Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
692
FWUS45 KTFX 062201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
300 PM MST Sat Dec 6 2025
...Glacier National Park/Marias Pass...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV BK BK BK BK OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 65 55 55 70 75 90 75 75 75 75 75 80 85 85 85 90
Temperature 26 26 26 26 26 26 27 29 28 29 30 31 31 31 31 33 32
Min/Max Temp 24 31 28 35
Wind Dir SW W W W W SW SW SW SW SW SW W W W SW SW SW
Wind (mph) 18 27 28 26 23 23 20 21 23 29 32 33 33 34 31 29 31
Wind Gust (mph) 41 63 66 62 55 52 43 46 51 67 75 85 81 77 62 58 65
Precip Prob (%) 50 30 20 20 10 10 10 20 60 60 50 50 40 40 70 70 80
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.12 0.04 0.01 0.03 0.09 0.07 0.09 0.09
12 Hour QPF 0.16 0.04 0.16 0.18
Low End QPF 0.02 0.03 0.02 0.11
High End QPF 0.24 0.16 0.20 0.41
6 Hour Snow 1.6 0.6 0.2 0.4 1.0 0.8 1.0 0.9
12 Hour Snow 2.2 0.6 1.8 1.9
Low End Snow 0.4 0.3 0.2 0.8
High End Snow 3.3 1.8 2.1 2.8
Snow Level (kft) 4.1 3.9 3.5 3.3 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
Snow Density (%) 7 7 7 7 7 7 9 9 10 10 10 10 10 10 10 10 14
...Bob Marshall/Scapegoat Wilderness...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 75 70 65 75 80 80 75 85 85 75 75 75 80 85 90 90
Temperature 26 26 26 26 26 26 28 29 28 29 30 31 31 31 32 34 32
Min/Max Temp 24 31 28 36
Wind Dir W W W W W W W W SW SW W W W W W SW SW
Wind (mph) 16 24 25 25 21 18 14 14 14 21 27 28 31 31 25 23 24
Wind Gust (mph) 40 55 63 64 59 51 40 36 37 56 67 77 73 67 57 50 54
Precip Prob (%) 60 50 50 30 20 10 10 20 70 70 60 60 60 60 80 80 80
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.10 0.05 0.00 0.01 0.09 0.03 0.04 0.03
12 Hour QPF 0.15 0.01 0.12 0.07
Low End QPF 0.03 0.01 0.02 0.05
High End QPF 0.20 0.14 0.14 0.30
6 Hour Snow 1.4 0.7 0.0 0.2 1.0 0.3 0.4 0.3
12 Hour Snow 2.1 0.2 1.3 0.7
Low End Snow 0.4 0.1 0.2 0.3
High End Snow 2.9 1.6 1.5 1.9
Snow Level (kft) 4.3 4.0 3.8 3.7 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
Snow Density (%) 7 7 7 7 7 7 8 8 9 9 9 9 9 9 10 10 14
...Nevada Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 70 75 70 85 90 90 75 80 75 75 80 80 85 85 90 85
Temperature 28 28 27 28 28 27 28 30 29 30 31 32 33 33 33 36 34
Min/Max Temp 26 32 29 38
Wind Dir W W W W W W SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 17 21 21 21 18 14 12 12 13 20 23 24 26 25 20 19 20
Wind Gust (mph) 37 48 49 47 41 33 29 43 49 55 55 48 39 39 42
Precip Prob (%) 50 40 40 20 10 10 20 20 60 60 40 40 50 50 60 60 70
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.10 0.04 0.01 0.00 0.06 0.03 0.03 0.01
12 Hour QPF 0.14 0.01 0.09 0.04
Low End QPF 0.01 0.00 0.01 0.01
High End QPF 0.16 0.13 0.11 0.17
6 Hour Snow 1.3 0.5 0.1 0.0 0.5 0.3 0.3 0.0
12 Hour Snow 1.8 0.1 0.8 0.3
Low End Snow 0.1 0.0 0.1 0.0
High End Snow 2.2 1.1 0.9 0.6
Snow Level (kft) 4.5 4.1 3.9 3.8 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
Snow Density (%) 8 8 7 7 8 8 9 9 11 11 11 11 11 11 12 12 20
...Elkhorn/Boulder Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover BK BK BK OV OV OV OV BK OV BK BK OV OV OV OV OV OV
Cloud Cover (%) 65 50 65 70 80 85 80 65 75 65 60 70 75 80 80 85 85
Temperature 26 24 23 24 24 24 27 29 27 28 28 29 29 29 32 34 32
Min/Max Temp 22 30 26 35
Wind Dir W W W W W W SW SW SW SW SW W SW SW SW SW SW
Wind (mph) 12 17 17 17 14 12 10 11 11 16 18 18 19 18 16 16 16
Wind Gust (mph) 32 40 40 40 34 35 36 43 41 36 33 33 34
Precip Prob (%) 20 20 10 5 5 5 10 10 20 20 5 5 20 20 20 20 30
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.01 0.00 0.00 0.02 0.00 0.00 0.00
12 Hour QPF 0.02 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.05 0.07 0.04 0.06
6 Hour Snow 0.2 0.1 0.0 0.0 0.2 0.0 0.0 0.0
12 Hour Snow 0.3 0.0 0.2 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.8 0.8 0.4 0.3
Snow Level (kft) 4.6 4.1 3.8 3.7 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
Snow Density (%) 7 7 7 7 7 7 8 8 10 10 10 10 9 9 11 11 16
...Big Belt Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV BK BK BK BK BK BK BK OV OV BK OV OV OV OV OV OV
Cloud Cover (%) 80 65 65 60 65 70 65 60 85 70 60 70 85 85 90 90 90
Temperature 28 28 27 27 27 27 29 31 30 30 30 31 32 32 34 36 34
Min/Max Temp 25 31 28 37
Wind Dir W W W W W SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 13 18 19 19 17 14 13 14 14 19 20 20 20 20 18 18 18
Wind Gust (mph) 32 41 42 43 39 33 32 42 47 50 50 47 40 39 40
Precip Prob (%) 30 20 10 10 5 5 5 10 30 30 10 10 20 20 30 30 40
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.03 0.04 0.01 0.01 0.02 0.00 0.00 0.01
12 Hour QPF 0.07 0.02 0.02 0.01
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.11 0.06 0.04 0.07
6 Hour Snow 0.5 0.6 0.1 0.1 0.2 0.0 0.0 0.0
12 Hour Snow 1.1 0.2 0.2 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 1.6 0.6 0.3 0.3
Snow Level (kft) 4.6 4.1 3.7 3.5 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
Snow Density (%) 8 8 7 7 8 8 10 10 11 11 11 11 11 11 14 14 20
...Little Belt Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV BK BK BK SC SC SC OV OV SC SC BK BK OV OV OV
Cloud Cover (%) 85 70 60 70 60 50 50 45 70 75 50 50 60 70 70 75 85
Temperature 26 26 25 26 26 25 29 30 28 29 29 30 31 31 34 36 34
Min/Max Temp 23 31 26 37
Wind Dir W W W W W W W SW SW SW SW W W W W SW SW
Wind (mph) 11 18 20 20 19 14 13 14 13 18 21 23 25 26 23 23 21
Wind Gust (mph) 31 40 46 47 44 39 33 33 34 43 49 57 59 55 48 46 48
Precip Prob (%) 60 10 10 10 5 0 5 10 20 20 5 5 10 10 20 20 30
Precip Type S S S S S S S S
6 Hour QPF 0.06 0.01 0.00 0.00 0.03 0.00 0.00 0.01
12 Hour QPF 0.07 0.00 0.03 0.01
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.12 0.07 0.05 0.09
6 Hour Snow 0.8 0.2 0.0 0.0 0.3 0.1 0.0 0.0
12 Hour Snow 1.0 0.0 0.4 0.0
Low End Snow 0.1 0.0 0.0 0.0
High End Snow 1.8 0.8 0.5 0.5
Snow Level (kft) 4.4 4.2 3.8 3.5 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
Snow Density (%) 7 7 7 7 7 7 8 8 10 10 10 10 10 10 12 12 16
...Highwood Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV SC OV BK SC FW SC OV OV SC SC SC BK BK OV OV
Cloud Cover (%) 85 80 50 75 65 35 25 40 70 70 25 30 45 60 60 75 85
Temperature 20 24 27 29 29 28 31 33 31 33 33 34 34 35 36 39 37
Min/Max Temp 23 34 31 40
Wind Dir SW W W W W W W W SW SW SW W W W W W SW
Wind (mph) 6 17 27 29 26 20 17 16 16 23 28 32 34 34 29 29 28
Wind Gust (mph) 43 47 56 56 54 48 46
Precip Prob (%) 40 10 5 10 5 0 0 5 10 10 0 0 5 5 10 10 30
Precip Type S S
6 Hour QPF 0.04 0.00 0.00 0.00 0.02 0.00 0.00 0.00
12 Hour QPF 0.04 0.00 0.02 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.09 0.06 0.02 0.05
6 Hour Snow 0.4 0.0 0.0 0.0 0.1 0.0 0.0 0.0
12 Hour Snow 0.4 0.0 0.1 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 1.0 0.4 0.1 0.1
Snow Level (kft) 2.4 3.7 3.6 3.4 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
Snow Density (%) 9 9 9 9 9 9 11 11 16 16 16 16 14 14 16 16 33
...Snowy/Judith Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV BK BK BK SC SC BK BK OV SC SC FW SC SC BK OV
Cloud Cover (%) 85 90 60 65 60 45 35 55 55 75 45 30 25 40 45 65 85
Temperature 21 23 26 27 29 28 32 34 30 30 32 33 33 34 37 39 36
Min/Max Temp 19 35 26 40
Wind Dir W SW W W W W W W SW SW SW W W W W W SW
Wind (mph) 4 10 14 19 21 18 12 11 10 14 18 21 25 26 20 19 18
Wind Gust (mph) 36 46 51 42 31 35 43 58 64 55 42 39 40
Precip Prob (%) 20 50 5 5 5 0 0 5 10 10 0 0 0 0 5 5 20
Precip Type S S S S S
6 Hour QPF 0.03 0.00 0.00 0.00 0.03 0.00 0.00 0.00
12 Hour QPF 0.03 0.00 0.03 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.09 0.05 0.03 0.05
6 Hour Snow 0.4 0.0 0.0 0.0 0.2 0.0 0.0 0.0
12 Hour Snow 0.4 0.0 0.2 0.0
Low End Snow 0.1 0.0 0.0 0.0
High End Snow 1.1 0.3 0.2 0.1
Snow Level (kft) 2.2 3.1 3.5 3.3 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
Snow Density (%) 8 8 9 9 8 8 11 11 14 14 16 16 16 16 16 16 25
...Bears Paw Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV OV OV SC SC FW BK BK BK SC FW FW SC SC BK OV
Cloud Cover (%) 75 95 85 75 50 35 10 60 60 65 40 20 20 35 45 60 75
Temperature 11 13 17 21 25 24 29 32 29 29 31 33 33 33 36 37 35
Min/Max Temp 10 33 26 37
Wind Dir S S SW W W W W W W SW SW W W W W W W
Wind (mph) 5 6 8 12 16 13 11 10 8 12 17 25 29 29 23 21 19
Wind Gust (mph) 48 55 51 42 39 36
Precip Prob (%) 20 80 30 20 5 0 0 0 10 10 0 0 0 0 5 5 40
Precip Type S S S S S
6 Hour QPF 0.03 0.05 0.00 0.00 0.01 0.00 0.00 0.00
12 Hour QPF 0.08 0.00 0.01 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.14 0.04 0.01 0.11
6 Hour Snow 0.5 0.6 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 1.1 0.0 0.0 0.0
Low End Snow 0.1 0.0 0.0 0.0
High End Snow 1.7 0.2 0.1 0.1
Snow Level (kft) 0.1 0.4 1.4 2.3 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
Snow Density (%) 7 7 7 7 7 7 10 10 16 16 16 16 16 16 16 16 20
...Castle/Crazy Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV OV OV OV BK BK SC BK OV BK BK BK OV OV OV OV
Cloud Cover (%) 85 75 75 75 75 65 50 40 60 80 65 60 65 70 70 75 85
Temperature 29 27 25 25 25 25 28 30 28 28 29 29 29 30 33 35 33
Min/Max Temp 23 30 26 36
Wind Dir W W W W W W SW SW SW SW SW SW W W W SW SW
Wind (mph) 14 20 23 23 21 18 16 17 14 20 23 25 26 26 24 24 23
Wind Gust (mph) 35 49 58 62 62 50 40 40 36 51 61 70 73 69 59 56 57
Precip Prob (%) 50 10 20 10 5 0 5 5 10 10 5 5 10 10 10 10 20
Precip Type S S S S S S
6 Hour QPF 0.06 0.03 0.00 0.00 0.02 0.00 0.00 0.00
12 Hour QPF 0.09 0.00 0.02 0.00
Low End QPF 0.02 0.00 0.00 0.00
High End QPF 0.15 0.08 0.04 0.08
6 Hour Snow 0.9 0.4 0.0 0.0 0.2 0.0 0.0 0.0
12 Hour Snow 1.3 0.0 0.2 0.0
Low End Snow 0.2 0.0 0.0 0.0
High End Snow 2.1 1.0 0.4 0.4
Snow Level (kft) 4.7 4.4 3.8 3.5 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
Snow Density (%) 7 7 7 7 7 7 8 8 9 9 10 10 9 9 12 12 16
...Bridger Range...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV OV BK OV BK BK SC BK OV BK BK OV OV OV OV OV
Cloud Cover (%) 85 70 70 70 75 65 50 45 70 80 65 55 80 80 85 85 85
Temperature 28 27 25 25 25 25 28 29 28 29 29 29 30 31 33 35 33
Min/Max Temp 23 30 27 36
Wind Dir W W W W W W W SW SW SW SW SW SW SW SW SW SW
Wind (mph) 11 16 17 18 17 13 11 12 11 16 17 19 19 19 18 18 17
Wind Gust (mph) 28 41 43 47 42 34 29 29 36 40 47 47 47 42 40 37
Precip Prob (%) 50 10 10 10 5 5 5 10 20 20 5 5 10 10 20 20 20
Precip Type S S S S S S S S S S
6 Hour QPF 0.03 0.01 0.00 0.00 0.02 0.00 0.00 0.00
12 Hour QPF 0.04 0.00 0.02 0.00
Low End QPF 0.02 0.00 0.00 0.00
High End QPF 0.14 0.09 0.03 0.06
6 Hour Snow 0.4 0.1 0.0 0.0 0.2 0.0 0.0 0.0
12 Hour Snow 0.5 0.0 0.2 0.0
Low End Snow 0.3 0.0 0.0 0.0
High End Snow 1.8 0.9 0.3 0.3
Snow Level (kft) 4.9 4.3 3.7 3.5 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
Snow Density (%) 7 7 7 7 7 7 8 8 10 10 10 10 11 11 12 12 16
...Madison Range/Spanish Peaks...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV BK OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 80 65 70 65 85 85 80 80 80 90 75 70 85 75 85 85 90
Temperature 23 21 19 19 20 19 22 24 23 23 24 24 24 24 27 29 27
Min/Max Temp 17 25 21 30
Wind Dir W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 11 12 12 12 11 11 11 14 14 18 16 16 14 14 14 16 18
Wind Gust (mph) 33 33 34 31 28 32 35 42 40 41 40 39 37 39 41
Precip Prob (%) 50 10 10 5 5 5 30 20 40 40 10 10 20 20 30 30 40
Precip Type S S S S S S S S S S S S S
6 Hour QPF 0.03 0.01 0.00 0.06 0.05 0.01 0.00 0.02
12 Hour QPF 0.04 0.06 0.06 0.02
Low End QPF 0.01 0.01 0.00 0.01
High End QPF 0.10 0.12 0.06 0.16
6 Hour Snow 0.4 0.2 0.0 1.0 0.6 0.1 0.0 0.2
12 Hour Snow 0.6 1.0 0.7 0.2
Low End Snow 0.1 0.1 0.0 0.1
High End Snow 1.5 1.8 0.9 1.7
Snow Level (kft) 4.9 4.2 3.9 3.8 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
Snow Density (%) 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 8 10
...Gallatin Range/Hyalite Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV BK OV OV OV OV BK BK OV OV BK BK OV OV OV OV OV
Cloud Cover (%) 85 70 75 70 75 70 65 65 75 90 65 60 80 80 85 90 90
Temperature 24 22 20 20 21 20 24 26 24 25 25 25 25 25 29 31 29
Min/Max Temp 18 27 23 32
Wind Dir W W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 12 14 13 14 13 12 11 12 13 17 17 17 16 16 16 16 18
Wind Gust (mph) 34 33 34 31 37 36 39 35 36 34 36 37
Precip Prob (%) 60 20 10 5 5 0 20 10 40 40 10 10 20 20 30 30 40
Precip Type S S S S S S S S S S S S S
6 Hour QPF 0.03 0.00 0.00 0.02 0.01 0.00 0.00 0.00
12 Hour QPF 0.03 0.02 0.01 0.00
Low End QPF 0.01 0.00 0.00 0.00
High End QPF 0.08 0.12 0.03 0.09
6 Hour Snow 0.4 0.1 0.0 0.2 0.1 0.0 0.0 0.0
12 Hour Snow 0.5 0.2 0.1 0.0
Low End Snow 0.1 0.0 0.0 0.0
High End Snow 1.3 1.7 0.4 0.8
Snow Level (kft) 4.9 4.2 3.9 3.8 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
Snow Density (%) 6 6 6 6 6 6 7 7 7 7 8 8 8 8 9 9 11
...Lionhead Range...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV BK SC BK OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 50 45 65 90 95 90 85 95 95 85 80 95 90 85 85 90
Temperature 25 22 19 18 19 19 23 26 25 25 25 25 24 25 27 29 28
Min/Max Temp 16 26 21 30
Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 10 10 10 9 9 9 10 12 12 17 16 14 14 14 13 14 17
Wind Gust (mph) 33
Precip Prob (%) 60 20 20 20 5 5 50 50 80 80 50 50 50 50 80 80 80
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.00 0.02 0.09 0.10 0.02 0.01 0.02
12 Hour QPF 0.01 0.11 0.12 0.03
Low End QPF 0.00 0.04 0.01 0.03
High End QPF 0.09 0.21 0.17 0.24
6 Hour Snow 0.1 0.0 0.2 1.4 1.4 0.2 0.1 0.2
12 Hour Snow 0.1 1.6 1.6 0.3
Low End Snow 0.0 0.6 0.1 0.4
High End Snow 1.4 3.1 2.4 2.6
Snow Level (kft) 4.9 4.0 3.7 3.5 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
Snow Density (%) 7 7 6 6 6 6 6 6 7 7 7 7 8 8 8 8 9
...Tobacco Root Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover BK BK BK BK OV OV OV BK OV OV BK BK OV OV OV OV OV
Cloud Cover (%) 70 70 60 65 80 85 85 70 70 75 65 70 75 75 80 85 90
Temperature 25 23 21 21 21 22 25 27 25 26 26 26 27 27 30 32 30
Min/Max Temp 20 27 24 33
Wind Dir W W W W W SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 14 17 17 17 14 13 13 16 16 20 21 21 21 21 20 20 21
Wind Gust (mph) 32 37 39 39 33 34 43 47 50 47 42 37 39 42
Precip Prob (%) 10 10 5 5 0 0 5 10 20 20 5 5 10 10 20 20 30
Precip Type S S S S S
6 Hour QPF 0.03 0.01 0.00 0.06 0.03 0.01 0.00 0.00
12 Hour QPF 0.04 0.06 0.04 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.08 0.11 0.07 0.06
6 Hour Snow 0.5 0.1 0.0 0.8 0.4 0.1 0.0 0.0
12 Hour Snow 0.6 0.8 0.5 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 1.2 1.4 0.8 0.5
Snow Level (kft) 4.7 4.1 3.9 3.7 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
Snow Density (%) 6 6 6 6 6 6 7 7 8 8 8 8 8 8 10 10 12
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover BK SC SC BK OV OV OV OV OV OV BK BK OV OV OV OV OV
Cloud Cover (%) 65 50 50 50 75 85 85 75 80 80 60 60 80 75 80 90 90
Temperature 24 21 20 20 20 21 24 26 24 24 24 23 24 24 28 31 28
Min/Max Temp 18 27 21 31
Wind Dir W W W SW SW SW S S S S S SW S S S S S
Wind (mph) 12 12 12 11 10 10 11 13 14 16 14 13 13 14 14 16 17
Wind Gust (mph) 33 33 35 34 32
Precip Prob (%) 10 5 5 0 5 5 20 10 20 20 5 5 10 10 20 20 30
Precip Type S S S S S S S S S S
6 Hour QPF 0.00 0.00 0.00 0.03 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.03 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.03 0.06 0.02 0.06
6 Hour Snow 0.0 0.0 0.0 0.4 0.1 0.0 0.0 0.0
12 Hour Snow 0.0 0.4 0.1 0.0
Low End Snow 0.0 0.0 0.0 0.0
High End Snow 0.5 0.8 0.2 0.6
Snow Level (kft) 4.6 4.1 3.9 3.8 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
Snow Density (%) 6 6 6 6 7 7 7 7 8 8 8 8 8 8 10 10 12
...Centennial Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover BK SC SC SC OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 55 35 30 50 80 85 85 75 85 90 75 70 85 80 80 85 90
Temperature 23 20 18 18 18 18 22 24 22 23 22 22 22 22 25 27 25
Min/Max Temp 16 24 20 28
Wind Dir W W W SW SW S S S S S S SW S S S S S
Wind (mph) 11 12 10 9 6 8 10 12 12 13 11 10 10 10 11 12 13
Wind Gust (mph)
Precip Prob (%) 30 20 10 5 5 5 40 40 50 50 20 20 30 30 50 50 50
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.00 0.00 0.00 0.04 0.03 0.00 0.00 0.01
12 Hour QPF 0.00 0.04 0.03 0.01
Low End QPF 0.00 0.01 0.00 0.01
High End QPF 0.04 0.11 0.07 0.11
6 Hour Snow 0.0 0.0 0.0 0.5 0.3 0.0 0.0 0.1
12 Hour Snow 0.0 0.5 0.3 0.1
Low End Snow 0.0 0.2 0.0 0.1
High End Snow 0.6 1.6 1.0 1.1
Snow Level (kft) 4.6 4.0 3.8 3.6 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
Snow Density (%) 7 7 6 6 6 6 7 7 7 7 8 8 8 8 9 9 10
...Anaconda/Highland Ranges...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover BK OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 60 70 65 75 80 85 80 80 85 85 70 75 80 85 85 90 90
Temperature 25 23 23 23 24 23 26 28 27 28 28 29 29 28 31 33 31
Min/Max Temp 22 29 26 34
Wind Dir W W W W W W SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 13 14 14 13 11 9 9 10 10 13 14 16 16 16 14 14 14
Wind Gust (mph) 33 36 35 34 28 32 35 39 39 37 34 35 37
Precip Prob (%) 50 60 30 20 20 10 10 30 80 80 50 50 50 50 70 70 80
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.04 0.05 0.00 0.04 0.07 0.03 0.01 0.04
12 Hour QPF 0.09 0.04 0.10 0.05
Low End QPF 0.01 0.02 0.01 0.04
High End QPF 0.13 0.15 0.12 0.26
6 Hour Snow 0.6 0.7 0.1 0.5 0.9 0.4 0.1 0.4
12 Hour Snow 1.3 0.6 1.3 0.5
Low End Snow 0.2 0.3 0.1 0.4
High End Snow 2.1 2.0 1.5 2.0
Snow Level (kft) 4.5 4.2 4.0 4.0 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
Snow Density (%) 6 6 6 6 7 7 7 7 9 9 8 8 8 8 10 10 12
...Pioneer Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover BK OV BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 65 70 70 75 75 80 75 75 80 80 70 75 75 80 80 85 85
Temperature 24 22 21 22 22 22 25 27 26 26 26 27 27 27 29 32 30
Min/Max Temp 20 28 24 32
Wind Dir W W W W W W SW SW SW SW W W W SW SW SW SW
Wind (mph) 16 17 16 16 14 12 10 12 11 14 17 17 18 18 17 18 17
Wind Gust (mph) 40 48 47 48 44 33 28 39 46 51 51 48 42 42 42
Precip Prob (%) 30 20 10 10 5 5 5 10 50 50 20 20 20 20 30 30 50
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.03 0.02 0.00 0.02 0.04 0.02 0.00 0.00
12 Hour QPF 0.05 0.02 0.06 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.09 0.12 0.07 0.16
6 Hour Snow 0.5 0.3 0.0 0.2 0.5 0.2 0.0 0.0
12 Hour Snow 0.8 0.2 0.7 0.0
Low End Snow 0.1 0.1 0.0 0.0
High End Snow 1.4 1.6 0.9 1.3
Snow Level (kft) 4.5 4.1 4.0 4.0 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
Snow Density (%) 6 6 6 6 6 6 7 7 8 8 8 8 8 8 10 10 12
...Beaverhead/Tendoy Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover BK BK BK BK OV OV OV OV OV OV BK BK OV OV OV OV OV
Cloud Cover (%) 55 55 55 65 80 85 75 70 75 75 65 60 70 75 75 80 85
Temperature 22 20 20 20 21 21 25 27 25 25 24 24 25 25 29 31 29
Min/Max Temp 18 28 22 31
Wind Dir W W W W W SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 12 13 12 12 10 9 9 11 11 12 13 13 14 14 13 14 14
Wind Gust (mph) 29 32 32 32 35 35 33 32
Precip Prob (%) 10 10 5 5 0 5 5 10 40 40 10 10 10 10 20 20 40
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.06 0.03 0.00 0.04 0.06 0.01 0.00 0.01
12 Hour QPF 0.09 0.04 0.07 0.01
Low End QPF 0.00 0.01 0.00 0.01
High End QPF 0.11 0.12 0.08 0.12
6 Hour Snow 0.9 0.5 0.1 0.5 0.7 0.2 0.0 0.1
12 Hour Snow 1.4 0.6 0.9 0.1
Low End Snow 0.1 0.1 0.0 0.0
High End Snow 1.7 1.6 1.0 1.0
Snow Level (kft) 4.5 4.3 4.1 4.0 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
Snow Density (%) 6 6 6 6 7 7 7 7 8 8 8 8 8 8 10 10 11
...Absoraka-Beartooth/Cooke City Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 90 80 80 80 75 75 75 85 90 95 85 70 75 80 85 85 90
Temperature 20 19 16 16 16 15 19 21 20 20 21 21 21 21 24 26 24
Min/Max Temp 14 22 19 26
Wind Dir W W W W W SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 11 13 14 14 13 13 13 16 16 18 18 18 18 19 18 20 21
Wind Gust (mph) 32 35 37 36 33 31 35 41 42 47 47 47 44 46 44
Precip Prob (%) 70 40 40 20 20 10 10 30 60 60 30 30 30 30 40 40 60
Precip Type
6 Hour QPF 0.09 0.05 0.01 0.02 0.17 0.06 0.02 0.08
12 Hour QPF 0.14 0.03 0.23 0.10
Low End QPF 0.05 0.02 0.01 0.07
High End QPF 0.20 0.22 0.27 0.31
6 Hour Snow 1.4 0.9 0.1 0.3 2.6 0.8 0.3 1.1
12 Hour Snow 2.3 0.4 3.4 1.4
Low End Snow 0.8 0.4 0.2 1.0
High End Snow 3.4 3.5 4.1 3.8
Snow Level (kft) 5.1 4.5 3.8 3.6 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
Snow Density (%) 6 6 5 5 5 5 6 6 6 6 6 6 6 6 7 7 8
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV BK BK SC BK SC BK BK OV BK SC BK BK BK OV OV
Cloud Cover (%) 80 70 60 55 50 50 50 55 65 80 55 45 55 65 70 75 85
Temperature 22 22 20 20 20 20 25 26 23 24 25 26 26 27 30 31 28
Min/Max Temp 18 27 23 32
Wind Dir W W W W W W SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 12 16 19 20 20 19 17 17 20 25 25 25 27 27 25 25 26
Wind Gust (mph) 31 41 47 51 51 44 36 39 46 59 62 65 65 61 59 57 58
Precip Prob (%) 60 30 30 10 5 5 5 10 50 50 20 20 20 20 30 30 50
Precip Type
6 Hour QPF 0.04 0.02 0.00 0.00 0.05 0.01 0.00 0.01
12 Hour QPF 0.06 0.00 0.06 0.01
Low End QPF 0.02 0.00 0.00 0.01
High End QPF 0.10 0.14 0.08 0.14
6 Hour Snow 0.6 0.3 0.0 0.1 0.7 0.1 0.0 0.1
12 Hour Snow 0.9 0.1 0.8 0.1
Low End Snow 0.2 0.1 0.0 0.1
High End Snow 1.7 1.9 1.1 1.3
Snow Level (kft) 4.9 4.4 3.9 3.6 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
Snow Density (%) 7 7 6 6 6 6 7 7 8 8 8 8 8 8 9 9 11
...Absoraka Mountains Above 6000ft West Facing...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV BK BK BK OV OV OV OV OV OV OV BK OV OV OV OV OV
Cloud Cover (%) 80 65 70 65 75 75 70 75 85 90 75 70 80 80 80 85 90
Temperature 24 22 19 19 19 19 23 25 24 24 24 24 24 24 28 30 28
Min/Max Temp 16 26 22 31
Wind Dir W W W W W SW SW SW SW SW SW SW SW SW SW SW SW
Wind (mph) 11 13 12 12 12 11 12 13 14 17 17 16 16 16 16 17 19
Wind Gust (mph) 35 44 47 48 47 41 35 37 42 55 58 62 64 58 50 50 54
Precip Prob (%) 50 20 20 10 5 5 20 20 50 50 20 20 20 20 40 40 60
Precip Type S S S S S S S S S S S S S
6 Hour QPF 0.04 0.01 0.00 0.03 0.07 0.02 0.00 0.03
12 Hour QPF 0.05 0.03 0.09 0.03
Low End QPF 0.02 0.01 0.01 0.02
High End QPF 0.11 0.16 0.11 0.19
6 Hour Snow 0.6 0.2 0.0 0.4 1.0 0.2 0.1 0.4
12 Hour Snow 0.8 0.4 1.2 0.5
Low End Snow 0.3 0.2 0.1 0.3
High End Snow 1.8 2.4 1.6 2.2
Snow Level (kft) 5.0 4.3 3.8 3.6 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
Snow Density (%) 6 6 6 6 6 6 6 6 7 7 7 7 7 7 8 8 9
...Crazy Mountains...
Date Sunday 12/07/25 Monday 12/08/25
Time (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5p 8p 11p 2a 5a 8a 11a 2p 5p 8p 11p 2a 5a 8a 11a 2p 5p
Cloud Cover OV OV BK BK OV BK BK SC SC OV BK BK BK BK BK OV OV
Cloud Cover (%) 80 70 65 65 70 65 60 45 50 75 60 55 60 65 65 70 80
Temperature 27 26 24 24 24 24 27 28 26 27 28 29 29 30 32 34 32
Min/Max Temp 22 30 25 35
Wind Dir W W W W W W W W SW SW W W W W W W W
Wind (mph) 14 23 27 29 29 23 18 18 17 25 29 32 34 33 29 28 27
Wind Gust (mph) 35 51 65 71 71 55 41 40 36 55 69 80 82 75 63 58 57
Precip Prob (%) 60 30 20 10 10 0 5 5 20 20 5 5 10 10 10 10 20
Precip Type S S S S S S
6 Hour QPF 0.16 0.07 0.02 0.00 0.06 0.01 0.00 0.00
12 Hour QPF 0.23 0.02 0.07 0.00
Low End QPF 0.02 0.00 0.00 0.00
High End QPF 0.29 0.09 0.09 0.07
6 Hour Snow 2.3 1.1 0.3 0.0 0.8 0.1 0.0 0.0
12 Hour Snow 3.4 0.3 0.9 0.0
Low End Snow 0.3 0.0 0.0 0.0
High End Snow 4.3 1.1 1.0 0.5
Snow Level (kft) 4.8 4.5 3.8 3.6 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
Snow Density (%) 7 7 6 6 7 7 7 7 9 9 9 9 9 9 11 11 14
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain