Avalanche Weather Guidance
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
204
FWUS45 KTFX 082201
AVGTFX
Avalanche Weather Guidance
National Weather Service Great Falls MT
400 PM MDT Tue Sep 8 2026
...Glacier National Park/Marias Pass...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC SC SC SC SC SC FW SC BK OV OV BK SC SC FW SC BK
Cloud Cover (%) 40 45 35 40 40 35 15 25 55 75 85 60 40 25 20 30 70
Temperature 46 43 42 42 42 43 50 55 53 50 50 50 49 50 55 58 55
Min/Max Temp 41 55 48 58
Wind Dir W W SW SW SW SW W W SW SW SW SW SW SW SW W W
Wind (mph) 16 18 18 17 18 18 21 21 24 28 28 28 27 21 24 24 19
Wind Gust (mph) 39 39 40 42 39 43 43 55 64 67 65 65 56 54 48 41
Precip Prob (%) 10 10 5 5 0 0 5 5 0 0 0 0 0 0 0 0 50
Precip Type R R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.00 0.00 0.07
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) 9.3 9.4 9.4 9.3 9.1 9.1 9.3 9.9 11.2 11.4 10.9 11.2 11.4 10.8 10.6 10.4 10.3
Snow Density (%) 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bob Marshall/Scapegoat Wilderness...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW FW FW FW FW CL FW SC BK BK OV BK SC FW FW SC
Cloud Cover (%) 40 15 10 15 15 15 0 15 40 55 65 75 70 25 20 20 40
Temperature 47 42 40 39 38 42 54 58 57 50 48 47 47 50 60 63 60
Min/Max Temp 37 59 46 63
Wind Dir W W W W W W W W W W W W W SW SW W W
Wind (mph) 11 10 10 10 11 11 14 16 14 17 18 19 18 16 19 19 17
Wind Gust (mph) 31 35 33 33 36 39 41 40 47 52 57 59 58 48 44 44 42
Precip Prob (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20
Precip Type R
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.02
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) 9.1 9.0 9.0 9.0 8.9 8.8 9.1 9.5 10.2 10.3 10.1 10.4 10.6 10.2 10.2 10.4 10.6
Snow Density (%) 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Nevada Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW CL FW FW CL CL FW SC SC SC BK BK FW FW FW SC
Cloud Cover (%) 30 5 5 10 5 5 0 15 25 30 25 60 70 25 10 20 30
Temperature 51 45 43 42 41 43 55 60 60 53 52 50 49 51 63 68 65
Min/Max Temp 40 62 48 68
Wind Dir W W W W W W W W W SW SW SW SW SW SW W W
Wind (mph) 11 9 10 10 10 10 13 14 12 13 16 16 14 12 17 17 14
Wind Gust (mph) 29 33 36 40 41 35 36 36 34
Precip Prob (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.1 9.1 8.9 8.9 8.7 8.6 8.9 9.3 9.7 9.7 9.6 9.7 9.8 9.7 9.8 10.5 10.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Elkhorn/Boulder Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL FW SC FW FW FW FW CL CL FW FW
Cloud Cover (%) 15 10 10 10 5 5 0 10 25 25 25 25 20 5 0 10 15
Temperature 52 44 40 39 37 43 57 63 62 51 48 47 45 50 65 69 67
Min/Max Temp 37 64 44 69
Wind Dir NW NW W W W W W W W W SW SW SW SW SW W W
Wind (mph) 11 8 6 6 8 6 10 11 9 9 12 12 12 11 13 14 13
Wind Gust (mph) 28 35 32
Precip Prob (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.4 9.3 9.1 8.9 8.7 8.6 9.1 10.0 10.3 9.7 9.5 9.5 9.5 9.1 9.9 10.8 11.0
Snow Density (%) 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Big Belt Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW FW FW CL FW CL FW FW SC SC SC SC FW FW FW FW
Cloud Cover (%) 35 10 5 10 5 5 5 5 25 35 35 30 30 10 5 10 25
Temperature 53 47 45 43 42 46 57 64 63 55 52 51 49 52 65 71 69
Min/Max Temp 41 64 49 71
Wind Dir W W W SW SW SW SW W W SW SW SW SW SW SW SW W
Wind (mph) 11 8 6 8 9 10 12 13 10 9 13 14 13 12 16 17 14
Wind Gust (mph) 29 28 29 28 34 41 43 42 40 40 39 32
Precip Prob (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.1 9.1 9.0 8.9 8.8 8.7 8.9 9.5 9.9 9.8 9.7 9.8 9.8 9.7 9.9 10.5 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Little Belt Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK FW FW FW FW CL FW CL FW SC SC SC SC FW FW CL FW
Cloud Cover (%) 60 15 10 10 10 5 10 5 20 35 30 45 35 10 5 5 15
Temperature 51 45 43 41 41 46 57 64 62 53 51 51 51 55 66 71 69
Min/Max Temp 40 64 49 71
Wind Dir W W W SW SW SW W W W SW SW SW SW SW W W W
Wind (mph) 14 10 9 9 10 11 16 16 13 13 14 16 17 16 19 18 14
Wind Gust (mph) 36 29 29 34 36 34 36 41 44 44 39 40 37 34
Precip Prob (%) 20 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.0 9.0 8.7 8.7 8.8 8.8 9.0 9.6 9.8 9.8 9.8 9.8 10.1 10.2 10.1 10.5 10.9
Snow Density (%) 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Highwood Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV FW FW FW FW CL CL CL SC SC SC SC SC FW FW FW SC
Cloud Cover (%) 75 10 10 10 15 5 5 5 30 40 30 40 45 10 5 10 30
Temperature 49 48 47 46 46 51 58 64 64 57 56 58 59 62 68 71 69
Min/Max Temp 45 65 56 71
Wind Dir W W W W SW W W W W SW SW SW SW SW W W W
Wind (mph) 16 13 14 12 12 13 18 18 14 17 19 25 26 24 26 25 20
Wind Gust (mph) 39 49 50 43
Precip Prob (%) 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.0 8.9 9.0 8.8 8.9 9.0 9.0 9.4 9.9 10.2 10.5 10.1 10.4 10.7 10.7 10.4 10.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowy/Judith Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK SC FW FW FW FW FW CL FW SC SC SC SC FW CL CL FW
Cloud Cover (%) 55 40 10 15 15 15 5 5 15 30 30 30 40 10 5 0 5
Temperature 55 48 47 45 44 50 61 67 66 54 52 52 53 61 73 76 74
Min/Max Temp 42 68 50 76
Wind Dir NW W W W W W W W W SW SW SW SW SW W W W
Wind (mph) 18 13 10 8 8 6 11 12 8 8 10 12 12 11 14 13 10
Wind Gust (mph) 39 36 32 27 31 28 25 27 33 35 29 33 34 31
Precip Prob (%) 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.0 9.0 8.8 8.8 8.7 8.8 9.1 9.8 10.0 9.7 9.7 9.8 10.0 10.3 10.3 10.6 10.8
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bears Paw Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover OV SC FW FW SC CL CL CL SC SC SC SC OV FW FW FW SC
Cloud Cover (%) 85 35 10 15 40 5 5 5 45 40 40 35 75 15 10 20 40
Temperature 49 45 45 44 43 50 59 63 62 52 51 50 50 58 68 71 68
Min/Max Temp 41 64 48 71
Wind Dir W W W W W W W W W SW SW SW SW W W W W
Wind (mph) 13 13 11 9 9 10 12 13 8 6 8 11 13 13 17 16 11
Wind Gust (mph) 31 28
Precip Prob (%) 40 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
Precip Type R R
6 Hour QPF 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.01 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.05 0.00 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) 9.0 8.9 9.0 9.1 9.1 9.1 9.0 9.1 9.6 10.4 10.8 10.6 10.4 11.1 11.2 11.1 10.7
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Castle/Crazy Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW FW FW FW CL FW CL FW SC SC SC SC CL CL CL FW
Cloud Cover (%) 30 10 10 15 10 5 5 5 15 25 30 40 30 5 0 5 10
Temperature 53 47 44 42 40 45 58 64 63 53 50 49 48 52 66 71 69
Min/Max Temp 40 65 47 71
Wind Dir W W W SW SW SW W W W SW SW SW SW SW SW W W
Wind (mph) 20 11 9 9 10 11 19 19 14 10 13 16 16 14 21 20 20
Wind Gust (mph) 46 33 27 26 27 32 43 43 41 28 37 44 47 43 48 46 44
Precip Prob (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.1 9.1 9.0 8.8 8.7 8.7 9.0 9.6 10.1 10.1 9.5 9.6 9.6 9.6 9.8 10.4 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Bridger Range...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW FW FW FW CL CL FW FW FW SC SC SC CL CL CL FW
Cloud Cover (%) 30 15 10 15 10 5 0 5 15 20 35 40 25 0 0 0 10
Temperature 54 46 43 41 40 45 58 65 64 53 50 48 46 51 66 71 70
Min/Max Temp 39 66 46 71
Wind Dir NW NW W SW SW SW W W W SW SW SW SW SW SW W W
Wind (mph) 13 5 4 4 5 5 11 12 9 4 8 8 8 8 12 16 17
Wind Gust (mph) 32 28 36 36
Precip Prob (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.3 9.3 9.3 9.0 8.9 8.8 8.9 9.7 10.4 10.3 9.8 9.8 9.6 9.4 9.7 10.5 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Madison Range/Spanish Peaks...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL CL FW FW FW FW FW CL CL CL FW
Cloud Cover (%) 10 10 10 15 10 5 5 5 10 20 25 20 20 0 0 0 5
Temperature 51 43 40 38 37 42 55 62 60 49 45 43 41 46 60 65 63
Min/Max Temp 36 63 40 65
Wind Dir W NW W SW SW SW SW W W SW S S S S SW SW SW
Wind (mph) 12 4 4 4 5 6 9 11 9 9 10 11 12 12 12 16 16
Wind Gust (mph) 29 29 27 29 32 34 35 32 36 37
Precip Prob (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.5 9.4 9.3 9.3 9.1 9.2 9.8 10.5 10.7 10.7 10.6 10.5 10.0 9.4 9.9 10.7 11.0
Snow Density (%) 100 100 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Gallatin Range/Hyalite Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW FW CL FW FW FW SC SC FW CL CL CL CL
Cloud Cover (%) 20 10 10 10 10 5 5 5 10 15 35 30 25 5 0 5 5
Temperature 52 44 41 39 37 43 57 64 62 51 47 44 43 47 63 68 66
Min/Max Temp 37 65 42 68
Wind Dir W W W SW SW SW W W W SW SW S S S SW SW SW
Wind (mph) 12 5 5 5 6 6 9 12 10 11 11 12 12 11 11 14 14
Wind Gust (mph) 32 33
Precip Prob (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.5 9.4 9.3 9.2 9.0 9.1 9.7 10.3 10.6 10.5 10.5 10.4 10.0 9.5 10.1 10.7 11.1
Snow Density (%) 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0
...Lionhead Range...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL CL FW FW FW FW FW CL CL CL CL
Cloud Cover (%) 20 10 10 10 10 5 5 5 10 15 25 15 25 5 0 0 0
Temperature 56 45 41 37 34 42 58 64 62 48 44 41 37 44 61 66 64
Min/Max Temp 33 64 36 66
Wind Dir W NW NE E S SW SW SW SW S S S S S SW SW SW
Wind (mph) 9 2 1 1 1 2 8 10 8 4 4 4 4 5 12 13 11
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.8 9.5 9.5 9.4 9.3 9.4 9.8 10.5 10.9 10.8 10.6 10.6 10.3 9.5 9.6 10.2 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Tobacco Root Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL FW FW FW FW FW FW CL CL CL CL
Cloud Cover (%) 15 15 10 15 5 5 5 5 15 20 20 25 20 0 0 5 5
Temperature 51 44 41 39 38 43 55 62 61 52 48 46 44 48 62 67 65
Min/Max Temp 37 63 44 67
Wind Dir W NW W W W SW W W W SW SW SW SW SW SW SW W
Wind (mph) 11 4 4 6 8 10 11 12 10 10 12 14 14 14 14 20 19
Wind Gust (mph) 32 40 40
Precip Prob (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.4 9.4 9.3 9.2 8.9 8.9 9.4 10.1 10.6 10.4 10.3 10.0 9.5 8.9 9.8 10.7 11.0
Snow Density (%) 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0
...Snowcrest/Gravelly/Ruby/Blacktail Ranges...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL CL FW FW FW FW FW CL CL CL FW
Cloud Cover (%) 5 10 10 10 10 5 5 5 10 20 20 20 15 0 0 5 10
Temperature 55 45 42 40 38 43 58 66 64 51 47 45 42 46 63 69 66
Min/Max Temp 37 66 41 69
Wind Dir NW NW NW W SW SW SW W W S S S S S SW SW SW
Wind (mph) 13 6 4 4 4 5 8 12 10 8 9 10 10 11 12 17 18
Wind Gust (mph) 27 36
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.5 9.6 9.5 9.5 9.3 9.3 9.8 10.5 10.8 10.8 10.6 10.3 9.7 8.9 9.8 10.9 11.1
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Centennial Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL CL FW FW FW FW FW CL CL CL FW
Cloud Cover (%) 10 10 10 10 10 5 5 5 10 15 20 15 20 0 0 0 5
Temperature 55 47 43 40 38 42 56 63 61 50 46 43 40 44 59 64 63
Min/Max Temp 37 63 39 64
Wind Dir W NW N NW W S SW SW SW S SE SE SE SE S SW SW
Wind (mph) 12 5 5 3 3 4 8 10 9 4 4 5 5 6 10 14 13
Wind Gust (mph)
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.6 9.5 9.6 9.6 9.5 9.4 9.8 10.6 11.0 10.9 10.7 10.6 10.0 9.2 9.7 10.4 10.9
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Anaconda/Highland Ranges...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW CL CL CL FW FW SC SC FW FW CL CL FW FW
Cloud Cover (%) 10 10 10 5 5 0 0 10 15 30 30 15 15 0 0 5 10
Temperature 52 43 39 37 36 41 56 62 62 50 46 43 41 45 61 67 65
Min/Max Temp 35 63 40 67
Wind Dir NW NW NW W SW SW SW W W W SW SW SW SW SW SW W
Wind (mph) 10 5 3 3 3 4 6 9 6 4 5 8 8 8 11 14 13
Wind Gust (mph) 32
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.5 9.4 9.2 9.1 8.9 8.8 9.4 10.2 10.5 10.2 10.0 9.6 9.4 9.1 10.1 10.8 11.0
Snow Density (%) 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Pioneer Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL FW FW FW FW FW FW CL CL FW FW
Cloud Cover (%) 5 10 10 10 5 5 0 5 15 20 20 15 15 0 0 5 10
Temperature 52 43 39 37 35 41 56 63 62 50 46 43 41 46 62 67 65
Min/Max Temp 35 64 40 67
Wind Dir NW NW W W W SW W W W W SW SW SW SW SW W W
Wind (mph) 11 6 5 5 5 5 8 11 8 6 8 8 9 9 13 16 16
Wind Gust (mph) 25 31 34 33
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.6 9.5 9.4 9.3 9.1 9.0 9.5 10.3 10.6 10.5 10.3 9.7 9.2 8.5 10.1 10.8 11.1
Snow Density (%) 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Beaverhead/Tendoy Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover FW FW FW FW FW CL CL CL FW FW FW FW FW CL CL CL FW
Cloud Cover (%) 5 10 10 10 10 5 5 5 10 20 20 15 15 0 0 5 10
Temperature 53 44 40 37 35 42 57 64 62 50 45 42 39 45 62 67 65
Min/Max Temp 35 64 39 67
Wind Dir NW NW NW W SW SW W W W SW SW SW SW SW SW SW W
Wind (mph) 11 5 4 4 4 5 6 11 6 5 6 8 8 9 12 17 18
Wind Gust (mph) 34 36
Precip Prob (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.8 9.8 9.7 9.6 9.3 9.2 9.7 10.4 10.8 10.8 10.4 9.8 9.4 8.6 10.1 10.9 11.2
Snow Density (%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
...Absoraka-Beartooth/Cooke City Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover BK FW FW FW FW CL CL FW FW FW FW FW SC CL CL FW FW
Cloud Cover (%) 55 15 20 15 15 5 0 10 10 10 10 25 25 0 0 5 5
Temperature 48 39 36 33 32 39 53 59 57 44 40 38 37 43 57 62 59
Min/Max Temp 31 59 36 62
Wind Dir W W W W SW SW W W W SW S S S SW SW SW SW
Wind (mph) 17 6 4 4 5 8 12 14 12 10 10 10 11 11 14 19 19
Wind Gust (mph) 27 31 32 32 34 37 37
Precip Prob (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.7 9.4 9.2 9.0 8.8 9.0 10.0 10.6 10.9 10.8 10.5 10.0 9.6 9.3 10.1 10.7 10.8
Snow Density (%) 50 50 50 50 100 50 100 0 0 0 0 0 0 0 0 0 0
...Absoraka Mountains Above 6000ft Northeast Facing...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW FW FW FW CL CL FW FW FW FW SC SC FW CL CL FW
Cloud Cover (%) 45 15 10 10 10 5 5 10 10 15 15 25 30 5 5 5 5
Temperature 51 43 40 39 38 44 56 61 60 49 47 46 46 50 62 67 64
Min/Max Temp 37 62 44 67
Wind Dir W W W W SW SW W W W SW SW SW SW SW SW W W
Wind (mph) 16 11 9 10 11 12 12 13 11 16 18 21 23 23 17 18 18
Wind Gust (mph) 39 28 29 35 33 34 32 36 47 52 57 57 40 41 44
Precip Prob (%) 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.01 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.6 9.4 9.2 9.1 9.0 9.1 9.8 10.5 10.7 10.6 10.4 10.3 10.0 9.7 10.3 10.8 10.9
Snow Density (%) 50 50 100 100 100 100 100 0 0 0 0 0 0 0 0 0 0
...Absoraka Mountains Above 6000ft West Facing...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW FW FW FW CL CL FW FW FW FW FW FW CL CL CL FW
Cloud Cover (%) 30 10 10 15 10 5 5 10 10 15 20 25 25 0 0 5 5
Temperature 53 44 40 37 36 42 57 63 62 49 45 42 40 46 61 66 64
Min/Max Temp 35 64 39 66
Wind Dir W W W SW SW SW W W W SW S S S SW SW SW SW
Wind (mph) 13 5 4 4 5 6 10 13 10 10 10 10 11 11 13 17 17
Wind Gust (mph) 40 26 21 23 31 32 36 33 32 40 47 52 54 41 44 44
Precip Prob (%) 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.6 9.4 9.3 9.1 9.0 9.2 9.9 10.5 10.8 10.7 10.5 10.3 10.0 9.4 10.0 10.7 10.9
Snow Density (%) 100 100 100 100 100 100 0 0 0 0 0 0 0 0 0 0 0
...Crazy Mountains...
Date Wednesday 09/09/26 Thursday 09/10/26
Time (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
6p 9p 12 3a 6a 9a 12 3p 6p 9p 12 3a 6a 9a 12 3p 6p
Cloud Cover SC FW FW FW FW CL CL CL FW FW SC SC SC FW CL CL FW
Cloud Cover (%) 35 20 10 15 10 5 5 5 15 25 30 45 40 10 0 0 5
Temperature 52 45 43 41 40 45 56 62 62 52 50 49 48 52 65 69 68
Min/Max Temp 39 63 47 69
Wind Dir W NW W W W W W W W W W W W SW W W W
Wind (mph) 24 14 12 12 12 13 19 20 16 12 16 19 20 19 21 23 23
Wind Gust (mph) 47 33 33 43 43 41 37 47 49 44 48 46 47
Precip Prob (%) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Precip Type
6 Hour QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
12 Hour QPF 0.00 0.00 0.00 0.00
Low End QPF 0.00 0.00 0.00 0.00
High End QPF 0.00 0.00 0.00 0.00
6 Hour Snow 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 Hour Snow 0.0 0.0 0.0 0.0
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) 9.2 9.2 9.1 8.9 8.8 8.8 9.1 9.7 10.3 10.2 9.8 9.8 9.8 9.7 9.8 10.4 10.8
Snow Density (%) 100 100 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0
$$
--- Precip Type Codes ---
CODE TYPE
T Thunderstorms
R Rain
S Snow
I Sleet
Z Freezing Rain