Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
874
FWUS45 KTFX 051002
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
300 AM MST Fri Dec 5 2025
...Glacier National Park/Marias Pass...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK
Cloud Cover (%) 50 55 60 75 90 85 80 85 75 75 85 85 80 80 75 65 60
Temperature 20 20 23 25 24 25 26 24 22 22 25 26 25 27 27 26 27
Max/Min Temp 26 21 28 24
Wind Dir W SW SW SW SW SW W W W W W SW SW SW W W W
Wind (mph) 11 12 14 16 12 14 18 17 14 13 13 16 18 25 26 25 24
Wind Gust (mph) 33 35 44 47 42 36 32 33 39 56 62 61 57
Precip Prob (%) 10 10 5 30 60 60 70 50 60 60 80 80 60 60 40 40 30
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.00 0.02 0.12 0.13 0.04 0.06 0.06 0.03
12 Hour QPF 0.02 0.25 0.10 0.09
Low End QPF 0.01 0.04 0.05 0.01
High End QPF 0.11 0.32 0.17 0.11
6 Hour Snow 0.1 0.3 1.9 1.5 0.7 0.9 0.7 0.3
12 Hour Snow 0.4 3.4 1.6 1.0
Low End Snow 0.2 0.6 0.6 0.2
High End Snow 1.7 4.3 2.3 1.4
Snow Level (kft) 2.6 2.4 2.7 3.2 3.4 3.6 3.6 3.4 2.3 2.2 2.5 2.9 3.2 3.4 3.5 3.5 3.4
Snow Density (%) 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8
...Bob Marshall/Scapegoat Wilderness...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 55 55 65 75 90 80 85 85 95 95 90 90 80 80 75 70 65
Temperature 20 20 25 28 26 27 29 27 25 26 27 28 26 26 27 25 27
Max/Min Temp 29 24 29 24
Wind Dir W W W W W SW W W W W W W W W W W W
Wind (mph) 9 10 11 11 10 14 20 23 21 16 13 14 16 23 24 24 21
Wind Gust (mph) 28 37 52 55 51 44 35 35 37 56 64 64 59
Precip Prob (%) 20 10 5 30 70 70 70 80 90 90 90 90 70 70 50 50 40
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.00 0.03 0.19 0.23 0.09 0.05 0.04 0.03
12 Hour QPF 0.03 0.42 0.14 0.07
Low End QPF 0.01 0.09 0.03 0.01
High End QPF 0.13 0.48 0.18 0.09
6 Hour Snow 0.1 0.5 2.4 2.5 1.1 0.7 0.5 0.4
12 Hour Snow 0.6 4.9 1.8 0.9
Low End Snow 0.2 1.3 0.4 0.2
High End Snow 1.7 5.9 2.6 1.2
Snow Level (kft) 3.0 2.8 3.3 3.9 4.2 4.6 4.8 4.3 3.5 3.2 3.5 3.8 3.6 3.7 3.6 3.6 3.6
Snow Density (%) 6 6 7 7 8 8 8 8 7 7 7 7 7 7 7 7 7
...Nevada Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 70 65 65 85 90 85 85 80 90 90 85 85 75 80 75 70 75
Temperature 24 23 26 30 28 29 31 30 28 28 28 29 27 28 28 27 28
Max/Min Temp 31 27 30 26
Wind Dir W W W W SW SW W W W W W W W W W W W
Wind (mph) 8 9 11 11 10 16 21 24 24 19 16 16 16 20 21 20 18
Wind Gust (mph) 34 48 54 52 47 37 35 35 46 48 46 42
Precip Prob (%) 20 20 5 30 70 50 70 70 90 90 70 70 50 50 40 40 20
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.03 0.25 0.23 0.11 0.06 0.02 0.01
12 Hour QPF 0.04 0.48 0.17 0.03
Low End QPF 0.01 0.06 0.01 0.00
High End QPF 0.13 0.49 0.18 0.05
6 Hour Snow 0.1 0.6 2.3 1.8 0.7 0.3 0.1 0.1
12 Hour Snow 0.7 4.1 1.0 0.2
Low End Snow 0.1 0.7 0.1 0.1
High End Snow 1.5 4.9 2.2 0.6
Snow Level (kft) 3.2 3.1 3.7 4.2 4.4 4.8 5.0 4.5 3.8 3.4 3.6 3.9 3.8 3.7 3.5 3.5 3.4
Snow Density (%) 7 7 9 9 10 10 10 10 8 8 8 8 8 8 8 8 8
...Elkhorn/Boulder Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV BK BK OV OV BK BK OV
Cloud Cover (%) 75 65 50 75 90 90 85 75 75 75 65 65 70 70 65 65 70
Temperature 22 21 26 29 27 28 29 27 26 26 28 28 25 24 24 23 24
Max/Min Temp 30 25 29 22
Wind Dir W W W W SW W W W W W W W W W W W W
Wind (mph) 9 8 8 9 9 14 18 21 23 19 16 13 11 14 16 16 13
Wind Gust (mph) 42 50 54 48 35 31 29 36 37 36 32
Precip Prob (%) 30 10 0 10 80 40 50 60 60 60 40 40 20 20 10 10 5
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.04 0.22 0.09 0.06 0.02 0.00 0.00
12 Hour QPF 0.06 0.31 0.08 0.00
Low End QPF 0.01 0.03 0.00 0.00
High End QPF 0.14 0.38 0.10 0.03
6 Hour Snow 0.3 0.8 2.4 1.1 0.3 0.2 0.0 0.0
12 Hour Snow 1.1 3.5 0.5 0.0
Low End Snow 0.1 0.4 0.0 0.0
High End Snow 1.8 4.2 1.3 0.4
Snow Level (kft) 3.7 3.5 4.1 4.7 4.9 5.4 5.5 4.8 4.1 3.7 4.0 4.3 4.0 3.7 3.4 3.3 3.3
Snow Density (%) 7 7 8 8 9 9 9 9 7 7 7 7 7 7 7 7 7
...Big Belt Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 BK BK OV OV OV OV OV OV OV OV OV OV BK BK BK
Cloud Cover (%) 75 70 55 60 85 90 85 85 85 85 70 75 75 80 70 65 60
Temperature 23 22 26 29 27 29 30 29 27 27 28 29 27 28 27 25 26
Max/Min Temp 31 26 30 24
Wind Dir W W SW SW SW SW SW W W W W W SW SW SW SW SW
Wind (mph) 6 8 9 11 11 16 17 19 19 16 12 12 12 16 17 16 14
Wind Gust (mph) 37 49 55 47 33 29 35 37 36 36
Precip Prob (%) 30 30 5 10 60 50 60 50 70 70 50 50 30 30 20 20 5
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.02 0.21 0.09 0.06 0.05 0.02 0.00
12 Hour QPF 0.04 0.30 0.11 0.02
Low End QPF 0.00 0.03 0.01 0.00
High End QPF 0.11 0.37 0.13 0.03
6 Hour Snow 0.2 0.5 2.5 0.8 0.6 0.3 0.1 0.0
12 Hour Snow 0.7 3.3 0.9 0.1
Low End Snow 0.0 0.4 0.1 0.0
High End Snow 1.4 4.0 1.7 0.4
Snow Level (kft) 3.2 3.0 3.5 4.0 4.2 4.5 4.9 4.5 3.6 3.1 3.3 3.5 3.6 3.5 3.4 3.2 3.1
Snow Density (%) 7 7 8 8 10 10 10 10 8 8 8 8 8 8 8 8 8
...Little Belt Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV OV BK BK
Cloud Cover (%) 70 65 50 70 75 95 80 85 90 90 75 80 75 75 75 70 60
Temperature 22 20 26 29 26 26 29 28 25 25 28 29 26 26 26 24 26
Max/Min Temp 30 23 30 23
Wind Dir W W SW W SW SW W W W W W W W W W W W
Wind (mph) 8 8 9 11 10 12 14 18 19 14 12 12 12 17 18 18 17
Wind Gust (mph) 28 27 32 39 43 46 39 32 32 34 40 42 44 42
Precip Prob (%) 30 20 10 10 20 90 40 50 80 80 40 40 40 40 10 10 5
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.00 0.18 0.12 0.12 0.04 0.03 0.01
12 Hour QPF 0.01 0.30 0.16 0.04
Low End QPF 0.00 0.08 0.01 0.00
High End QPF 0.07 0.37 0.17 0.04
6 Hour Snow 0.2 0.2 2.1 1.5 1.3 0.4 0.1 0.0
12 Hour Snow 0.4 3.6 1.7 0.1
Low End Snow 0.0 1.0 0.1 0.0
High End Snow 1.0 4.6 2.4 0.5
Snow Level (kft) 2.9 2.7 3.2 3.7 3.9 4.3 4.8 4.6 3.5 2.9 3.1 3.1 3.4 3.5 3.5 3.4 3.3
Snow Density (%) 6 6 7 7 8 8 9 9 7 7 7 7 7 7 7 7 7
...Highwood Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 SC BK OV OV OV OV OV OV BK OV OV OV BK BK BK
Cloud Cover (%) 80 70 45 60 80 95 75 90 85 90 65 80 80 80 70 65 60
Temperature 25 23 27 30 28 28 30 29 24 23 24 26 23 26 28 26 29
Max/Min Temp 31 22 29 22
Wind Dir W W W W SW SW W W W W W W SW SW SW W W
Wind (mph) 12 10 6 9 10 11 14 18 17 13 10 6 9 16 20 24 23
Wind Gust (mph)
Precip Prob (%) 30 10 0 5 5 80 50 60 80 80 30 30 40 40 10 10 10
Precip Type S S S S S S S S S S S
6 Hour QPF 0.03 0.00 0.18 0.15 0.15 0.02 0.02 0.00
12 Hour QPF 0.03 0.33 0.17 0.02
Low End QPF 0.00 0.08 0.00 0.00
High End QPF 0.07 0.41 0.19 0.02
6 Hour Snow 0.4 0.0 1.4 1.6 1.7 0.4 0.1 0.0
12 Hour Snow 0.4 3.0 2.1 0.1
Low End Snow 0.0 1.0 0.0 0.0
High End Snow 1.1 4.8 2.5 0.3
Snow Level (kft) 2.5 2.4 2.8 3.3 3.5 3.8 4.2 4.0 2.4 1.4 1.3 1.2 1.5 2.2 2.8 3.0 3.0
Snow Density (%) 7 7 8 8 10 10 10 10 7 7 7 7 8 8 9 9 10
...Snowy/Judith Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 SC SC BK OV OV OV OV OV OV OV OV OV OV BK BK
Cloud Cover (%) 75 70 45 45 65 90 90 75 90 90 80 80 85 85 80 70 65
Temperature 24 23 28 30 26 26 28 28 23 23 25 26 22 24 26 23 27
Max/Min Temp 31 20 29 20
Wind Dir NW NW W SW SW SW SW W NW NW NW NW W SW W W W
Wind (mph) 16 10 6 6 5 8 9 12 16 13 10 5 5 10 13 16 17
Wind Gust (mph) 41 33 41 35 32 39 42
Precip Prob (%) 50 30 0 0 5 30 80 40 70 70 30 30 30 30 5 5 5
Precip Type S S S S S S S S S S S
6 Hour QPF 0.06 0.00 0.09 0.11 0.16 0.04 0.03 0.00
12 Hour QPF 0.06 0.20 0.20 0.03
Low End QPF 0.00 0.09 0.01 0.00
High End QPF 0.07 0.34 0.21 0.03
6 Hour Snow 0.4 0.1 0.9 1.2 1.4 0.4 0.2 0.0
12 Hour Snow 0.5 2.1 1.8 0.2
Low End Snow 0.0 1.0 0.1 0.0
High End Snow 1.0 4.1 2.8 0.4
Snow Level (kft) 2.6 2.3 2.7 3.2 3.2 3.4 3.8 4.0 2.8 1.9 1.6 1.3 1.5 2.0 2.6 2.8 2.9
Snow Density (%) 7 7 7 7 9 9 10 10 7 7 7 7 7 7 9 9 9
...Bears Paw Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 70 65 65 60 70 90 95 95 85 85 75 80 75 85 85 75 60
Temperature 23 22 25 27 23 21 22 20 16 16 18 18 13 13 15 14 19
Max/Min Temp 27 13 20 11
Wind Dir NW NW NW SW S SE SE SE NW NW NW NW SE S S SW W
Wind (mph) 13 9 5 5 5 8 8 9 9 8 6 6 5 6 6 9 11
Wind Gust (mph) 33
Precip Prob (%) 50 30 10 0 0 10 70 80 70 70 20 20 50 50 30 30 5
Precip Type S S S S S S S S S S S S S
6 Hour QPF 0.04 0.00 0.03 0.20 0.05 0.01 0.04 0.02
12 Hour QPF 0.04 0.23 0.06 0.06
Low End QPF 0.00 0.10 0.01 0.00
High End QPF 0.04 0.30 0.11 0.07
6 Hour Snow 0.2 0.0 0.5 2.7 1.0 0.3 0.5 0.2
12 Hour Snow 0.2 3.2 1.3 0.7
Low End Snow 0.0 1.4 0.1 0.0
High End Snow 0.6 4.1 1.6 0.9
Snow Level (kft) 1.9 1.4 1.3 1.7 1.5 1.4 1.5 1.5 0.8 0.4 0.3 0.3 0.3 0.3 0.6 0.9 1.3
Snow Density (%) 6 6 6 6 7 7 7 7 6 6 6 6 7 7 7 7 9
...Castle/Crazy Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 70 65 65 70 95 90 90 85 85 75 80 80 80 75 75 75
Temperature 22 21 25 28 25 27 29 28 26 27 28 29 27 27 26 24 25
Max/Min Temp 29 25 29 23
Wind Dir W W W W SW SW W W W W W W W W W W W
Wind (mph) 11 10 11 13 11 14 19 25 27 25 20 17 14 19 21 21 19
Wind Gust (mph) 29 33 35 50 63 71 62 47 39 37 48 56 58 57
Precip Prob (%) 30 20 5 5 30 80 60 60 70 70 40 40 30 30 5 5 5
Precip Type S S S S S S S S S S S S
6 Hour QPF 0.01 0.01 0.20 0.12 0.09 0.06 0.03 0.00
12 Hour QPF 0.02 0.32 0.15 0.03
Low End QPF 0.00 0.05 0.02 0.00
High End QPF 0.08 0.39 0.17 0.05
6 Hour Snow 0.2 0.2 2.7 1.1 0.9 0.7 0.2 0.0
12 Hour Snow 0.4 3.8 1.6 0.2
Low End Snow 0.0 0.7 0.2 0.0
High End Snow 1.2 4.6 2.5 0.6
Snow Level (kft) 3.3 2.9 3.4 4.1 4.2 4.6 5.1 4.8 4.2 3.6 3.7 3.8 3.8 3.7 3.5 3.3 3.1
Snow Density (%) 6 6 7 7 8 8 9 9 7 7 7 7 7 7 7 7 7
...Bridger Range...
Date Friday 12/05/25 Saturday 12/06/25
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 BK BK OV OV OV OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 85 80 60 55 80 95 95 85 90 85 80 80 85 85 75 75 70
Temperature 24 22 26 29 26 27 29 28 27 27 28 28 27 27 25 23 24
Max/Min Temp 30 26 29 22
Wind Dir W W W W SW SW W W W W W W W W SW SW SW
Wind (mph) 8 6 8 9 8 12 14 18 19 18 13 11 10 13 14 14 13
Wind Gust (mph) 31 37 47 49 44 33 35 36 36 34
Precip Prob (%) 60 40 0 5 50 70 70 70 70 70 40 40 30 30 10 10 10
Precip Type S S S S S S S S S S S S S S
6 Hour QPF 0.03 0.02 0.25 0.10 0.11 0.10 0.06 0.01
12 Hour QPF 0.05 0.35 0.21 0.07
Low End QPF 0.01 0.08 0.04 0.00
High End QPF 0.15 0.44 0.24 0.07
6 Hour Snow 0.6 0.4 2.9 1.0 1.1 0.8 0.2 0.0
12 Hour Snow 1.0 3.9 1.9 0.2
Low End Snow 0.1 1.1 0.5 0.0
High End Snow 2.1 4.9 3.2 1.0
Snow Level (kft) 3.7 3.4 3.9 4.3 4.5 4.9 5.2 4.8 4.2 3.7 3.8 4.1 4.0 3.8 3.5 3.3 3.1
Snow Density (%) 7 7 7 7 9 9 10 10 7 7 7 7 7 7 7 7 7
...Madison Range/Spanish Peaks...
Date Friday 12/05/25 Saturday 12/06/25
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 SC OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 90 80 50 70 90 95 90 80 85 85 85 80 80 80 70 70 75
Temperature 19 18 22 25 23 24 26 24 21 22 23 24 22 21 19 17 18
Max/Min Temp 26 21 25 16
Wind Dir W W W SW SW SW W W W W W W W SW SW SW SW
Wind (mph) 5 6 8 11 13 18 17 19 18 14 13 12 10 11 10 10 10
Wind Gust (mph) 32 42 44 49 48 40 32 29 28 28 28
Precip Prob (%) 80 40 0 20 80 70 60 40 70 70 60 60 30 30 10 10 10
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.05 0.06 0.24 0.06 0.06 0.06 0.02 0.00
12 Hour QPF 0.11 0.30 0.12 0.02
Low End QPF 0.03 0.04 0.01 0.00
High End QPF 0.21 0.36 0.17 0.05
6 Hour Snow 0.9 1.4 3.2 0.8 0.7 0.5 0.2 0.0
12 Hour Snow 2.3 4.0 1.2 0.2
Low End Snow 0.5 0.6 0.2 0.0
High End Snow 3.2 4.8 2.4 0.8
Snow Level (kft) 4.1 3.9 4.4 4.8 4.9 5.5 5.9 5.1 4.5 4.1 4.2 4.6 4.3 4.1 3.7 3.5 3.3
Snow Density (%) 6 6 7 7 7 7 7 7 6 6 6 6 6 6 6 6 6
...Gallatin Range/Hyalite Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 SC BK OV OV OV OV OV OV OV OV OV OV OV OV BK
Cloud Cover (%) 95 85 50 65 90 95 95 85 90 90 85 85 85 85 75 75 70
Temperature 20 19 23 27 24 25 27 25 23 23 24 25 23 23 20 19 19
Max/Min Temp 28 22 27 17
Wind Dir W W W SW SW SW W W W W W W W SW SW SW SW
Wind (mph) 6 6 8 10 12 17 17 18 17 16 13 12 11 12 12 11 11
Wind Gust (mph) 37 40 43 42 39 34 29
Precip Prob (%) 90 50 0 10 80 50 70 50 80 80 70 70 30 30 20 20 10
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.08 0.03 0.16 0.04 0.04 0.05 0.02 0.00
12 Hour QPF 0.11 0.20 0.09 0.02
Low End QPF 0.03 0.04 0.02 0.00
High End QPF 0.22 0.31 0.14 0.05
6 Hour Snow 1.4 0.6 2.4 0.4 0.7 0.6 0.2 0.0
12 Hour Snow 2.0 2.8 1.3 0.2
Low End Snow 0.5 0.6 0.3 0.0
High End Snow 3.4 4.1 2.0 0.8
Snow Level (kft) 4.1 3.9 4.4 4.8 4.9 5.4 5.9 5.1 4.5 4.1 4.2 4.5 4.3 4.0 3.7 3.5 3.3
Snow Density (%) 6 6 7 7 8 8 7 7 7 7 7 7 7 7 6 6 6
...Lionhead Range...
Date Friday 12/05/25 Saturday 12/06/25
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 BK OV OV OV OV BK OV OV OV OV OV OV BK BK OV
Cloud Cover (%) 95 80 65 80 95 95 85 65 85 85 90 90 75 80 60 65 80
Temperature 17 17 23 25 23 24 26 24 20 20 26 27 24 22 19 15 16
Max/Min Temp 26 18 28 14
Wind Dir SW SW SW SW SW SW SW W W SW SW W SW SW SW SW SW
Wind (mph) 5 4 5 10 12 18 19 17 16 12 11 11 10 10 9 8 8
Wind Gust (mph) 35 37 37 34 29
Precip Prob (%) 70 40 5 40 90 60 80 30 80 80 90 90 60 60 40 40 40
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.09 0.21 0.04 0.02 0.03 0.01 0.01
12 Hour QPF 0.11 0.25 0.05 0.02
Low End QPF 0.03 0.02 0.02 0.00
High End QPF 0.18 0.29 0.12 0.05
6 Hour Snow 0.3 1.7 2.6 0.4 0.3 0.6 0.2 0.2
12 Hour Snow 2.0 3.0 0.9 0.4
Low End Snow 0.4 0.3 0.2 0.1
High End Snow 2.8 3.6 1.8 0.8
Snow Level (kft) 3.5 3.3 3.9 4.2 4.2 4.8 5.3 5.2 4.4 3.9 4.3 4.7 4.4 4.0 3.6 3.4 3.3
Snow Density (%) 6 6 7 7 7 7 8 8 7 7 7 7 7 7 6 6 6
...Tobacco Root Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 SC OV OV OV OV BK OV BK BK OV OV OV BK BK OV
Cloud Cover (%) 85 65 50 80 90 85 85 65 70 70 70 70 70 70 65 60 75
Temperature 21 20 24 27 26 27 28 26 23 24 25 26 23 23 21 20 21
Max/Min Temp 28 23 27 19
Wind Dir W W W W SW SW W W W SW W W W SW SW SW SW
Wind (mph) 9 9 10 12 13 20 21 23 21 18 16 14 12 16 17 16 14
Wind Gust (mph) 42 50 54 50 42 34 33 35 35 32
Precip Prob (%) 40 10 0 10 80 40 50 30 50 50 40 40 20 20 10 10 5
Precip Type S S S S S S S S S S S
6 Hour QPF 0.02 0.08 0.23 0.04 0.02 0.02 0.01 0.00
12 Hour QPF 0.10 0.27 0.04 0.01
Low End QPF 0.01 0.01 0.00 0.00
High End QPF 0.20 0.35 0.08 0.03
6 Hour Snow 0.3 1.5 3.0 0.4 0.3 0.2 0.0 0.0
12 Hour Snow 1.8 3.4 0.5 0.0
Low End Snow 0.1 0.1 0.0 0.0
High End Snow 2.8 4.2 1.2 0.4
Snow Level (kft) 4.1 3.9 4.4 4.9 5.2 5.8 5.8 4.8 4.3 4.0 4.2 4.5 4.2 4.0 3.6 3.4 3.3
Snow Density (%) 7 7 7 7 9 9 8 8 7 7 7 7 7 7 6 6 7
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Friday 12/05/25 Saturday 12/06/25
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 SC OV OV OV OV BK OV OV OV OV OV BK BK BK BK
Cloud Cover (%) 85 65 45 85 95 95 90 70 70 70 70 70 70 65 55 60 65
Temperature 21 19 25 28 25 26 28 26 23 24 26 27 23 22 19 18 18
Max/Min Temp 29 22 28 17
Wind Dir W W W SW S SW W W W W W W W W SW SW SW
Wind (mph) 8 8 9 12 13 17 18 20 20 18 17 14 11 11 11 11 9
Wind Gust (mph) 36 40 44 44 40 34
Precip Prob (%) 50 10 0 20 80 50 30 20 40 40 20 20 5 5 5 5 5
Precip Type S S S S S S S S S S
6 Hour QPF 0.02 0.06 0.12 0.03 0.01 0.01 0.00 0.00
12 Hour QPF 0.08 0.15 0.02 0.00
Low End QPF 0.01 0.01 0.00 0.00
High End QPF 0.14 0.19 0.06 0.02
6 Hour Snow 0.3 1.1 1.5 0.5 0.2 0.1 0.0 0.0
12 Hour Snow 1.4 2.0 0.3 0.0
Low End Snow 0.2 0.2 0.0 0.0
High End Snow 2.0 2.4 0.9 0.3
Snow Level (kft) 4.3 4.1 4.6 5.0 5.0 5.8 6.0 5.1 4.5 4.1 4.3 4.6 4.3 4.0 3.7 3.5 3.3
Snow Density (%) 7 7 7 7 9 9 8 8 7 7 7 7 7 7 6 6 7
...Centennial Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 SC OV OV OV OV BK BK BK OV OV OV BK BK BK BK
Cloud Cover (%) 75 65 40 80 95 95 80 55 70 70 70 75 70 65 50 55 65
Temperature 18 16 23 25 21 24 26 24 21 21 25 26 22 21 17 15 16
Max/Min Temp 27 20 27 14
Wind Dir W W W SW S SW W W W W W W W W W W SW
Wind (mph) 5 5 6 11 12 14 13 17 19 18 17 13 10 10 10 8 6
Wind Gust (mph) 32 34
Precip Prob (%) 60 40 0 40 80 40 50 30 50 50 60 60 30 30 20 20 20
Precip Type S S S S S S S S S S S S S S S S
6 Hour QPF 0.01 0.07 0.12 0.02 0.00 0.00 0.00 0.00
12 Hour QPF 0.08 0.14 0.00 0.00
Low End QPF 0.02 0.00 0.00 0.00
High End QPF 0.14 0.20 0.06 0.03
6 Hour Snow 0.1 1.3 1.6 0.4 0.1 0.2 0.1 0.0
12 Hour Snow 1.4 2.0 0.3 0.1
Low End Snow 0.3 0.1 0.0 0.0
High End Snow 2.0 2.4 0.7 0.3
Snow Level (kft) 4.0 3.8 4.3 4.4 4.4 5.2 5.9 5.2 4.5 3.9 4.3 4.6 4.3 4.0 3.6 3.3 3.2
Snow Density (%) 7 7 7 7 8 8 8 8 7 7 7 7 7 7 6 6 6
...Anaconda/Highland Ranges...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 65 70 85 95 95 80 75 85 85 75 80 75 75 75 75 80
Temperature 23 22 26 29 28 29 30 27 25 25 27 27 24 23 22 21 22
Max/Min Temp 30 25 28 20
Wind Dir W W W SW SW W W W W W W W W W W SW SW
Wind (mph) 5 5 6 9 9 14 20 21 20 18 13 13 11 12 12 11 9
Wind Gust (mph) 37 44 44 46 40 33 32 29 33 31 28
Precip Prob (%) 50 30 10 70 100 80 50 80 100 100 80 80 60 60 40 40 30
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.03 0.17 0.29 0.14 0.11 0.05 0.03 0.01
12 Hour QPF 0.20 0.43 0.16 0.04
Low End QPF 0.04 0.07 0.03 0.00
High End QPF 0.34 0.52 0.17 0.08
6 Hour Snow 0.5 2.5 3.4 1.5 1.0 0.5 0.5 0.3
12 Hour Snow 3.0 4.9 1.5 0.8
Low End Snow 0.4 1.2 0.4 0.1
High End Snow 4.4 6.0 2.6 1.2
Snow Level (kft) 4.1 4.0 4.6 5.1 5.5 6.0 5.6 4.8 4.3 4.1 4.3 4.5 4.2 3.9 3.7 3.6 3.5
Snow Density (%) 7 7 8 8 10 10 8 8 7 7 7 7 7 7 6 6 7
...Pioneer Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 75 65 65 80 95 90 80 85 85 85 75 70 70 75 70 75 80
Temperature 22 21 25 28 27 29 29 26 24 24 25 26 23 22 21 20 21
Max/Min Temp 29 23 26 19
Wind Dir W W W W SW W W W W W W W W W W W W
Wind (mph) 9 9 10 11 11 17 23 24 23 21 18 17 13 16 14 13 12
Wind Gust (mph) 27 26 46 57 62 59 57 47 40 36 43 42 41 36
Precip Prob (%) 40 20 5 50 90 70 40 60 70 70 40 40 30 30 20 20 5
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.12 0.28 0.11 0.09 0.03 0.02 0.00
12 Hour QPF 0.14 0.39 0.12 0.02
Low End QPF 0.02 0.04 0.01 0.00
High End QPF 0.25 0.42 0.13 0.05
6 Hour Snow 0.3 2.0 3.0 1.2 0.7 0.3 0.2 0.1
12 Hour Snow 2.3 4.2 1.0 0.3
Low End Snow 0.2 0.6 0.1 0.0
High End Snow 3.5 5.1 2.0 0.7
Snow Level (kft) 4.3 4.1 4.8 5.3 5.8 6.2 5.7 4.9 4.4 4.2 4.3 4.5 4.3 3.9 3.8 3.6 3.5
Snow Density (%) 7 7 7 7 9 9 7 7 6 6 6 6 6 6 6 6 6
...Beaverhead/Tendoy Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV BK BK BK BK BK BK OV
Cloud Cover (%) 75 65 55 80 90 90 80 70 75 75 70 65 65 65 60 65 70
Temperature 22 21 26 28 27 28 28 26 23 24 25 26 22 21 19 18 19
Max/Min Temp 29 22 27 16
Wind Dir W W W SW SW W W W W W W W W W SW W SW
Wind (mph) 8 8 8 10 11 16 20 21 21 20 18 14 11 11 12 11 9
Wind Gust (mph) 39 49 52 50 46 36
Precip Prob (%) 30 20 5 50 80 50 40 30 50 50 30 30 20 20 10 10 5
Precip Type S S S S S S S S S S S S S S S S S
6 Hour QPF 0.02 0.13 0.19 0.07 0.07 0.03 0.02 0.00
12 Hour QPF 0.15 0.26 0.10 0.02
Low End QPF 0.02 0.02 0.01 0.00
High End QPF 0.23 0.33 0.11 0.03
6 Hour Snow 0.3 1.9 2.1 1.0 0.6 0.2 0.1 0.1
12 Hour Snow 2.2 3.1 0.8 0.2
Low End Snow 0.2 0.4 0.1 0.0
High End Snow 3.1 4.0 1.7 0.4
Snow Level (kft) 4.5 4.4 5.0 5.5 5.9 6.4 6.1 5.1 4.6 4.2 4.3 4.6 4.3 4.1 3.8 3.7 3.5
Snow Density (%) 7 7 8 8 9 9 8 8 6 6 6 6 6 6 6 6 7
...Absoraka-Beartooth/Cooke City Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 90 80 70 80 90 95 95 85 95 95 85 85 85 85 80 75 75
Temperature 15 14 18 21 19 19 22 21 19 19 20 21 18 18 16 15 16
Max/Min Temp 22 18 22 14
Wind Dir W W W W SW SW W W W W W W W W W W W
Wind (mph) 5 6 9 12 13 16 17 18 19 17 14 14 12 13 13 12 11
Wind Gust (mph) 31 39 42 44 47 44 37 31 32 33 33
Precip Prob (%) 80 60 5 10 70 90 90 40 90 90 80 80 60 60 40 40 30
Precip Type
6 Hour QPF 0.03 0.04 0.33 0.17 0.20 0.10 0.07 0.04
12 Hour QPF 0.07 0.50 0.30 0.11
Low End QPF 0.02 0.14 0.06 0.02
High End QPF 0.17 0.55 0.30 0.13
6 Hour Snow 0.6 1.1 4.5 2.1 2.1 1.4 0.8 0.5
12 Hour Snow 1.7 6.6 3.5 1.3
Low End Snow 0.4 2.3 1.0 0.4
High End Snow 2.9 8.1 4.7 2.2
Snow Level (kft) 3.7 3.6 4.0 4.5 4.5 4.8 5.5 5.3 4.7 4.1 4.3 4.5 4.3 4.1 3.8 3.6 3.4
Snow Density (%) 6 6 6 6 6 6 7 7 6 6 6 6 6 6 6 6 6
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Friday 12/05/25 Saturday 12/06/25
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 SC BK OV OV OV OV OV OV OV OV OV OV BK BK BK
Cloud Cover (%) 90 75 40 60 80 90 90 75 90 90 80 80 75 75 65 60 60
Temperature 19 18 23 26 22 23 26 25 22 23 24 25 21 22 21 20 20
Max/Min Temp 27 21 26 19
Wind Dir W W W W SW SW W W W W W W W W W W W
Wind (mph) 10 10 11 13 16 21 20 23 25 23 19 14 13 17 18 18 18
Wind Gust (mph) 33 40 52 56 59 63 62 51 36 32 40 43 46 46
Precip Prob (%) 70 30 0 5 40 80 80 60 80 80 70 70 50 50 30 30 20
Precip Type
6 Hour QPF 0.03 0.01 0.16 0.13 0.09 0.04 0.02 0.01
12 Hour QPF 0.04 0.29 0.13 0.03
Low End QPF 0.01 0.07 0.02 0.00
High End QPF 0.13 0.38 0.16 0.06
6 Hour Snow 0.6 0.3 2.1 1.5 1.0 0.6 0.3 0.2
12 Hour Snow 0.9 3.6 1.6 0.5
Low End Snow 0.1 1.0 0.3 0.1
High End Snow 2.0 5.3 2.4 0.8
Snow Level (kft) 3.9 3.6 4.0 4.3 4.4 4.8 5.6 5.0 4.6 3.9 4.0 4.2 4.1 3.9 3.7 3.6 3.4
Snow Density (%) 6 6 7 7 7 7 8 8 7 7 7 7 7 7 6 6 6
...Absoraka Mountains Above 6000ft West Facing...
Date Friday 12/05/25 Saturday 12/06/25
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 BK OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Cloud Cover (%) 90 80 55 75 90 95 90 80 90 90 85 85 80 80 70 75 75
Temperature 18 17 23 26 23 23 25 24 21 22 24 25 23 22 19 17 18
Max/Min Temp 27 20 26 16
Wind Dir W W W SW SW SW W W W W W W W W W SW SW
Wind (mph) 5 6 8 11 12 17 17 18 18 16 13 13 11 12 11 11 10
Wind Gust (mph) 26 24 33 39 52 58 59 58 52 42 36 37 43 43 44 41
Precip Prob (%) 70 40 0 10 80 70 80 40 80 80 70 70 40 40 20 20 20
Precip Type S S S S S S S S S S S S S S S
6 Hour QPF 0.04 0.04 0.22 0.07 0.07 0.06 0.03 0.01
12 Hour QPF 0.08 0.29 0.13 0.04
Low End QPF 0.02 0.06 0.03 0.01
High End QPF 0.17 0.36 0.17 0.07
6 Hour Snow 0.7 0.9 3.0 0.8 0.8 0.7 0.3 0.1
12 Hour Snow 1.6 3.8 1.5 0.4
Low End Snow 0.4 1.0 0.5 0.1
High End Snow 2.7 5.1 2.6 1.2
Snow Level (kft) 3.8 3.6 4.2 4.6 4.6 5.0 5.7 5.2 4.6 4.1 4.3 4.6 4.3 4.0 3.7 3.5 3.3
Snow Density (%) 6 6 7 7 7 7 7 7 7 7 6 6 6 6 6 6 6
...Crazy Mountains...
Date Friday 12/05/25 Saturday 12/06/25
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 OV OV OV OV OV OV OV OV OV OV OV OV BK BK
Cloud Cover (%) 70 65 55 70 75 95 85 85 85 85 75 75 75 75 70 70 70
Temperature 21 20 24 28 24 26 28 27 25 26 27 27 26 26 25 24 25
Max/Min Temp 29 24 28 23
Wind Dir W W W W W SW W W W W W W W W W W W
Wind (mph) 16 13 12 14 12 17 23 29 34 29 23 18 16 21 25 26 25
Wind Gust (mph) 34 33 37 54 72 82 67 48 39 37 51 61 66 65
Precip Prob (%) 40 30 5 5 30 80 60 70 70 70 50 50 40 40 10 10 10
Precip Type S S S S S S S S S S S S
6 Hour QPF 0.02 0.02 0.25 0.23 0.22 0.14 0.07 0.01
12 Hour QPF 0.04 0.48 0.36 0.08
Low End QPF 0.00 0.06 0.03 0.00
High End QPF 0.08 0.54 0.37 0.08
6 Hour Snow 0.4 0.4 3.2 2.6 1.6 1.2 0.5 0.1
12 Hour Snow 0.8 5.8 2.8 0.6
Low End Snow 0.0 0.8 0.4 0.0
High End Snow 1.2 6.6 5.4 1.2
Snow Level (kft) 3.5 3.1 3.6 4.1 4.3 4.7 5.2 4.9 4.4 3.8 3.7 3.9 3.9 3.8 3.6 3.4 3.2
Snow Density (%) 6 6 7 7 8 8 8 8 7 7 7 7 7 7 7 7 7
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain