5.3 5.8 6.4 6.6 6.3 6.2 6.1 5.8 5.9 6.5 7.0 7.2 6.8 6.1 5.9 5.9
SNOW DENSITY (%) 7 7 8 9 9 8 7 7 7 7 9 12 14 12 10 10 10
..CRAZY MOUNTAINS
DATE MONDAY 04/13/26 TUESDAY 04/14/26
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A
CLOUD COVER OV OV OV OV OV BK BK BK SC FW SC SC SC BK BK BK BK
CLOUD COVER (%) 70 75 75 80 70 70 65 55 50 25 25 30 35 50 55 65 65
TEMPERATURE 31 34 39 42 41 36 34 32 31 33 40 45 45 39 36 35 33
MAX/MIN TEMP 43 30 46 33
WIND DIR SW SW W W W W W W W W W W W SW SW SW SW
WIND (MPH) 18 25 28 26 23 19 17 16 16 18 21 23 24 17 14 17 18
WIND GUST (MPH) 43 55 58 52 49 42 41 39 37 43 48 49 49 40 36 41 42
PRECIP PROB (%) 0 5 5 20 30 20 10 10 5 5 10 10 5 5 5 5 10
PRECIP TYPE S S S
6 HOUR QPF 0.00 0.00 0.03 0.01 0.00 0.00 0.00 0.00
12 HOUR QPF 0.00 0.04 0.00 0.00
LOW END QPF 0.00 0.00 0.00 0.00
HIGH END QPF 0.13 0.04 0.01 0.01
6 HOUR SNOW 0.0 0.0 0.2 0.1 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.3 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.8 0.3 0.0 0.0
SNOW LEVEL (KFT) 5.2 5.2 5.9 6.4 6.8 6.8 6.5 6.1 5.7 5.7 6.2 6.7 6.9 6.7 6.1 5.8 5.8
SNOW DENSITY (%) 12 11 12 16 16 14 12 10 9 9 11 20 25 25 16 16 14
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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