Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
050
FWUS45 KTFX 071002
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
300 AM MST Sun Dec 7 2025
...Glacier National Park/Marias Pass...
Date Sunday 12/07/25 Monday 12/08/25
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 BK OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 85 85 75 70 70 80 80 85 80 85 85 90 90 90 90 80
Temperature 26 26 27 29 28 29 30 31 31 31 31 33 32 33 33 34 34
Max/Min Temp 31 28 35 28
Wind Dir W SW SW SW SW SW W W W W SW SW SW SW SW W W
Wind (mph) 23 21 20 21 24 29 32 33 31 29 26 29 31 40 42 43 40
Wind Gust (mph) 55 51 43 44 52 67 74 78 75 70 57 58 65 86 92 97 94
Precip Prob (%) 10 20 20 20 50 40 30 30 50 50 70 70 80 80 90 90 70
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.03 0.09 0.07 0.09 0.15 0.27 0.52
12 Hour QPF 0.05 0.16 0.24 0.79
Low End QPF 0.01 0.04 0.13 0.14
High End QPF 0.10 0.23 0.49 0.95
6 Hour Snow 0.2 0.4 1.0 0.8 1.0 0.9 1.7 3.0
12 Hour Snow 0.6 1.8 1.9 4.7
Low End Snow 0.2 0.4 0.9 0.8
High End Snow 1.2 2.7 3.8 6.6
Snow Level (kft) 3.1 3.2 3.7 4.1 4.3 4.5 4.8 4.7 4.4 4.3 4.5 4.9 5.2 5.8 6.0 5.5 4.7
Snow Density (%) 7 7 9 9 10 10 10 10 10 10 10 10 14 14 16 16 9
...Bob Marshall/Scapegoat Wilderness...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV OV
Cloud Cover (%) 75 80 75 75 80 70 75 75 80 80 90 90 90 90 95 95 90
Temperature 26 26 28 29 28 29 30 31 31 31 32 34 32 34 34 35 35
Max/Min Temp 31 28 36 29
Wind Dir W W W W W W W W W W W SW SW W W W W
Wind (mph) 21 18 14 14 14 21 27 28 28 25 20 23 24 31 35 36 36
Wind Gust (mph) 59 51 39 36 40 56 67 69 66 61 49 50 54 78 86 89 85
Precip Prob (%) 20 20 20 20 70 40 40 20 70 70 80 80 80 80 90 90 90
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.01 0.09 0.03 0.04 0.10 0.15 0.35
12 Hour QPF 0.02 0.12 0.14 0.50
Low End QPF 0.00 0.03 0.06 0.17
High End QPF 0.07 0.16 0.38 0.66
6 Hour Snow 0.0 0.2 1.0 0.3 0.4 0.3 0.7 1.1
12 Hour Snow 0.2 1.3 0.7 1.8
Low End Snow 0.0 0.3 0.4 0.7
High End Snow 0.8 1.9 2.6 5.0
Snow Level (kft) 3.6 3.6 4.0 4.5 4.6 5.0 5.1 4.8 4.6 4.7 4.9 5.4 5.7 6.2 6.6 6.3 5.5
Snow Density (%) 7 7 8 8 9 9 9 9 9 9 10 10 14 14 20 20 10
...Nevada Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV OV
Cloud Cover (%) 80 85 80 75 80 70 80 85 85 80 85 90 85 85 85 85 90
Temperature 28 27 28 30 29 30 31 32 33 33 33 36 34 36 37 38 39
Max/Min Temp 32 29 38 32
Wind Dir W W SW SW SW SW W W W W SW SW SW SW SW SW W
Wind (mph) 18 14 12 12 13 20 23 24 24 21 17 19 20 27 32 33 33
Wind Gust (mph) 41 33 29 46 51 54 54 48 37 39 42 61 65 67 65
Precip Prob (%) 10 5 10 10 50 40 20 30 50 50 70 70 70 70 80 80 90
Precip Type S S S S S S S S S S S S S R S
6 Hour QPF 0.01 0.00 0.06 0.03 0.03 0.04 0.04 0.13
12 Hour QPF 0.01 0.09 0.07 0.17
Low End QPF 0.00 0.01 0.01 0.05
High End QPF 0.06 0.12 0.22 0.43
6 Hour Snow 0.1 0.0 0.5 0.3 0.3 0.0 0.0 0.0
12 Hour Snow 0.1 0.8 0.3 0.0
Low End Snow 0.0 0.1 0.0 0.0
High End Snow 0.7 1.2 0.8 1.3
Snow Level (kft) 3.7 3.7 4.1 4.6 4.6 5.1 5.1 4.9 4.8 4.9 5.2 5.7 5.9 6.4 6.8 6.6 6.0
Snow Density (%) 8 8 9 9 11 11 11 11 11 11 12 12 20 20 33 33 16
...Elkhorn/Boulder Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 BK OV BK BK OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 80 80 80 70 70 70 60 75 75 70 75 85 85 85 75 75 85
Temperature 24 24 27 29 27 28 28 29 29 29 32 34 32 33 34 36 37
Max/Min Temp 30 26 35 31
Wind Dir W W SW SW SW W W W SW SW SW SW SW SW SW SW W
Wind (mph) 14 12 10 11 11 17 18 19 18 17 14 16 16 20 24 26 27
Wind Gust (mph) 33 35 40 41 40 37 33 33 34 48 54 59 63
Precip Prob (%) 5 5 5 10 30 10 5 5 10 10 20 20 30 30 50 50 70
Precip Type S S S S S S S S S S
6 Hour QPF 0.00 0.00 0.02 0.00 0.00 0.00 0.01 0.03
12 Hour QPF 0.00 0.02 0.00 0.04
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.04 0.04 0.09 0.25
6 Hour Snow 0.0 0.0 0.2 0.0 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 0.5 0.4 0.4 1.3
Snow Level (kft) 3.7 3.6 4.1 4.7 4.8 5.2 5.3 5.0 4.8 4.9 5.3 6.0 6.2 6.4 6.8 6.9 6.5
Snow Density (%) 7 7 8 8 10 10 10 10 9 9 11 11 16 16 25 25 14
...Big Belt Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 BK OV OV BK OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 65 70 75 70 85 75 65 75 90 90 90 90 90 90 85 85 85
Temperature 27 27 29 31 30 30 30 31 32 32 34 36 34 36 37 39 40
Max/Min Temp 31 28 37 34
Wind Dir W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 16 14 13 14 13 19 20 20 20 18 17 18 18 23 27 29 31
Wind Gust (mph) 36 32 31 32 31 42 46 46 46 43 37 39 40 55 65 73 72
Precip Prob (%) 5 0 5 10 20 20 5 5 20 20 30 30 40 40 50 50 80
Precip Type S S S S S S S S S S R S
6 Hour QPF 0.01 0.01 0.02 0.00 0.00 0.01 0.01 0.02
12 Hour QPF 0.02 0.02 0.01 0.03
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.04 0.04 0.10 0.19
6 Hour Snow 0.1 0.1 0.2 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.2 0.2 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.4 0.4 0.3 0.6
Snow Level (kft) 3.4 3.4 3.8 4.3 4.4 4.7 4.9 4.7 4.6 4.6 5.0 5.6 5.8 6.0 6.4 6.5 6.2
Snow Density (%) 8 8 10 10 11 11 11 11 11 11 14 14 20 20 33 33 16
...Little Belt Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 SC OV OV SC SC BK BK BK OV OV OV OV OV OV
Cloud Cover (%) 60 55 55 45 70 80 50 50 60 65 65 75 85 85 85 90 85
Temperature 26 25 29 30 28 29 29 30 31 31 34 36 34 34 36 37 38
Max/Min Temp 31 26 37 32
Wind Dir W W W SW SW SW W W W W W SW SW SW SW SW W
Wind (mph) 18 14 13 14 13 18 21 24 24 23 20 23 21 26 29 32 35
Wind Gust (mph) 44 40 34 34 34 43 49 55 57 54 44 46 48 56 62 72 79
Precip Prob (%) 5 0 5 10 10 20 5 5 10 10 30 30 30 30 40 40 70
Precip Type S S S S S S S S S S
6 Hour QPF 0.00 0.00 0.03 0.00 0.01 0.01 0.01 0.01
12 Hour QPF 0.00 0.03 0.02 0.02
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.04 0.05 0.12 0.14
6 Hour Snow 0.0 0.0 0.3 0.1 0.0 0.0 0.1 0.0
12 Hour Snow 0.0 0.4 0.0 0.1
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.5 0.6 0.8 0.9
Snow Level (kft) 3.4 3.4 3.9 4.3 4.2 4.7 5.0 4.9 4.6 4.7 5.1 5.5 5.8 6.2 6.6 6.6 6.2
Snow Density (%) 7 7 8 8 10 10 10 10 10 10 12 12 16 16 25 25 14
...Highwood Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 SC SC SC BK OV SC FW SC BK BK OV OV OV OV OV OV
Cloud Cover (%) 70 45 35 30 65 80 25 25 40 60 50 75 85 80 80 90 80
Temperature 29 28 31 33 31 33 33 34 34 35 36 39 37 38 38 40 42
Max/Min Temp 34 31 40 34
Wind Dir W W W W SW SW W W W W W W SW SW SW SW W
Wind (mph) 25 20 17 17 16 23 29 33 33 32 27 29 28 34 37 41 43
Wind Gust (mph) 42 48 52 56 52 44 46 52 57 73 74
Precip Prob (%) 0 0 0 5 10 10 5 0 10 10 20 20 30 30 40 40 60
Precip Type S S S S S S
6 Hour QPF 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.02 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.02 0.03 0.06 0.08
6 Hour Snow 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.1 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.2 0.2 0.1 0.3
Snow Level (kft) 3.2 3.1 3.6 4.2 4.2 4.7 5.0 4.7 4.5 4.5 4.8 5.2 5.6 6.1 6.5 6.4 5.8
Snow Density (%) 9 9 11 11 16 16 16 16 14 14 16 16 33 33 50 50 16
...Snowy/Judith Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 SC BK BK SC OV BK FW FW SC SC BK OV OV OV OV OV
Cloud Cover (%) 70 50 65 65 50 80 55 25 20 30 45 65 85 85 85 90 90
Temperature 29 28 32 34 30 30 32 33 33 34 37 39 36 36 37 39 42
Max/Min Temp 35 26 40 31
Wind Dir W W W W SW SW W W W W W W SW SW SW SW W
Wind (mph) 21 18 12 11 10 14 17 21 23 21 17 19 18 21 24 28 32
Wind Gust (mph) 52 42 29 34 43 55 62 52 40 39 40 47 52 65 75
Precip Prob (%) 0 0 0 5 5 20 5 0 0 0 5 5 20 20 30 30 60
Precip Type S S S S S S
6 Hour QPF 0.00 0.00 0.03 0.00 0.00 0.00 0.01 0.00
12 Hour QPF 0.00 0.03 0.00 0.01
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.03 0.06 0.08
6 Hour Snow 0.0 0.0 0.2 0.0 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 0.0 0.2 0.1 0.3
Snow Level (kft) 3.2 3.0 3.5 4.1 4.0 4.3 4.9 4.6 4.4 4.3 4.9 5.3 5.5 5.8 6.3 6.5 6.2
Snow Density (%) 8 8 11 11 14 14 16 16 16 16 16 16 25 25 50 50 25
...Bears Paw Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 SC SC SC BK BK OV BK SC FW SC SC BK OV OV OV OV OV
Cloud Cover (%) 40 35 35 65 60 75 50 30 20 30 50 60 75 75 80 85 75
Temperature 25 24 29 32 29 29 31 33 33 33 36 37 35 35 35 37 39
Max/Min Temp 33 26 37 30
Wind Dir W W W W SW SW W W W W W W W SW SW W W
Wind (mph) 16 13 11 10 8 12 18 26 29 26 19 21 19 23 26 32 37
Wind Gust (mph) 35 46 52 48 39 39 36 40 55 65
Precip Prob (%) 0 0 0 0 5 10 5 0 0 0 5 5 40 40 50 50 60
Precip Type S S R R S S
6 Hour QPF 0.00 0.00 0.01 0.00 0.00 0.00 0.01 0.00
12 Hour QPF 0.00 0.01 0.00 0.01
Low End QPF 0.00 0.00 0.00 0.01
High End QPF 0.01 0.01 0.08 0.15
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 0.1 0.1 0.1 0.6
Snow Level (kft) 2.2 2.0 2.4 3.0 3.6 3.9 4.3 4.3 4.1 3.9 4.3 4.7 4.9 5.4 5.8 5.8 5.2
Snow Density (%) 7 7 10 10 16 16 16 16 16 16 16 16 20 20 33 33 16
...Castle/Crazy Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 BK BK OV OV BK BK BK BK OV OV OV OV OV OV
Cloud Cover (%) 70 65 60 50 60 85 75 65 65 70 60 75 85 85 85 90 90
Temperature 25 25 28 30 28 28 29 29 29 30 33 35 33 34 35 37 38
Max/Min Temp 30 26 36 32
Wind Dir W W SW SW SW SW SW W W W W SW SW SW SW SW W
Wind (mph) 21 18 16 17 16 21 23 25 25 24 21 24 23 27 31 33 35
Wind Gust (mph) 62 48 40 40 37 54 62 67 69 65 56 56 57 70 79 88 93
Precip Prob (%) 5 0 5 5 5 20 5 0 10 10 20 20 20 20 30 30 70
Precip Type S S S S S S S
6 Hour QPF 0.00 0.00 0.02 0.00 0.00 0.00 0.01 0.01
12 Hour QPF 0.00 0.02 0.00 0.02
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.04 0.04 0.10 0.19
6 Hour Snow 0.0 0.0 0.2 0.0 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 0.5 0.5 0.6 1.2
Snow Level (kft) 3.4 3.3 3.8 4.3 4.3 4.7 4.9 4.8 4.6 4.6 5.1 5.7 5.9 6.1 6.5 6.7 6.5
Snow Density (%) 7 7 8 8 9 9 10 10 9 9 12 12 16 16 25 25 16
...Bridger Range...
Date Sunday 12/07/25 Monday 12/08/25
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 BK OV OV OV SC OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 65 65 70 60 75 85 70 50 80 70 80 85 85 90 90 90 90
Temperature 25 25 28 29 28 29 29 29 30 31 33 35 33 34 36 37 38
Max/Min Temp 30 27 36 33
Wind Dir W W W SW SW SW SW W W W SW SW SW SW SW SW SW
Wind (mph) 16 13 11 12 11 16 18 19 19 19 17 18 17 20 24 26 27
Wind Gust (mph) 39 33 28 29 36 41 47 48 49 41 40 37 52 59 64 64
Precip Prob (%) 0 5 10 10 10 20 5 5 10 10 20 20 20 20 30 30 80
Precip Type S S S S S S S S
6 Hour QPF 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.02 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.04 0.03 0.08 0.14
6 Hour Snow 0.0 0.0 0.2 0.0 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 0.5 0.3 0.3 0.6
Snow Level (kft) 3.4 3.4 3.9 4.4 4.5 4.8 5.0 4.9 4.7 4.8 5.2 5.8 6.0 6.2 6.5 6.8 6.6
Snow Density (%) 7 7 8 8 10 10 10 10 11 11 12 12 16 16 25 25 20
...Madison Range/Spanish Peaks...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV
Cloud Cover (%) 80 85 85 80 80 90 75 60 85 80 80 85 90 90 90 85 90
Temperature 20 19 22 24 23 23 24 24 24 24 27 29 27 28 29 30 32
Max/Min Temp 25 21 30 27
Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 11 11 11 13 14 18 16 14 13 13 13 16 18 23 24 24 24
Wind Gust (mph) 29 32 35 43 40 39 36 35 36 39 41 54 56 58 58
Precip Prob (%) 0 0 30 20 20 40 10 5 10 10 30 30 40 40 50 50 80
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.00 0.06 0.05 0.01 0.00 0.01 0.04 0.03
12 Hour QPF 0.06 0.06 0.01 0.07
Low End QPF 0.00 0.00 0.01 0.02
High End QPF 0.09 0.06 0.16 0.22
6 Hour Snow 0.0 1.0 0.6 0.1 0.0 0.2 0.9 0.4
12 Hour Snow 1.0 0.7 0.2 1.3
Low End Snow 0.0 0.0 0.1 0.2
High End Snow 1.4 0.9 1.7 2.3
Snow Level (kft) 3.7 3.7 4.2 4.6 4.7 5.2 5.5 5.4 5.1 5.1 5.5 6.0 6.2 6.4 6.8 7.0 6.9
Snow Density (%) 6 6 7 7 7 7 7 7 7 7 8 8 10 10 11 11 11
...Gallatin Range/Hyalite Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 BK SC BK OV OV OV OV OV OV OV OV
Cloud Cover (%) 65 75 80 75 80 95 65 35 70 70 80 90 90 95 90 85 90
Temperature 21 20 24 26 24 25 25 25 25 25 29 31 29 30 31 32 34
Max/Min Temp 27 23 32 29
Wind Dir SW SW SW SW SW SW SW W W SW SW SW SW SW SW SW SW
Wind (mph) 13 12 11 12 13 17 17 17 16 14 13 16 18 21 23 23 23
Wind Gust (mph) 31 37 36 35 33 34 33 36 37 49 50 52 54
Precip Prob (%) 0 0 30 20 20 30 10 5 10 10 30 30 40 40 50 50 80
Precip Type S S S S S S S S S S S S
6 Hour QPF 0.00 0.02 0.01 0.00 0.00 0.00 0.02 0.01
12 Hour QPF 0.02 0.01 0.00 0.03
Low End QPF 0.00 0.00 0.00 0.02
High End QPF 0.06 0.02 0.11 0.13
6 Hour Snow 0.0 0.2 0.1 0.0 0.0 0.0 0.2 0.1
12 Hour Snow 0.2 0.1 0.0 0.3
Low End Snow 0.0 0.0 0.0 0.1
High End Snow 0.9 0.3 1.0 1.2
Snow Level (kft) 3.7 3.7 4.2 4.7 4.7 5.2 5.5 5.4 5.1 5.2 5.6 6.1 6.3 6.5 6.9 7.1 7.0
Snow Density (%) 6 6 7 7 7 7 8 8 8 8 9 9 11 11 14 14 12
...Lionhead Range...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV OV
Cloud Cover (%) 90 90 85 85 90 95 85 75 85 85 85 85 90 95 90 90 95
Temperature 19 19 23 26 25 25 25 25 24 25 27 29 28 29 29 29 30
Max/Min Temp 26 21 30 26
Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 8 8 10 12 13 17 16 14 12 12 12 14 17 21 24 24 23
Wind Gust (mph) 43 44 43 42
Precip Prob (%) 0 0 60 60 60 80 40 10 50 50 80 80 80 80 70 70 90
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.09 0.10 0.02 0.01 0.02 0.12 0.10
12 Hour QPF 0.11 0.12 0.03 0.22
Low End QPF 0.00 0.00 0.02 0.07
High End QPF 0.15 0.15 0.25 0.35
6 Hour Snow 0.2 1.4 1.4 0.2 0.1 0.2 1.6 1.2
12 Hour Snow 1.6 1.6 0.3 2.8
Low End Snow 0.0 0.1 0.3 0.6
High End Snow 2.3 2.1 2.9 3.6
Snow Level (kft) 3.4 3.6 4.2 4.5 4.9 5.1 5.2 5.2 4.8 4.8 5.3 5.8 6.1 6.3 6.4 6.6 6.7
Snow Density (%) 6 6 6 6 7 7 7 7 8 8 8 8 9 9 11 11 12
...Tobacco Root Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV OV OV
Cloud Cover (%) 80 85 85 70 75 85 60 70 80 70 75 85 90 90 90 80 85
Temperature 21 22 25 27 25 26 26 26 27 27 30 32 30 31 32 34 35
Max/Min Temp 27 24 33 30
Wind Dir W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 14 12 12 14 16 21 21 21 20 19 18 20 21 26 28 28 28
Wind Gust (mph) 32 34 46 48 47 43 40 36 39 42 55 59 61 61
Precip Prob (%) 0 0 20 10 20 20 5 5 5 5 10 10 30 30 40 40 70
Precip Type S S S S S S S S S S S
6 Hour QPF 0.00 0.06 0.03 0.01 0.01 0.00 0.01 0.02
12 Hour QPF 0.06 0.04 0.01 0.03
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.09 0.07 0.10 0.17
6 Hour Snow 0.0 0.8 0.4 0.1 0.0 0.0 0.1 0.1
12 Hour Snow 0.8 0.5 0.0 0.2
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 1.2 0.8 0.8 1.3
Snow Level (kft) 3.7 3.8 4.2 4.7 4.9 5.3 5.4 5.4 5.1 5.1 5.4 6.1 6.3 6.4 6.8 7.0 6.9
Snow Density (%) 6 6 7 7 8 8 8 8 8 8 10 10 12 12 14 14 14
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV OV OV
Cloud Cover (%) 80 85 85 75 80 90 50 55 80 75 75 90 90 95 90 85 85
Temperature 20 21 24 26 24 24 24 23 24 24 28 31 28 29 30 31 33
Max/Min Temp 27 21 31 28
Wind Dir SW SW S S S SW SW SW SW SW SW S S S S S SW
Wind (mph) 10 10 11 13 14 16 13 13 12 12 13 16 17 20 23 23 21
Wind Gust (mph) 34 32 32 31 29 44 47 49 48
Precip Prob (%) 0 0 20 10 10 20 5 5 5 5 10 10 30 30 30 30 70
Precip Type S S S S S S S S S S
6 Hour QPF 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.03 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.05 0.02 0.06 0.12
6 Hour Snow 0.0 0.4 0.1 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.4 0.1 0.0 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.7 0.2 0.5 0.9
Snow Level (kft) 3.7 3.7 4.1 4.6 4.6 5.1 5.4 5.3 5.0 5.0 5.4 6.0 6.2 6.3 6.7 6.9 7.0
Snow Density (%) 7 7 7 7 8 8 8 8 8 8 10 10 12 12 14 14 14
...Centennial Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV OV OV
Cloud Cover (%) 80 85 85 80 90 95 70 55 70 75 75 85 90 95 90 90 90
Temperature 18 18 22 24 22 23 22 22 22 22 25 27 25 27 28 28 29
Max/Min Temp 24 20 28 26
Wind Dir SW S S S SW S SW SW SW S S S S S S S SW
Wind (mph) 6 8 10 11 12 12 11 9 8 9 10 12 13 18 20 20 19
Wind Gust (mph) 37 41 39
Precip Prob (%) 0 0 40 40 30 40 20 5 20 20 50 50 50 50 50 50 80
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.04 0.03 0.00 0.00 0.00 0.03 0.02
12 Hour QPF 0.05 0.03 0.00 0.05
Low End QPF 0.00 0.00 0.00 0.01
High End QPF 0.08 0.05 0.11 0.15
6 Hour Snow 0.0 0.5 0.3 0.0 0.0 0.1 0.4 0.1
12 Hour Snow 0.5 0.3 0.1 0.5
Low End Snow 0.0 0.0 0.1 0.1
High End Snow 1.3 0.6 1.1 1.4
Snow Level (kft) 3.4 3.5 3.9 4.3 4.4 4.9 5.1 5.1 4.7 4.7 5.1 5.7 5.9 6.1 6.3 6.5 6.6
Snow Density (%) 6 6 7 7 7 7 8 8 8 8 9 9 10 10 12 12 12
...Anaconda/Highland Ranges...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV
Cloud Cover (%) 85 90 85 85 90 85 70 70 80 75 80 90 90 95 90 90 90
Temperature 24 23 26 28 27 28 28 29 29 28 31 33 31 31 33 34 35
Max/Min Temp 29 26 34 30
Wind Dir W W SW SW SW SW W W W W SW SW SW SW SW SW SW
Wind (mph) 11 9 8 10 10 13 16 17 16 14 12 14 14 18 20 21 21
Wind Gust (mph) 29 34 37 39 40 37 33 35 37 43 44 48 51
Precip Prob (%) 20 10 10 30 80 30 30 20 40 40 80 80 80 80 90 90 90
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.04 0.07 0.03 0.02 0.07 0.15 0.22
12 Hour QPF 0.05 0.10 0.09 0.37
Low End QPF 0.01 0.01 0.06 0.12
High End QPF 0.08 0.13 0.33 0.58
6 Hour Snow 0.1 0.5 0.9 0.4 0.1 0.4 1.0 1.0
12 Hour Snow 0.6 1.3 0.5 2.0
Low End Snow 0.1 0.1 0.4 0.9
High End Snow 1.1 1.6 2.5 5.2
Snow Level (kft) 4.0 3.9 4.3 4.9 5.2 5.5 5.5 5.4 5.2 5.1 5.5 6.2 6.5 6.7 7.0 7.1 6.7
Snow Density (%) 7 7 7 7 9 9 8 8 8 8 10 10 12 12 16 16 12
...Pioneer Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 BK OV OV OV OV OV OV
Cloud Cover (%) 75 85 85 80 80 80 75 75 75 65 70 85 85 85 85 85 90
Temperature 22 22 25 27 26 26 26 27 27 27 29 32 30 30 31 33 34
Max/Min Temp 28 24 32 30
Wind Dir W W SW SW SW W W W W W W SW SW SW SW SW W
Wind (mph) 14 12 10 12 12 16 18 18 18 17 14 18 17 20 23 23 24
Wind Gust (mph) 42 32 29 42 49 51 51 48 40 42 42 55 59 64 65
Precip Prob (%) 5 5 5 10 50 20 20 10 10 10 30 30 50 50 60 60 80
Precip Type S S S S S S S S S S S S S
6 Hour QPF 0.00 0.02 0.04 0.02 0.00 0.02 0.05 0.10
12 Hour QPF 0.02 0.06 0.02 0.15
Low End QPF 0.00 0.00 0.01 0.04
High End QPF 0.06 0.08 0.20 0.46
6 Hour Snow 0.0 0.2 0.5 0.2 0.0 0.0 0.3 0.5
12 Hour Snow 0.2 0.7 0.0 0.8
Low End Snow 0.0 0.0 0.0 0.3
High End Snow 0.9 1.0 1.6 4.3
Snow Level (kft) 4.0 4.0 4.4 5.0 5.4 5.7 5.6 5.6 5.3 5.2 5.6 6.4 6.6 6.8 7.1 7.3 7.0
Snow Density (%) 6 6 7 7 8 8 8 8 8 8 10 10 12 12 14 14 12
...Beaverhead/Tendoy Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 BK BK BK OV OV OV OV OV OV
Cloud Cover (%) 80 90 80 70 75 80 55 60 65 60 65 80 85 90 85 85 85
Temperature 21 21 25 27 25 25 24 24 25 25 29 31 29 29 30 31 34
Max/Min Temp 28 22 31 28
Wind Dir W SW SW SW SW SW W W SW SW SW SW SW SW SW SW SW
Wind (mph) 10 9 9 11 11 12 13 13 13 12 12 14 14 17 19 20 20
Wind Gust (mph) 31 34 36 35 31 32 40 44 49 50
Precip Prob (%) 0 5 10 20 40 20 5 5 5 5 20 20 40 40 50 50 70
Precip Type S S S S S S S S S S S S S R S
6 Hour QPF 0.01 0.04 0.06 0.01 0.01 0.04 0.06 0.06
12 Hour QPF 0.05 0.07 0.05 0.12
Low End QPF 0.00 0.00 0.01 0.04
High End QPF 0.07 0.10 0.15 0.32
6 Hour Snow 0.1 0.5 0.7 0.2 0.0 0.1 0.3 0.3
12 Hour Snow 0.6 0.9 0.1 0.6
Low End Snow 0.0 0.0 0.0 0.3
High End Snow 1.0 1.2 1.2 3.0
Snow Level (kft) 4.0 4.0 4.4 5.0 5.3 5.7 5.8 5.7 5.3 5.2 5.6 6.4 6.5 6.7 7.0 7.2 7.2
Snow Density (%) 7 7 7 7 8 8 8 8 8 8 10 10 11 11 14 14 14
...Absoraka-Beartooth/Cooke City Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 OV OV OV OV
Cloud Cover (%) 75 75 80 85 90 90 90 75 75 80 80 85 90 90 90 85 95
Temperature 16 15 19 21 20 20 21 21 21 21 24 26 24 25 26 26 27
Max/Min Temp 22 19 26 24
Wind Dir W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 13 13 13 16 16 18 18 18 17 17 17 20 21 24 25 25 26
Wind Gust (mph) 35 33 31 35 41 43 44 44 44 42 46 44 52 56 59 62
Precip Prob (%) 10 5 20 30 40 70 30 10 20 20 50 50 60 60 70 70 90
Precip Type
6 Hour QPF 0.01 0.02 0.17 0.06 0.01 0.06 0.19 0.14
12 Hour QPF 0.03 0.23 0.07 0.33
Low End QPF 0.01 0.01 0.05 0.11
High End QPF 0.10 0.27 0.33 0.42
6 Hour Snow 0.1 0.3 2.6 0.8 0.3 1.1 2.7 1.8
12 Hour Snow 0.4 3.4 1.4 4.5
Low End Snow 0.2 0.2 0.8 1.3
High End Snow 1.6 4.0 4.3 5.1
Snow Level (kft) 3.4 3.3 4.1 4.6 4.5 5.0 5.4 5.2 5.1 5.1 5.6 6.0 6.1 6.4 6.6 6.8 6.9
Snow Density (%) 5 5 6 6 6 6 6 6 6 6 7 7 8 8 9 9 9
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Sunday 12/07/25 Monday 12/08/25
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 BK BK OV BK SC SC BK BK OV OV OV OV OV OV
Cloud Cover (%) 50 65 60 65 60 80 55 35 40 55 60 75 85 85 80 75 85
Temperature 20 20 25 26 23 24 25 26 26 27 30 31 28 30 31 32 34
Max/Min Temp 27 23 32 29
Wind Dir W W SW SW SW SW W W W SW SW SW SW SW SW SW SW
Wind (mph) 20 19 17 17 20 25 25 25 25 24 21 25 26 29 33 35 35
Wind Gust (mph) 50 43 35 37 46 59 64 62 62 58 54 57 58 70 78 82 82
Precip Prob (%) 5 0 10 20 20 50 20 5 10 10 30 30 50 50 50 50 80
Precip Type
6 Hour QPF 0.00 0.00 0.05 0.01 0.00 0.02 0.06 0.04
12 Hour QPF 0.00 0.06 0.02 0.10
Low End QPF 0.00 0.00 0.02 0.03
High End QPF 0.05 0.08 0.18 0.22
6 Hour Snow 0.0 0.1 0.7 0.1 0.0 0.1 0.5 0.3
12 Hour Snow 0.1 0.8 0.1 0.8
Low End Snow 0.0 0.0 0.2 0.3
High End Snow 0.7 1.1 1.6 2.0
Snow Level (kft) 3.5 3.5 4.0 4.6 4.5 5.0 5.5 5.2 5.1 5.0 5.5 6.0 6.2 6.5 6.8 7.0 7.0
Snow Density (%) 6 6 7 7 8 8 8 8 8 8 9 9 11 11 12 12 12
...Absoraka Mountains Above 6000ft West Facing...
Date Sunday 12/07/25 Monday 12/08/25
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 BK OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 70 75 80 80 85 90 75 60 70 75 75 85 90 90 90 85 90
Temperature 19 19 23 25 24 24 24 24 24 24 28 30 28 29 29 30 31
Max/Min Temp 26 22 31 27
Wind Dir W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 12 11 12 13 14 17 17 16 14 14 14 17 19 21 24 24 24
Wind Gust (mph) 47 40 35 37 42 55 59 58 59 54 47 50 54 67 72 79 80
Precip Prob (%) 0 5 20 30 30 60 30 10 20 20 40 40 60 60 60 60 80
Precip Type S S S S S S S S S S S S
6 Hour QPF 0.00 0.03 0.07 0.02 0.00 0.02 0.08 0.07
12 Hour QPF 0.03 0.09 0.02 0.15
Low End QPF 0.00 0.00 0.02 0.06
High End QPF 0.08 0.10 0.21 0.27
6 Hour Snow 0.0 0.4 1.0 0.2 0.1 0.4 1.2 0.9
12 Hour Snow 0.4 1.2 0.5 2.1
Low End Snow 0.1 0.1 0.2 0.6
High End Snow 1.3 1.5 2.5 2.8
Snow Level (kft) 3.5 3.5 4.2 4.6 4.6 5.1 5.4 5.3 5.1 5.1 5.5 6.0 6.1 6.4 6.7 6.9 6.9
Snow Density (%) 6 6 6 6 7 7 7 7 7 7 8 8 9 9 11 11 11
...Crazy Mountains...
Date Sunday 12/07/25 Monday 12/08/25
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 BK BK OV BK BK BK BK BK OV OV OV OV OV OV
Cloud Cover (%) 70 70 70 55 55 80 65 60 60 60 55 70 80 85 85 85 90
Temperature 24 24 27 28 26 27 28 29 29 30 32 34 32 33 35 36 38
Max/Min Temp 30 25 35 31
Wind Dir W W W W SW SW W W W W W W W SW W W W
Wind (mph) 28 23 18 18 17 26 29 32 33 29 26 28 27 32 37 41 44
Wind Gust (mph) 71 51 40 40 37 57 72 79 80 72 58 58 57 75 87 100 105
Precip Prob (%) 5 0 5 5 5 30 10 5 10 10 20 20 20 20 30 30 70
Precip Type S S S S S S S S
6 Hour QPF 0.02 0.00 0.06 0.01 0.01 0.01 0.02 0.01
12 Hour QPF 0.02 0.07 0.02 0.03
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.06 0.09 0.09 0.20
6 Hour Snow 0.3 0.0 0.8 0.1 0.0 0.0 0.1 0.1
12 Hour Snow 0.3 0.9 0.0 0.2
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.7 1.1 0.7 1.5
Snow Level (kft) 3.5 3.5 3.9 4.3 4.4 4.9 5.2 5.0 4.8 4.8 5.3 5.8 6.0 6.3 6.7 6.9 6.7
Snow Density (%) 7 7 7 7 9 9 9 9 9 9 11 11 14 14 20 20 14
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain